{"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":114.8,"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","url":"https:\/\/aurensol.net\/en\/products\/regulador-pwm-steca-pr2020-12-24v-pantalla","provider":"Aurensol","version":"1.0","type":"link"}