{"title":"Steca","description":"\u003ch2\u003eWhat is the Steca collection?\u003c\/h2\u003e\n\u003cp\u003eThe Steca collection brings together solar charge controllers from the \u003cstrong\u003eSolarix PRS\u003c\/strong\u003e and \u003cstrong\u003ePR with display\u003c\/strong\u003e families, designed for off-grid 12\/24 V systems. These are \u003cstrong\u003ePWM\u003c\/strong\u003e controllers of 10, 15, 20, and 30 A that prioritize reliability, ease of use, and battery care, with electrical protections and charging algorithms suitable for lead-acid and sealed batteries (check lithium battery compatibility via external BMS).\u003c\/p\u003e\n\n\u003ch3\u003eAdvantages and limitations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple and very robust PWM architecture: excellent \u003cem\u003ecost\/performance\u003c\/em\u003e ratio for small PV systems.\u003c\/li\u003e\n  \u003cli\u003eAutomatic 12\/24 V detection and protections against reverse polarity, short circuit, and overload.\u003c\/li\u003e\n  \u003cli\u003ePR versions with \u003cstrong\u003edisplay\u003c\/strong\u003e to view voltages, currents, and charge status.\u003c\/li\u003e\n  \u003cli\u003eLarge terminals and passive cooling for demanding environments.\u003c\/li\u003e\n  \u003cli\u003eLimitations: for large strings or high PV voltage, an \u003ca href=\"\/en\/collections\/reguladores-solares-mppt\"\u003eMPPT\u003c\/a\u003e offers higher performance and flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrical autonomy in \u003cstrong\u003ecaravans, marine, and shelters\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eTelemetry, irrigation huts, and autonomous lighting.\u003c\/li\u003e\n  \u003cli\u003eCompact solar kits with one or several panels in parallel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to choose your Steca\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent (A)\u003c\/strong\u003e: sum the short-circuit current (Isc) of the panels, apply a safety factor (≈1.25), and choose 10\/15\/20\/30 A according to the result.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem voltage\u003c\/strong\u003e: 12\/24 V according to battery and inverter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWith\/without display\u003c\/strong\u003e: \u003cem\u003ePR\u003c\/em\u003e series for local reading and basic settings; \u003cem\u003ePRS\u003c\/em\u003e for maximum savings and simplicity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable section\u003c\/strong\u003e and distance: size to minimize voltage drop between panel–controller–battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndicative specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e12\/24 V (automatic detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge current\u003c\/td\u003e\n\u003ctd\u003e10 \/ 15 \/ 20 \/ 30 A (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003ePWM with multi-stage charging\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eLEDs (PRS) \/ LCD display (PR)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOverload, short circuit, reverse polarity, low battery\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTypical use\u003c\/td\u003e\n\u003ctd\u003eOff-grid residential installations, marine, and mobility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBest practices\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall the controller \u003cstrong\u003eclose to the battery\u003c\/strong\u003e to reduce losses and improve voltage measurement.\u003c\/li\u003e\n  \u003cli\u003eRespect \u003cstrong\u003eIsc·1.25\u003c\/strong\u003e and the appropriate cable section; protect with fuses on PV and battery.\u003c\/li\u003e\n  \u003cli\u003eSet the battery type (if applicable) and check absorption\/float voltages recommended by the manufacturer.\u003c\/li\u003e\n  \u003cli\u003eAvoid connecting modules in series with PWM; operate at battery voltage (36\/72 cell modules according to 12\/24 V).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComparisons and related accessories\u003c\/h3\u003e\n\u003cp\u003eIf you need higher performance with long strings or high PV voltages, visit \u003ca href=\"\/en\/collections\/reguladores-solares-mppt\"\u003eMPPT Controllers\u003c\/a\u003e. To complete your installation, add \u003ca href=\"\/en\/collections\/accesorios-reguladores\"\u003eController Accessories\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/protecciones-electricas-cc\"\u003eDC Protections\u003c\/a\u003e, and \u003ca href=\"\/en\/collections\/cable-solar\"\u003eSolar Cable\u003c\/a\u003e. You can also see alternatives by brand such as \u003ca href=\"\/en\/collections\/victron\"\u003eVictron\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eWith the \u003cstrong\u003eSteca\u003c\/strong\u003e collection you have reliable and easy-to-install PWM controllers for compact off-grid systems, with models from 10 to 30 A and the option of a display for local control.\u003c\/p\u003e","products":[{"product_id":"regulador-pwm-steca-pr1010-12-24v-pantalla","title":"PWM Regulator Steca PR1010 12\/24V with Display","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSteca PR1010 PWM Regulator 12\/24V with Display\u003c\/strong\u003e is the entry point of the PR 10–30 series, renowned for its reliability and especially precise battery control. Its shunt topology with MOSFETs and the \u003cstrong\u003emulti-stage PWM algorithm\u003c\/strong\u003e optimize recharging and extend the service life of 12 or 24 V batteries, detected automatically. It incorporates the \u003cstrong\u003eSteca AtonIC (SOC) system\u003c\/strong\u003e, which determines the state of charge with great accuracy and displays it on a \u003cstrong\u003egraphical LCD display\u003c\/strong\u003e along with digital values for voltage, current, and energy. Additionally, it includes a \u003cstrong\u003edata logger\u003c\/strong\u003e (resettable energy counter), self-test, and a comprehensive package of electronic protections for safe operation at all times.