3-phase   voltage   relay
       Monitors overvoltages and undervoltages for 3-phase 3-wire or 4-wire power supplies, in one unit. Switch setting for 3-phase 3-wire or 3-phase 4-wire power supply.

- Overvoltages or undervoltages: operation time setting from 0.1 to 30s.
- Relay warning status can easily be monitored using the LED indicator.
- Separate outputs possible for overvoltages and undervoltages.
- Reset method: automatic.
- Power ON lock: 1s or 5s.