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Description
PRODUCT INFORMATION OF MEAN WELL Shenzhen Mingwei S-250-12V20A switching power supply 12V20A security monitoring 220 turn DC dc transformer
| Model number | S-250 series |
| AC input voltage range | 90-132VAC/180-264VAC, selected by switch, 47-63Hz; 254-370VDC |
| Input current | 3.6A/115V, 1.8A/230V |
| AC inrush current | Cold-start current: 25A/115V, 50A/230V |
| Leakage current | 3.5mA/240VAC max |
| Overload proctection | 105%-150% Type:Foldback current limiting Rest:auto-recovery |
| Over-voltage protection | 115%-135% Type:hiccup mode Rest:auto-recovery |
| Temperature coefficient | ±0.03%/℃ (0-50℃) |
| Setup rise hold up time | 200ms, 100ms, 20ms |
| Vibration | 10-500HZ,2G 10min/1cycle, Periodfor 60min, Each axes |
| Dielectric strength | 1.5KVac, 50/60 Hz for 1 min between input and output 1.5KVac, 50/60 Hz for 1 min between input and enclosure 0.5KVac, 50/60 Hz for 1 min between output and enclosure |
| Isolation resistance | 100MΩ min. at 500 VDC |
| Working temperature humidity | -10℃-60℃ (Refer to output characteristic figure), 20%-90%RH |
| Store temperature humidity | -20℃-85℃, 10%-95%RH |
| External dimension | 199x110x50 mm |
| Weight | 0.9kg |
| Safety standards | UL1950 |
| EMC standards | FCC part 15J condition level A |
| Note | 1. The testing condition for the above paramenter is: 230VAC input, rated load, 25℃, Humidity 70%RH. 2. Error, include the setting error, line stability and load stability. (Note:5) 3. Wave test: adopting A12 double wire for 20MHZ,and 0.1uF-47uF capacitor short-circuit for interrupting. 4. Inlet voltage stability test: when is over load,the lowest voltage of enter is representative to the highest voltage 5. Load stability test: The load is from 0% to 100%. |
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