The CM-E Series comprises single-phase voltage monitoring relays designed for over- and undervoltage protection in AC/DC systems, with a measuring range of 3 V to 600 V. These relays are housed in a compact 22.5 mm wide enclosure. The series includes window monitoring variants for simultaneous detection of over- and undervoltage conditions, ensuring reliable protection for single-phase installations.
Single-phase Monitoring Relays
Voltage and current measuring
For the monitoring of currents and voltages in single-phase AC/DC systems, ABB's CM range contains a wide selection of powerful and compact devices all in an only 22.5 mm wide housing. This product range includes current and voltage monitoring relays for over- and undercurrent protection, over- and undervoltage protection and phase loss monitoring –from 3 mA to 15 A and from 3 V to 600 V. Incorporating ABB's long-term experience the CM range provides highest safety and reliability for your electric installation.
Main Benefits
Main Features
| ABB Inc. | |
|---|---|
| Product Category | Protective Relays and Monitoring Relays |
| Product Number | CM-E Series |
| Product Name | Single-phase Monitoring Relays |
| Voltage Sensitive Relay | Overvoltage Protection (optional feature); Undervoltage (optional feature) |
