The CM-PFS is a three-phase monitoring relay that is used to monitor three phase mains for incorrect phase sequence and phase failure.
All devices are available with two different terminal versions. You can choose between the proven screw connection technology (double-chamber cage connection terminals) and the completely tool free Easy Connect Technology (Push in terminals).
- Monitoring of three phase mains for phase sequence and failure
- Powered by the measuring circuit
- Closed-circuit principle
- Screw connection technology or Easy Connect Technology available
- Housing material for highest fire protection classification UL 94V-0
- Tool free mounting on DIN rail as well as demounting
- 2 c/o (SPDT) contacts
- 22.5mm (0.89 in) width
- 2 LEDs for the indication of operational states
| Type |
Three-phase monitoring relay |
| Dimensions |
22.5 x 78 x 100mm |
| Operating Voltage (AC) |
200 to 500V |
| Temperature Range |
-20 to +60°C |