Single Phase

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 include Safe and reliable voltage and current monitoring; Easy Connect Technology widthstands highest vibrations & Easy to adjust via front face potentiometer. Main features include 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.