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Specifications
Power Protection Device uses microcontroller and digital processing technology; it integrates voltage display,Main Function
1. Voltage display: display the current power supply voltage valu
2. High /low voltage protection: cut off the power supply when the value of the voltage beyond the setting value.
3. Loss phase protection: cut off the power supply when three-phase source phase loss occurs.
4. Phase sequence protection: cut off the power supply when three-phase source phase sequence errors occur.
5. Calculagraph and count: record the counts of equipment start and accumulative the running time.
6. Faulty record: record the fault time and accumulative time.
Main Technique Index
1. Power supply voltage: three-phase 280V~450V AC
2. Voltage measuring precision: ±1%
3. Output contact capability: 2A/250V AC
4. Operating environment: Temperature -20°C~ +70°C,Humidity£ 85%, no moist
5. Frequency: 50/60Hz
6. Weight: 85 gram
7. Overall dimensions: (length×width× high): 48*48*90mm
8. Data keeping time: 10 years
9. Max count capability: 999999
10. Max calculagraph capability: 9999 hours and 59 minutes
11. Max count speed: 5 times per second
12. Accumulative calculagraph error: ≤0.01%
13. Input signal: AC/DC 80V~450V voltage signal
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