Guangzhou Kaihui Electronics Co., Ltd. is one of the leading manufacturers and suppliers of smart charger power supply 28v 400w in China. With abundant experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for customized service.
| Parameter | |||||
| Model | K18-UP400S28 V3 | ||||
| Output | Output Voltage | 28VDC | |||
Rated Current | 14.3A | ||||
Current Range | 0-14.3A | ||||
Rated Power | 400.4W | ||||
Ripple & Noise | 300mVp-p | ||||
| Output Accuracy | ±1% | ||||
Line Regulation | ±0.5% | ||||
Load Regulation | ±0.5% | ||||
Set up,Rise,Keep up time | 500ms,50ms,20ms | ||||
| Input | Input Voltage Range | 85V-264V AC | |||
Input Current | 2.2A@220VAC | ||||
Input Frequency | 50~60Hz | ||||
Efficiency | 91%@230VAC | ||||
| Power Factor | >0.99@110VAC; >0.95@220VAC | ||||
Inrush Current | Cold start 15A/115V,30A/230V | ||||
Leakage Current | <0.5mA@240VAC | ||||
| Protection | Over Load Protection | 110-200%,Hiccup protection,automatic recovery. | |||
Short Circuit Protection | automatic recovery | ||||
| Output over-voltage protection | 30-33VDC | ||||
Over-temperature protection | >105 degree,shut up,then automatic recovery. | ||||
Environment | Working Temp.,Humidity | -20~+60℃@100% LOAD,10~90% RH,No condensation | |||
Storage Temp.,Humidity | -20~85℃,10~95% RH | ||||
Temperature.,Drift | ±0.03%/℃(0~50℃) | ||||
Vibration | 10~500Hz, 2G 10min./1cycle, PERIOD FOR 60min. EACH AXES | ||||
Safety&EMC Standards | Safety Standards | GB4946,IEC62368 | |||
Withstand Voltage | I/P-O/P:3KAC;I/P-FG:1.5KVAC; O/P-FG:500VAC | ||||
Insulation Resistance | I/P-O/P, I/P-FG, O/P-FG:500VDC / 100M Ohms | ||||
EMC Standards | EN55032 CLASSB,EN6100-3-2 | ||||
| Others | Dimension | 127*82*40mm | |||

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