Specifications

Product Type

Thermistor Motor Protection Relay

Brand

ABB

Series

CM-MSE

Function 1 sensor circuit; automatic reset; monitoring of PTC temperature sensors and bimetals	Rated Control Supply Voltage (Us) 24 V AC	Rated Insulation Voltage (Ui) 250 V
Rated Operational Voltage (Ue) 250 V	Rated Operational Current AC-15 (Ie) 3:00 AM	Timing Range Response time < 100 ms
Measuring Range Total PTC resistance: maximum 1.5 kO; response: 2.7 to 3.7 kO; reset: 1.7 to 2.3 kO	Rated Frequency 50/60 Hz	Terminal Type Screw terminals
Rated Operational Current AC-12 (Ie) 4:00 AM	Rated Operational Current DC-12 (Ie) 4:00 AM	Rated Operational Current DC-13 (Ie) 2:00 AM
Output 1 n/o contact	Short-Circuit Protective Devices 10 A fast-acting	Electrical Life 100000 cycle

Conductor Cross Section Flexible

2 x 1.5 mm²

Conductor Cross Section Solid Core

2 x 1.5 mm²

Depth 78.5 mm	Height 78 mm	Weight 0.105 kg
Width 22.5 mm

Storage Temperature

-40 to 85 °C

Operating Temperature

-20 to 60 °C

IP Rating

IP50 (housing); IP20 (terminals)

Standards and Approvals

IEC 255-6; EN 60255-6; EN 61000-6-2; EN 61000-6-4; cULus; CE; RoHS

ABB CMMSE24 Thermister Motor Protection Relay PTC TypeA 24VAC 1NO 50/60Hz