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
- Safe and reliable voltage and current monitoring
- Easy Connect Technology widthstands highest vibrations
- Easy to adjust via front face potentiometer
Main features
- Over-/undercurrent monitoring
- Over-/undervoltage monitoring
- Measuring of AC/DC signals
- TRMS measuring principle
- Window monitoring (upper and lower threshold at the same time)
- Easy Connect Technology with push-in terminals
- Double-chamber cage connection terminals