121W 55.2VDC Security or Fire Alarm Power Supply with Battery Charger and UPS Function
121W 55.2VDC Security or Fire Alarm Power Supply with Battery Charger and UPS Function, 121W 55.2VDC Security or Fire Alarm Power Supply with Battery Charger and UPS Function Channel 1: 55.2 VDC @ 1.21 A Channel 2: 55.2 VDC @ 1 A (Battery Charger) Find out more about MEAN WELL Security Power Solutions.Features Built-in battery charger and UPS function TTL signals for status detection: AC OK, Battery disconnect, Battery reverse polarity, Battery low, Battery full and Discharge Built-in AC and battery circuit ON/OFF switches enhance safety during maintenance Forced UPS mode for battery maintenance Protections: Short circuit, overload, over voltage, over temperature, battery low voltage, battery reverse polarity (no damage) -20 to +60C wide operating temperature range Output voltage adjustable (-20% to +5% for CH1 by VR Suitable for lead acid and lithium-ion batteries Design refer to GB17945 system requirement 1U low profile (30mm) 3-year warranty Specifications Output Voltage: 55.2 VDC Current Range (CH1): 0 to 2.21 A Rated Power: 121.99 W Input Voltage: 90 to 264 VAC Applications Fire emergency and evacuation systems Public safety battery back-up Security system Uninterruptible DC-UPS system Central monitoring system Industrial automation