The GRV8-UV series covers single phase and three phase voltage protection relays for under-voltage and under/over-voltage supervision. It is intended for control panels, distribution circuits, and equipment protection where voltage loss or abnormal voltage levels must be detected quickly.
| Model | Function |
|---|---|
| GRV8-1UVR | Single phase under-voltage relay |
| GRV8-1UVS | Single phase under-voltage relay |
| GRV8-4UVR | Three phase under-voltage relay |
| GRV8-4UVS | Three phase under/over-voltage relay |