Article image 1SVR730722R1400

ABB 1SVR730722R1400

CM-MSS.21S

CM-MSS.21S Therm. motor protec. relay 1n/o+1n/c, 24-240VAC/DC

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Description

The CM-MSS.21S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 1 n/c + 1 n/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the closed-circuit principle. The sensor circuit of the CM-MSS.21S is short-circuit, as well as interrupted-wire monitored and the relay will be reset automatically after the failure has been removed. This protection relay is certified according to the ATEX directive 94/9/EC. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.

Logistic parameters

ECCN:
Country of Origin: DE
EAN:
Weight: 0.13 kg
Length: 0.1037 m
Width: 0.0225 m
Height: 0.0856 m