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal current: \u003cstrong\u003e10 A\u003c\/strong\u003e for \u003cstrong\u003e12\/24 V\u003c\/strong\u003e systems (automatic detection).\u003c\/li\u003e\n  \u003cli\u003eTechnology: \u003cstrong\u003ePWM\u003c\/strong\u003e in shunt topology with MOSFETs; \u003cstrong\u003ebulk\/boost\/float\u003c\/strong\u003e charging and \u003cstrong\u003emonthly equalization\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraphical LCD display\u003c\/strong\u003e with \u003cstrong\u003eSteca AtonIC SOC\u003c\/strong\u003e indicator, V\/A\/Wh readings, and button-operated menus.\u003c\/li\u003e\n  \u003cli\u003e\nIntegrated \u003cstrong\u003edata logger\u003c\/strong\u003e (resettable accumulated energy) and \u003cstrong\u003eself-test\u003c\/strong\u003e with fault messages.\u003c\/li\u003e\n  \u003cli\u003eProgrammable functions: evening\/night\/dawn light, load disconnection by SOC, automatic reconnection, and \u003cstrong\u003emanual load switch\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eProtections: overload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, night return, and electronic fuse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects the battery\u003c\/strong\u003e with precise voltages, thermal compensation, and monthly equalization that reduces sulfation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal control\u003c\/strong\u003e from the LCD: real state of charge, energy, alarms, and simple programming via buttons.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior safety\u003c\/strong\u003e: multiple electronic protections and automatic load disconnection\/reconnection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eError-free installation\u003c\/strong\u003e thanks to 12\/24 V detection and large terminals for robust wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow self-consumption\u003c\/strong\u003e and IP31 design, ideal for autonomous equipment requiring high efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003ePerfect for small off-grid solar systems: LED lighting, telecommunications, signaling, cabins, boats, and motorhomes. Its display facilitates maintenance and diagnostics in installations where the user needs to see the system status at a glance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12\/24 V (automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge\/Load current\u003c\/td\u003e\n\u003ctd\u003e10 A \/ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ Boost \/ Equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDisconnection by SOC (LVD)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30% SOC (≈11.1 V; 22.2 V at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReconnection (LVR)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50% SOC (≈12.6 V; 25.2 V at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e≈12.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTemperature compensation\u003c\/td\u003e\n\u003ctd\u003eYes (internal sensor; external optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eTerminals 16 mm² (stranded) \/ 25 mm² (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eGrounding\u003c\/td\u003e\n\u003ctd\u003eNegative of one terminal or positive of several, possible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDegree of protection\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×44 mm \/ ≈350 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e−10 °C…+50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS; manufactured in the EU under ISO 9001\/14001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: \u003cstrong\u003eSteca PA TS10 external temperature sensor\u003c\/strong\u003e; optional \u003cem\u003ealarm contact\u003c\/em\u003e. Important: inverters must not be connected to the “Load” output; power them directly from the battery with appropriate protections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSteca PR1010 PWM Regulator 12\/24V with Display\u003c\/strong\u003e is the compact and visual solution to protect your batteries and maximize the energy from your solar panels.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503383609685,"sku":"STECREG005","price":77.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PR-1.png?v=1762631193"},{"product_id":"regulador-pwm-steca-pr1515-12-24v-pantalla","title":"PWM Regulator Steca PR1515 12\/24V with Display","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSteca PR1515 12\/24V PWM Controller with Display\u003c\/strong\u003e is designed for off-grid installations that require higher charging current without sacrificing detailed visual control. It uses shunt topology with MOSFETs and \u003cstrong\u003emulti-stage PWM\u003c\/strong\u003e (bulk, boost, float, and monthly equalization), with \u003cstrong\u003eSteca AtonIC SOC determination\u003c\/strong\u003e for precise battery management. Its \u003cstrong\u003egraphical LCD display\u003c\/strong\u003e shows symbols and numerical values for voltage, current, and energy; the integrated \u003cstrong\u003eenergy logger\u003c\/strong\u003e allows performance analysis and can be reset by the user. Button programming, dusk\/dawn functions, and automatic load disconnection\/reconnection simplify daily operation.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal current: \u003cstrong\u003e15 A\u003c\/strong\u003e in \u003cstrong\u003e12\/24 V\u003c\/strong\u003e systems with automatic detection.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePWM\u003c\/strong\u003e algorithm with temperature compensation and \u003cstrong\u003emonthly equalization\u003c\/strong\u003e for maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraphical LCD\u003c\/strong\u003e with AtonIC SOC, digital reading of V\/A\/Wh, self-diagnostic messages, and guided menu.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData logger\u003c\/strong\u003e (resettable accumulated energy), manual load switch, and late\/night\/dawn modes.\u003c\/li\u003e\n  \u003cli\u003eComprehensive electronic protections and automatic fuse: overload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, and night return.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMore usable power\u003c\/strong\u003e (15 A) for systems with more panels or higher consumption without increased complexity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProlonged battery life\u003c\/strong\u003e thanks to precise voltages, thermal compensation, and controlled equalization strategy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear monitoring\u003c\/strong\u003e on the device itself: actual charge status, daily energy, and alarms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick installation\u003c\/strong\u003e: 12\/24 V detection, generous terminals, and intuitive LCD menus.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven reliability\u003c\/strong\u003e with automatic load reconnection and factory protection package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eRecommended for off-grid homes, telecom, video surveillance, outdoor lighting, caravans, and boats with medium consumption. Ideal when detailed local control and energy logging are required without adding external devices.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12\/24 V (auto)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge\/Load current\u003c\/td\u003e\n\u003ctd\u003e15 A \/ 15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ Boost \/ Equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDisconnection by SOC (LVD)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30% SOC (≈11.1 V; 22.2 V at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReconnection (LVR)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50% SOC (≈12.6 V; 25.2 V at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e≈12.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDisplay \/ operation\u003c\/td\u003e\n\u003ctd\u003eGraphical LCD; buttons; manual load switch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003eLate\/night\/dawn modes; self-diagnosis; energy counter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eTerminals 16 mm² (stranded) \/ 25 mm² (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eGrounding\u003c\/td\u003e\n\u003ctd\u003eNegative of one terminal or positive of several, possible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDegree of protection\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×44 mm \/ ≈350 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e−10 °C…+50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS; manufactured in the EU under ISO 9001\/14001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: \u003cstrong\u003eSteca PA TS10 external temperature sensor\u003c\/strong\u003e; optional alarm contact. Note: do not connect inverters to the “Load” output; they must be connected directly to the battery with appropriate protections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSteca PR1515 12\/24V PWM Controller with Display\u003c\/strong\u003e combines capacity, visual control, and safety to enhance the performance of your off-grid photovoltaic system.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503383707989,"sku":"STECREG006","price":89.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PR-1_2b694ba3-7cf1-4224-93c0-68854848f759.png?v=1762631198"},{"product_id":"regulador-pwm-steca-pr2020-12-24v-pantalla","title":"PWM Controller Steca PR2020 12\/24V with Display","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSteca PR2020 12\/24V PWM Controller with Display\u003c\/strong\u003e is designed for off-grid solar installations that require higher charging current without losing visual control and precision over the battery status. It belongs to the renowned Steca PR 10–30 series and combines a shunt topology with MOSFETs and a \u003cstrong\u003emulti-stage PWM charging algorithm\u003c\/strong\u003e (bulk, boost, float, and monthly equalization) that minimizes sulfation and extends the service life of 12 or 24 V batteries. The \u003cstrong\u003eSteca AtonIC\u003c\/strong\u003e system calculates the SOC (State of Charge) with great accuracy and displays it on a \u003cstrong\u003egraphical LCD display\u003c\/strong\u003e along with voltage, current, and accumulated energy. Its internal energy logger (resettable data logger), self-diagnosis with fault messages, and automatic load disconnection\/reconnection facilitate daily operation and incident resolution.