ABB CM-ENS.21S level monitoring relay

Manufacturer: ABB
Type: level monitoring relay
Model: CM-ENS.21S
part No. : 1SVR730850R0200

The CM-ENS.21S belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 – 240 V AC/DC and has a 1 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers.