BERM Switching Power Supply with LED Indicator Transformer Driver Supplies 47 ~63HzLRS-350-12 Item Type: BERM Switching Power SupplyMaterial: Aluminum, PCB Purpose: Power supply function Output Value:  Model LRS-350-12 LRS-350-24 DC Voltage 12V 24V Rated Current 29A 14.6A Current Range 0~29A 0~14.6A Rated Power 350W  350W Ripple and Noise (maximum) 120mVp-p 150mVp-p Voltage Adjustment Range 10.2 ~ 13.8V 21.6 ~28.8V Withstand Voltage ±1.0% ±1.0% Line Adjustment ±0.5% ±0.5% Load Regulation ±0.5% ±0.5% Setting, Rise Time 1300ms, 50ms/ 230VAC 1300ms, 50ms/ 115VAC (full load) Holding Time (typical Value) 16ms/ 230VAC 12ms/ 115VAC (full load) Input Value:  Model LRS-350-12 LRS-350-24 Voltage Range 90~132VAC/ 180~264VDC (adjusted by switch) 240 ~ 370VDC (connected to 230VAC) Frequency Range 47 ~63Hz Efficiency (typical value) 85% 88% AC Current (typical value) 6.8A/ 115VAC 3.4A/ 230VAC Inrush Current (typical value) 60A / 115VAC 60A / 230VAC Leakage Current <2mA 240VAC Protection:  Overload: 110~140％ of rated output power; protection type: Hiccup mode, automatic recovery after the fault condition is eliminated Surroundings:  Working Temperature: -20~+70℃ Working Humidity: 20~90%RH non-condensing Storage Temperature and Humidity: -40~+85℃, 10~95%RH Temperature Coefficient: ±0.03% ℃ (0 ~ 50℃) Vibration: 10 ~ 500Hz, 5G 10 minutes/1 cycle, 60 minutes each along the X, Y, and Z axes. Safety and EMC:  Safety Standard: EN60950-1, approved. Withstand Voltage: I/P-0/P: 1.5KVAC I/P-FG: 1.5KVAC 0/P-FG: 0.5KVAC Isolation Resistance: I/P-O/P, I/P-FG, 0/P-FG: 100M Ohms / 500VDC/25℃/ 70% RH