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal working current: \u003cstrong\u003e20 A\u003c\/strong\u003e for \u003cstrong\u003e12\/24 V\u003c\/strong\u003e with automatic detection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-stage PWM\u003c\/strong\u003e with temperature compensation and \u003cstrong\u003emonthly equalization\u003c\/strong\u003e for preventive maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraphical LCD display\u003c\/strong\u003e with Steca AtonIC SOC, digital measurement of V\/A\/Wh, and button-operated menus.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated data logger\u003c\/strong\u003e, self-check, and alarm messages on screen.\u003c\/li\u003e\n  \u003cli\u003eComprehensive electronic protections and automatic fuse; intelligent load reconnection.\u003c\/li\u003e\n  \u003cli\u003eRobust IP31 construction, very low self-consumption, and easy installation with generous terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigher capacity\u003c\/strong\u003e (20 A) for PV arrays and higher loads without increasing system complexity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery care\u003c\/strong\u003e thanks to precise charging voltages and controlled equalization that reduces aging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstant visualization\u003c\/strong\u003e of system status: actual SOC, energy produced, and clear alarms on the LCD.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliability and safety\u003c\/strong\u003e with low voltage disconnection, protected reverse polarity, and blocked night return.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple operation\u003c\/strong\u003e with automatic 12\/24 V detection, intuitive buttons, and minimal maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eIdeal for small\/medium off-grid homes, outdoor lighting, cabins, telecommunications, surveillance cameras, caravans, and boats. Its display and energy logging make it the preferred option when \u003cem\u003evisual control\u003c\/em\u003e and reliable data are required without additional equipment.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12\/24 V (automatic detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharging current \/ load current\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e20 A\u003c\/strong\u003e \/ 20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003ePWM in shunt topology (MOSFETs); bulk\/boost\/float and monthly equalization\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ Boost \/ Equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLVD \/ LVR (approx.)\u003c\/td\u003e\n\u003ctd\u003e≈11.1 V \/ ≈12.6 V (×2 at 24 V) by SOC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e≈12.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eGraphical LCD with Steca AtonIC SOC and navigation keys\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOverload, deep discharge, reverse polarity, short circuit, over\/under voltage, overtemperature, night return\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e−10 °C…+50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eTerminals up to 16 mm² (stranded) \/ 25 mm² (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187 × 96 × 44 mm \/ ≈ 350 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS; EU manufacturing under ISO 9001\/14001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: \u003cstrong\u003eSteca PA TS10 external temperature sensor\u003c\/strong\u003e and optional alarm contact. Important: do not connect inverters to the “Load” output; they must be powered from the battery with appropriate protections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSteca PR2020 12\/24V PWM Controller with Display\u003c\/strong\u003e offers power, safety, and top-level visual control to maximize the performance of your off-grid photovoltaic installation.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503383839061,"sku":"STECREG007","price":93.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PR-1_73d7355c-8305-4bf9-a327-a0428fda74b4.png?v=1762631199"},{"product_id":"regulador-pwm-steca-pr3030-12-24v-pantalla","title":"PWM Regulator Steca PR3030 12\/24V with Display","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSteca PR3030 12\/24V PWM Controller with Display\u003c\/strong\u003e is the highest current model in the PR series, designed for demanding off-grid installations that require 30 A with advanced local control. It maintains the Steca philosophy: precise battery management through \u003cstrong\u003emulti-stage PWM\u003c\/strong\u003e with \u003cstrong\u003emonthly equalization\u003c\/strong\u003e, temperature compensation, and shunt topology with MOSFETs. The \u003cstrong\u003egraphical LCD display\u003c\/strong\u003e shows the \u003cstrong\u003eSteca AtonIC SOC\u003c\/strong\u003e, real-time voltage\/current values, and accumulated energy thanks to the integrated \u003cstrong\u003edata logger\u003c\/strong\u003e. Its package of electronic protections and automatic fuse provide safety against abnormal situations, while 12\/24 V detection and automatic reconnection simplify daily use.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal current: \u003cstrong\u003e30 A\u003c\/strong\u003e at \u003cstrong\u003e12\/24 V\u003c\/strong\u003e (automatic detection).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePWM charging algorithm\u003c\/strong\u003e with boost, float, and \u003cstrong\u003emonthly equalization\u003c\/strong\u003e; temperature compensation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraphical LCD\u003c\/strong\u003e with AtonIC SOC, digital reading of V\/A\/Wh, and button-operated menus.