HPSG2-12V20A-E PULSAR BUFFERED SWITCHED POWER SUPPLY. The buffer power supply is designed to power alarm control panels, sensors, code locks, cameras, keypads, intercoms and other devices included in the alarm system.; The buffer power supply has been designed in accordance with the requirements of the EN50131-6:2017 standard (Intruder and Panic Alarm Systems) and the EN60839-11:2013 standard (Access Control) grade 1, 2 and environmental class II. The buffer power supply is designed to uninterrupted power supply to devices requiring a voltage of 12V DC (+/- 15%).; Pay particular attention to proper cooling of the power supply during operation!; Protections . Short circuit protection; Overload protection; Overvoltage protection; Surge protection; Anti-sabotage protection - opening of the housing; Deep battery discharge protection; Battery output protection against short circuit and reverse connection; Power supply operation control: . EPS FLT output - indicating AC power failure; APS FLT output - No battery or battery failure; AC mains power presence indication; DC output voltage presence indication; Battery failure indication; Dynamic battery test; Battery circuit continuity control; Battery voltage control; Battery charging and maintenance control.; Selected features: . 89% efficiency; START function to manually switch on battery power; Fan for forced cooling; Complied with standards: . EN 50131-6:2017, 1 2, Grade 2; EN 60839-11:2013, 1 2, Grade 2; PN-83/T-42106; CE-LVD: EN62368-1; Ingress protection class: IP20; SPECIFICATION . Power supply type: Switched; Input voltage: 200 V.. 240 V AC; Output voltage: 11.0 V.. 13.8 V (buffer operation); 10.0 V.. 13.8 V (battery operation); Current capacity (total): 20 A; Battery charging current: 2 A / 4 A / 8 A; Power: 276 W; Number of outputs: 3; Space for battery: 12V/7Ah, 12V/17Ah, 12V/28Ah, 12V/44Ah, 12V/65Ah; Max. battery dimensions: 450 x 190 x 168 mm; Operating temperature / relative humidity: -10.. 40 °C / 20.. 90 %; Weight: 6.85 kg; Dimensions: 465 x 395 x 173 mm; Manufacturer / Brand: PULSAR; Warranty: 2 years; .