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Features:
1. Overvoltage protection
2. Under voltage protection
3. Voltage display (voltage measurement ABC Separate Phase Voltage)
4. Three-phase voltage unbalance protection
5. Phase sequence protection (reverse phase protection)
6. Zero break protection
7. Phase failure protection
8. Overvoltage protection value is adjustable
9. Overvoltage recovery value is adjustable
10. Overvoltage protection action time is adjustable
11. Undervoltage protection value is adjustable
12. Undervoltage recovery value is adjustable
13. Undervoltage protection action time is adjustable
14. Three-phase voltage unbalance protection value is adjustable
15. Three-phase voltage unbalance protection action time is adjustable
16. The power-on delay time is adjustable
17. Fault recovery delay time is adjustable
18. Reset mode selection
19. Troubleshooting
20. Restore factory settings
Parameter:
1. Rated voltage: three-phase four-wire 230V/400VAC 50/60Hz
2. Rated current: 50A, 63A, 80A
3. Overvoltage protection value range: 221V-300V-OFF (default value 280V)
4. Overvoltage recovery value range: 220V-299V (default value 250V)
5. Overvoltage protection action time is adjustable: 0.1 seconds-10 seconds (default value 0.2 seconds)
6. Undervoltage protection value range: 219V-150V-OFF (default value 160V)
7. Undervoltage recovery value range: 220V-151V (default value 180V)
8. Undervoltage protection action time is adjustable: 0.1 seconds-10 seconds (default value 0.2 seconds)
9. Three-phase voltage unbalance protection value range: 10%-50%-OFF
10. Phase voltage unbalance protection action time: 0.1 seconds-10 seconds (default value 1.0 seconds)
11. Power-on delay connection time: 2-255 seconds (default value 2 seconds)
12. Failure recovery delay time: 2-512 seconds (default value 60 seconds)
13. Display mode: LCD
14. Fault indication: segment code characters
15. Sampling method: phase line to neutral line resistance divided voltage AC sampling
16. Grounding system: TT, TN-S, TN-C-S
17. Installation method: guide rail installation
18. Electrical isolation strength: greater than 2000VAC, pulse 2.5KV 1.2/50μS
19. Working environment: temperature -20-50 degrees Celsius, humidity less than 85% altitude: no more than 2000m
Specification:
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