Switching Mode Power Supply (SKS-350)

switching power supply Features: ·Universal AC input / Full range ·Protections: Short circuit / Over load / Over voltage ·PWM control and regulated ·Forced air cooling by built-in DC fan ·Built-in cooling fan ON-OFF control ·Fixed switching frequency at 25KHz ·1 year warranty ·Dimension: 215*115*50mm (L*W*H) Specification: 1) INPUT ·Voltage Range: 90-132VAC / 180-264VAC selected by switch, 254-370VDC; 47-63Hz ·AC Current: 6.5A/115VAC 4A/230VAC ·Inrush Current: Cold start 50A/115V 50A/230V ·Leakage Current: <3.5mA/240VAC 2) PROTECTION ·Over Load: 105%-135%; Fold back current limiting, recovers automatically after fault condition is removed. ·Over Voltage: 115%-135%; Hiccup mode, recovers automatically after fault condition is removed. ·Fan ON-OFF Control: RT3≥55ºC FAN ON, ≤45ºC FAN OFF, ≥80ºC output shutdown (5-7.5V); RT3≥65ºC FAN ON, ≤55ºC FAN OFF, ≥80ºC output shutdown (12-15V); RT3≥70ºC FAN ON, ≤60ºC FAN OFF, ≥85ºC output shutdown (24-48V).3) ENVIRONMENT ·Working Temp. & Humidity: -10ºC +50ºC; 20% 90% RH. ·Storage Temp. & Humidity: -20ºC +85ºC; 10% 95% RH. ·Vibration: 10 500Hz, 2G 10min./1 cycle, period for 60min, each along X, Y, Z axes. 4) SAFETY STANDARDS ·Withstand Voltage; I/P-O/P: 1.5KVAC; I/P-FG: 1.5KVAC; O/P-FG: 0.5KVAC ·Isolation Resistance: I/P-O/P, I/P-FG, O/P-FG: 100MΩ/500VDC ·Safety Standards: Design refer to UL1950 ·EMC Standards: Design refer to EN55022, EN55024, EN61000 5) Type No | Output | Tol. | R&N | Effi.SKS-350-5 | 5V, 50A | 2% | 150mV | 73% SKS-350-7. 5 | 7. 5V, 40A | 2% | 150mV | 76% SKS-350-12 | 12V, 29A | 1% | 150mV | 74% SKS-350-13. 5 | 13. 5V, 25. 8A | 1% | 150mV | 79% SKS-350-15 | 15V, 23. 2A | 1%| 150mV | 78% SKS-350-24 | 24V, 14. 6A | 1% | 150mV | 81% SKS-350-27 | 27V, 13A | 1% | 200mV | 82% SKS-350-48 | 48V, 7. 3A | 1% | 240mV | 83%