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResettable energy log\u003c\/strong\u003e and \u003cstrong\u003eself-diagnosis\u003c\/strong\u003e with clear fault messages.\u003c\/li\u003e\n  \u003cli\u003eFunctions: dusk\/night\/dawn modes, manual load switch, automatic disconnection\/reconnection by SOC.\u003c\/li\u003e\n  \u003cli\u003eTotal protections: overload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, and night return.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMore usable power\u003c\/strong\u003e for PV arrays and higher consumption, ideal for off-grid homes and small businesses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized battery health\u003c\/strong\u003e with precise voltages and an equalization routine that minimizes sulfation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocal visualization and logging\u003c\/strong\u003e of parameters and energy without additional equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService continuity\u003c\/strong\u003e with automatic reconnection and comprehensive protection against electrical events.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional installation\u003c\/strong\u003e thanks to large-section terminals and intuitive LCD menus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eRecommended for off-grid homes with medium-high consumption, outdoor lighting, site cabins, telecommunications, video surveillance, caravans, and boats with multiple DC circuits. An excellent option when 30 A with visual control and long-term reliability are required.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12 V \/ 24 V (automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge \/ load current\u003c\/td\u003e\n\u003ctd\u003e30 A \/ 30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharging technology\u003c\/td\u003e\n\u003ctd\u003eMulti-stage PWM with monthly equalization\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ Boost \/ Equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLVD disconnection \/ LVR reconnection\u003c\/td\u003e\n\u003ctd\u003e≈11.1–11.6 V \/ ≈12.4–12.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTemperature compensation\u003c\/td\u003e\n\u003ctd\u003eYes (internal sensor; external optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDisplay and interface\u003c\/td\u003e\n\u003ctd\u003eGraphical LCD with AtonIC SOC; buttons; manual load switch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnergy log\u003c\/td\u003e\n\u003ctd\u003eResettable Wh counter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e≈12.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eTerminals up to 16 mm² (stranded) \/ 25 mm² (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e−10 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×44 mm \/ ≈350 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS (EU manufacturing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: \u003cstrong\u003eSteca PA TS10 external temperature sensor\u003c\/strong\u003e and optional alarm contact. Note: do not connect inverters to the “Load” output; they must be powered from the battery with appropriate protections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSteca PR3030 12\/24V PWM Controller with Display\u003c\/strong\u003e provides professional-level capacity, control, and safety for your photovoltaic installation.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503383937365,"sku":"STECREG008","price":110.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PR-1_b5ac2fbb-8701-4320-8a86-46c0be7437fb.png?v=1762631203"},{"product_id":"regulador-pwm-steca-prs1010-12-24v-10a","title":"PWM Regulator Steca Solarix PRS1010 12\/24V 10A","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePWM Controller Steca Solarix PRS1010 12\/24V 10A\u003c\/strong\u003e is a compact and robust charge controller for small solar installations at 12\/24 V. Its series PWM technology with MOSFETs optimizes recharging and extends battery life through multi-stage charging (bulk, boost, monthly equalization, and float), with temperature compensation and comprehensive electronic protection. Thanks to its automatic voltage detection, multicolor status LEDs, and ultra-low self-consumption (\u0026lt;4 mA), it offers reliable, efficient, and simple management of the photovoltaic system.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCharge and load current: \u003cstrong\u003e10 A\u003c\/strong\u003e for \u003cstrong\u003e12\/24 V\u003c\/strong\u003e systems with automatic detection.\u003c\/li\u003e\n  \u003cli\u003eTechnology: \u003cstrong\u003eMulti-stage PWM\u003c\/strong\u003e in series topology with MOSFETs, with \u003cstrong\u003emonthly equalization\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eProtections: overload, deep discharge, reverse polarity, short circuit, over\/under voltage, overtemperature, ground fault, and night return.\u003c\/li\u003e\n  \u003cli\u003eInterface: \u003cstrong\u003eMulticolor LEDs\u003c\/strong\u003e (SOC, operation, and alarms) and automatic load reconnection.\u003c\/li\u003e\n  \u003cli\u003eSelf-consumption \u0026lt;4 mA and IP31; configurable negative or positive grounding.\u003c\/li\u003e\n  \u003cli\u003eOptional functions with \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e (night lighting and advanced parameterization).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger battery life thanks to a proven, temperature-compensated charging strategy.\u003c\/li\u003e\n  \u003cli\u003eHassle-free installation: automatic 12\/24 V detection and generous terminals for secure wiring.