Crouzet MW/H Phase Monitoring Relays IP20/IP30
- Crouzet 84873221, This phase monitoring relay from Crouzet has been designed to monitor its own power supply. Equipped with a host of excellent features, including true RMS measurement, LED status indication & IP30 (casing)/IP20 (terminals) protection, along with the control of 3-phase networks: overvoltage between phases, undervoltage between phases & neutral. Crouzet 84873221 H3USN Phase Monitoring Relay