NVVV Electric
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| MS-250 250W Switching Power Supply Specifications | ||||
|---|---|---|---|---|
| Project | Technical Index | |||
| Output | DC Voltage | 12V | 24V | 48V |
| Rated Current | 20.8A | 10.4A | 5.2A | |
| Rated Power | 249.6W | 249.6W | 249.6W | |
| Ripple and Noise | < 120mV | < 150mV | < 240mV | |
| Voltage Accuracy | ±1% | |||
| Output Voltage Regulation Range | ±10% | |||
| Load Adjustment Rate | < ±0.5% | < ±0.5% | < ±0.5% | |
| Linear Adjustment Rate | < ±0.5% | |||
| Input | Voltage Range | 185-264VAC 47Hz - 63Hz (254VDC - 370VDC) | ||
| Efficiency (Typical) | > 82% | > 84% | > 84% | |
| Working Current | < 2.5A 220VAC | |||
| Impulse Current | 220VAC 36A | |||
| Start, Rise, Hold Time | 200ms, 50ms, 20ms at 220VAC | |||
| Protection | Overload Protection | 105% - 150% type: constant current output + VO reduced to undervoltage point cut off output. Reset: power on again | ||
| Short Circuit Protection | +VO drop to undervoltage point to close output | |||
| Environment | Working Temp & Humidity | -10°C ~ +50°C; 20% ~ 90% RH | ||
| Storage Temp & Humidity | -20°C ~ +85°C; 10% ~ 95% RH | |||
| Safety | Withstand Voltage | Input-Output: 1.5kVac; Input-Shell: 1.5kVac; Output-Shell: 0.5kVac for 1 minute | ||
| Leakage Current (1.5kVac) | Input-Output 1.5KVAC at < 5mA | |||
| Leakage Current (220vAc) | Input-Output 220VAC at < 1mA | |||
| Isolation Resistance | Input-Output, Input-Housing, Output-Housing: 500VDC / 100MΩ | |||