\u003c\/li\u003e\n  \u003cli\u003eHigh reliability with electronic fuse and intelligent load reconnection.\u003c\/li\u003e\n  \u003cli\u003eClear system monitoring via visible LED indicators.\u003c\/li\u003e\n  \u003cli\u003eFlexibility for projects (night\/dusk functions and threshold adjustment via accessory).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eIdeal for small off-grid solar systems: LED lighting, telecom, cabins, boats, motorhomes, electric fences, or light pumping. Perfect as a 10 A PWM controller where simplicity, reliability, and low ownership cost are prioritized.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12 V \/ 24 V (auto)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge current \/ load current\u003c\/td\u003e\n\u003ctd\u003e10 A \/ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eMulti-stage PWM with series topology (MOSFETs)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLVR \/ LVD ranges\u003c\/td\u003e\n\u003ctd\u003e12.4–12.7 V \/ 11.2–11.6 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge voltage \/ boost \/ equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBattery voltage\u003c\/td\u003e\n\u003ctd\u003e9–17 V (17.1–34 V at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eMulticolor LEDs (SOC, operation, faults)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOverload, deep discharge, reverse polarity, short circuit, over\/under voltage, overtemperature, night return\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eUp to 16 mm² (stranded) \/ 25 mm² (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×45 mm \/ 345 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS; ISO 9001\/14001 manufacturing (EU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: Steca \u003cstrong\u003ePA RC100\u003c\/strong\u003e (remote control, night function, and parameterization). Note: do not connect inverters to the load output; power inverters directly from the battery with appropriate protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePWM Controller Steca Solarix PRS1010 12\/24V 10A\u003c\/strong\u003e provides safe and durable control to maximize the performance of your low-power solar systems.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503384035669,"sku":"STECREG001","price":53.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PRS-1.png?v=1762631204"},{"product_id":"regulador-pwm-steca-prs1515-12-24v-15a","title":"PWM Regulator Steca Solarix PRS1515 12\/24V 15A","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePWM Controller Steca Solarix PRS1515 12\/24V 15A\u003c\/strong\u003e is designed for off-grid solar installations that require higher current without sacrificing simplicity and robustness. It implements a series topology with MOSFETs and \u003cstrong\u003emulti-stage PWM control\u003c\/strong\u003e that protects and maintains the battery through boost, float, and \u003cstrong\u003emonthly equalization\u003c\/strong\u003e, with temperature compensation. Its electronics integrate an automatic fuse, multiple protections, and \u003cstrong\u003eintelligent load reconnection\u003c\/strong\u003e, while the multicolor LED display provides real-time information on operation, charge status, and alarms.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking current: \u003cstrong\u003e15 A\u003c\/strong\u003e at \u003cstrong\u003e12\/24 V\u003c\/strong\u003e with automatic recognition.\u003c\/li\u003e\n  \u003cli\u003eSeries PWM control with MOSFETs and optimized multi-stage charging.\u003c\/li\u003e\n  \u003cli\u003eComprehensive protections: overload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, and night return.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eLED\u003c\/strong\u003e indicators for operation, SOC, and faults; automatic reconnection.\u003c\/li\u003e\n  \u003cli\u003eSelf-consumption \u0026lt;4 mA; IP31; negative or positive ground connection adaptable to the system.\u003c\/li\u003e\n  \u003cli\u003eProject functions via \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e (night profile and threshold parameterization).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProtects the battery and reduces maintenance with precise, temperature-compensated charging profiles.\u003c\/li\u003e\n  \u003cli\u003eSupports higher loads (15 A) while maintaining size and ease of installation.\u003c\/li\u003e\n  \u003cli\u003eEnhanced safety with electronic fuse and low voltage disconnection with automatic re-engagement.\u003c\/li\u003e\n  \u003cli\u003eQuick system status reading without additional instruments thanks to multicolor LEDs.\u003c\/li\u003e\n  \u003cli\u003eScalable and adaptable through parameterization and optional dusk function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eSuitable for field cabins, telecom, lighting, caravans, boats, surveillance systems, and light pumping. Excellent as a 15 A PWM controller in 12\/24 V solar kits that prioritize reliability and cost-effectiveness.