ABB Stotz S&J 3-Phase Monitoring Relay CM-PAS.31S

Manufacturer: ABB Stotz S&J
Designation: 3-Phase Monitoring Relay 2W 30s, 3x160-300VAC
Type: CM-PAS.31S
Electrical connection type: Screw terminal
With removable terminals: no
Rated control supply voltage Us at AC 50 Hz: 160..300 V
Rated control supply voltage Us at AC 60 Hz: 160..300 V
Voltage type for operation: AC
Phase sequence monitoring function: yes
Phase failure detection function: yes
Under-voltage detection function: no
Over-voltage detection function: no
Asymmetry detection function: yes
Voltage measurement range: 160..300 V
Min. adjustable response delay time: 0.2 s
Max. permissible response delay time: 0.2 s
Min. adjustable reset delay time: 0.1 s
Max. permissible reset delay time: 30 s
Number of contacts as changeover: 2
Width: 22.5 mm
Height: 85.6 mm
Depth: 103.7 mm

The CM series 3-phase monitoring relays ensure reliable and continuous monitoring of a three-phase network to guarantee the smooth and economical operation of machines and systems. The relays monitor the phase voltages, phase sequence, phase asymmetry, the presence of all phases, and the neutral conductor as needed.