- Rated supply voltage
- AC220V. AC230. AC240V. AC380V. AC400V. AC415V
- Rated supply frequency
- Over- voltage threshold range
- Under -voltage threshold range
- Unbalance threshold range
- 5%~ 15%
- Action delay range
- Phase failure and phase sequence
- Voltage measurement error
- Rated insulation voltage
- Contact configuration capacity(A)
Used in air conditioning units, elevator machine room, pumps, fans and other motor control applications, as protection of over-voltage, under voltage, phase failure, phase sequence and phase unbalance. When the power supply is abnormal, turn off power supply to protect the equipment.
Built-in microprocessor, true RMS measurement, measurement accuracy ≤1%.50/60Hz universal, knob setting, LED indicator shows working status. With N-phase phase failure protection, DIN rail mounting.