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12 V \/ 24 V (automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge current \/ output to load\u003c\/td\u003e\n\u003ctd\u003e15 A \/ 15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eMulti-stage PWM with series topology (MOSFETs)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLVR \/ LVD ranges\u003c\/td\u003e\n\u003ctd\u003e12.4–12.7 V \/ 11.2–11.6 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ boost \/ equalization voltage\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBattery voltage\u003c\/td\u003e\n\u003ctd\u003e9–17 V (17.1–34 V at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eMulticolor LEDs (SOC, operation, faults)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOverload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, night return\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eUp to 16 mm² (stranded) \/ 25 mm² (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×45 mm \/ 345 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS; manufactured in the EU under ISO 9001\/14001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eRecommended accessories: \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e (remote control, night function, and threshold adjustment). Important notice: do not connect inverters to the “Load” output; they must be powered from the battery with appropriate protections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePWM Controller Steca Solarix PRS1515 12\/24V 15A\u003c\/strong\u003e combines precise control, safety, and ease of use to maximize the performance of your off-grid solar system.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503384133973,"sku":"STECREG002","price":57.42,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PRS-1_c87d809a-7b60-4da0-804e-fa38ddba5ac0.png?v=1762631207"},{"product_id":"regulador-pwm-steca-prs2020-12-24v-20a","title":"PWM Regulator Steca Solarix PRS2020 12\/24V 20A","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePWM Steca Solarix PRS2020 12\/24V 20A Controller\u003c\/strong\u003e is designed for off-grid solar installations that require higher charging current while maintaining the reliability and simplicity of the PRS range. It uses PWM technology in a series topology with MOSFETs and multi-stage charging control (bulk, boost, float, and monthly equalization), achieving stable and safe recharging that extends battery life. Its automatic \u003cstrong\u003e12\/24 V\u003c\/strong\u003e detection, ultra-low self-consumption, and integrated electronic protections make this controller a robust solution for lighting, telecommunications, off-grid homes, and mobile applications.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOperating current: \u003cstrong\u003e20 A\u003c\/strong\u003e at \u003cstrong\u003e12\/24 V\u003c\/strong\u003e with automatic system detection.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMulti-stage PWM\u003c\/strong\u003e technology in series with MOSFETs and \u003cstrong\u003emonthly equalization\u003c\/strong\u003e for battery maintenance.\u003c\/li\u003e\n  \u003cli\u003eComprehensive protections: overload, deep discharge, reverse polarity, short circuit, over\/under voltage, overtemperature, reverse current at night, and electronic fuse.\u003c\/li\u003e\n  \u003cli\u003eInterface with \u003cstrong\u003emulticolor LEDs\u003c\/strong\u003e (SOC, operating status, and alarms) and automatic load reconnection.\u003c\/li\u003e\n  \u003cli\u003eVery low self-consumption (\u0026lt;4 mA), wide thermal range, and \u003cstrong\u003eIP31\u003c\/strong\u003e for demanding environments.\u003c\/li\u003e\n  \u003cli\u003eFunctions expandable via \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e (remote control, night\/dusk profile, and parameterization).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProtects batteries with optimized, temperature-compensated charging voltages, reducing sulfation and maintenance.\u003c\/li\u003e\n  \u003cli\u003eAllows for increased power compared to 10–15 A models without complicating the installation.\u003c\/li\u003e\n  \u003cli\u003eSuperior safety thanks to low voltage disconnection and integrated electronic protection.\u003c\/li\u003e\n  \u003cli\u003eClear system status reading with visible LEDs; “install and forget” operation.\u003c\/li\u003e\n  \u003cli\u003eFlexibility for projects: night automation and threshold adjustment via accessory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eIdeal for small and medium off-grid homes, cabins, signaling, surveillance cameras, caravans, boats, electric fences, and light pumping. This is the recommended 20 A PWM controller when seeking the best balance between cost, durability, and ease of use.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12 V \/ 24 V (auto)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge current \/ output to load\u003c\/td\u003e\n\u003ctd\u003e20 A \/ 20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eMulti-stage PWM in series (MOSFETs)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePermissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ boost \/ equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTypical LVD \/ LVR\u003c\/td\u003e\n\u003ctd\u003e11.2–11.6 V \/ 12.4–12.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eMulticolor LEDs (SOC, operation, alarms)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOverload, deep discharge, reverse polarity, short circuit, over\/under voltage, overtemperature, reverse current at night\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDegree of protection\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eGenerous section for safe wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×45 mm \/ approx. 345 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eCE marking, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e for night functions and advanced settings. Important: inverters must be connected directly to the battery, not to the controller’s load output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePWM Steca Solarix PRS2020 12\/24V 20A Controller\u003c\/strong\u003e combines power, protection, and simplicity to maximize the performance of your photovoltaic system.