3-phase   voltage,   phase-sequence,   phase-loss   relay
       K8AB-PM monitors overvoltages, undervoltages, phase sequence and phase loss for 3-phase, 3-wire or 4-wire power supplies, in one unit. This relay features a switch setting for 3-phase, 3-wire or 3-phase, 4-wire power supply.

- Worldwide power specifications supported by one unit.
- Phase sequence, phase loss: operation reaction time 0.1s maximum.
- Overvoltages or undervoltages: operation time setting from 0.1 to 30s.
- Relay warning status can easily be monitored using the LED indicator.
- Easy wiring with ferrules.