NVVV Electric
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| MS-250 250W Switching Power Supply Specifications | ||||
|---|---|---|---|---|
| Output Specifications | ||||
| DC Voltage | 12V / 24V / 48V | |||
| Rated Current | 20.8A (12V) / 10.4A (24V) / 5.2A (48V) | |||
| Rated Power | 249.6W | |||
| Ripple and Noise | < 120mV (12V) / < 150mV (24V) / < 240mV (48V) | |||
| Voltage Accuracy | ±1% | |||
| Output Voltage Regulation Range | ±10% | |||
| Load Adjustment Rate | < ±0.5% | |||
| Linear Adjustment Rate | < ±0.5% | |||
| Input Specifications | ||||
| Voltage Range | 185-264VAC, 47Hz - 63Hz (or 254VDC - 370VDC) | |||
| Efficiency (Typical) | > 82% (12V) / > 84% (24V) / > 84% (48V) | |||
| Working Current | < 2.5A (at 220VAC) | |||
| Impulse Current | 36A (at 220VAC) | |||
| Start, Rise, Hold Time | 200ms, 50ms, 20ms (at 220VAC) | |||
| Protection Features | ||||
| Overload Protection | 105% - 150% rating. Output type: Constant current output + voltage reduced to undervoltage point. Automatically cuts off output. Reset by cycling input power. | |||
| Short Circuit Protection | Voltage drops to undervoltage point to close the output. | |||
| Environmental Standards | ||||
| Working Temp & Humidity | -10℃ to +50℃, 20% to 90% RH | |||
| Storage Temp & Humidity | -20℃ to +85℃, 10% to 95% RH | |||
| Safety & Regulations | ||||
| Withstand Voltage | Input-Output: 1.5kVac / Input-Shell: 1.5kVac / Output-Shell: 0.5kVac for 1 minute | |||
| Leakage Current | Input-Output: < 5mA (at 1.5KVAC) / < 1mA (at 220VAC) | |||
| Isolation Resistance | Input-Output, Input-Housing, Output-Housing: 500VDC / 100MΩ | |||