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503384232277,"sku":"STECREG003","price":63.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PRS-1_2f0b13d1-0e44-4da7-8cbd-96397a1076c7.png?v=1762631210"},{"product_id":"regulador-pwm-steca-prs3030-12-24v-30a","title":"PWM Regulator Steca Solarix PRS3030 12\/24V 30A","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePWM Controller Steca Solarix PRS3030 12\/24V 30A\u003c\/strong\u003e is the highest capacity model in the PRS family, designed for off-grid solar installations that require high currents without sacrificing the robustness and ease of use characteristic of Steca. It implements a series topology with MOSFETs and \u003cstrong\u003emulti-stage PWM charging\u003c\/strong\u003e (bulk, boost, float, and monthly equalization), optimizing battery condition and extending its service life. Its automatic \u003cstrong\u003e12\/24 V\u003c\/strong\u003e detection, internal electronic protections, and low self-consumption allow for the construction of reliable and efficient systems with minimal supervision.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal current: \u003cstrong\u003e30 A\u003c\/strong\u003e at \u003cstrong\u003e12\/24 V\u003c\/strong\u003e (auto).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMulti-stage PWM\u003c\/strong\u003e management with \u003cstrong\u003emonthly equalization\u003c\/strong\u003e and temperature compensation.\u003c\/li\u003e\n  \u003cli\u003eComprehensive electronic protections: overload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, and night return, with electronic fuse.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMulticolor LED\u003c\/strong\u003e indicators for SOC, operating status, and alarms; automatic load reconnection.\u003c\/li\u003e\n  \u003cli\u003eRobust construction: \u003cstrong\u003eIP31\u003c\/strong\u003e, wide thermal range, and large terminals for secure wiring.\u003c\/li\u003e\n  \u003cli\u003eAdvanced functions with \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e (remote control, night\/dusk mode, and threshold adjustment).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports larger PV arrays and loads, ideal for 400–800 W kits at 12 V or 800–1600 W at 24 V (indicative estimates, verify design by Voc\/Isc).\u003c\/li\u003e\n  \u003cli\u003eProtects the battery against intensive use thanks to precise charging voltages and controlled equalization.\u003c\/li\u003e\n  \u003cli\u003eMinimizes downtime with automatic reconnection and comprehensive electronic protection.\u003c\/li\u003e\n  \u003cli\u003eDirect installation and minimal maintenance: quick reading via LEDs, no display required.\u003c\/li\u003e\n  \u003cli\u003eScalability and control via RC100 accessory for projects with night-time automation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eRecommended for off-grid homes with higher consumption, outdoor lighting, construction site cabins, communication systems, video surveillance, caravans\/boats with multiple DC circuits, and small pumping systems. It is the ideal 30 A PWM controller when extra capacity is needed at a contained cost.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12 V \/ 24 V (automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharge current \/ output to load\u003c\/td\u003e\n\u003ctd\u003e30 A \/ 30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eMulti-stage PWM in series (MOSFETs)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAdmissible PV Voc\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;47 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEnd of charge \/ boost \/ equalization\u003c\/td\u003e\n\u003ctd\u003e13.9 V \/ 14.4 V \/ 14.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTypical LVD \/ LVR\u003c\/td\u003e\n\u003ctd\u003e11.2–11.6 V \/ 12.4–12.7 V (×2 at 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSelf-consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eMulticolor LEDs (SOC, operation, alarms)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOverload, deep discharge, reverse polarity, short circuit, over\/undervoltage, overtemperature, night return\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDegree of protection\u003c\/td\u003e\n\u003ctd\u003eIP31\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eGenerous section for power conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd\u003e187×96×45 mm \/ approx. 345 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eCE marking, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eAccessories: \u003cstrong\u003eSteca PA RC100\u003c\/strong\u003e (remote control and night functions). Note: connect inverters directly to the battery with appropriate protections; do not use the “Load” output for inverters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePWM Controller Steca Solarix PRS3030 12\/24V 30A\u003c\/strong\u003e delivers the capacity and safety required for demanding off-grid photovoltaic systems with outstanding value for money.\u003c\/p\u003e","brand":"Steca","offers":[{"title":"Default Title","offer_id":51503384330581,"sku":"STECREG004","price":78.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/STECA-PRS-1_a5198ff7-e0bf-424e-8e31-20971d93a697.png?v=1762631213"}],"url":"https:\/\/aurensol.net\/en\/collections\/steca.oembed","provider":"Aurensol","version":"1.0","type":"link"}