Specifications

Product Type	Thermistor motor protection relay
Brand	ABB
Series	CM-MSE
Connection Type	Screw Terminal
Function	1 sensor circuit; automatic reset; monitoring of PTC temperature sensors and bimetals
Electrical Endurance	100000 cycle
Over Voltage Category	III
Rated Control Supply Voltage (Us)	24 V AC
Rated Impulse Withstand Voltage (Uimp)	4 kV
Rated Insulation Voltage (Ui)	250 V
Rated Operational Current AC-15 (Ie)	3 A
Contact Configuration	1NO
Measuring Range	Total PTC resistance: maximum 1.5 kO; response: 2.7 to 3.7 kO; reset: 1.7 to 2.3 kO
Rated Current	4 A
Rated Frequency	50/60 Hz
Rated Voltage	24 VAC
Sensor Type	PTC Type A
Terminal Type	Screw terminals
Rated Operational Current AC-12 (Ie)	4 A
Rated Operational Current DC-12 (Ie)	4 A
Rated Operational Current DC-13 (Ie)	2 A
Time Range	Response time < 100 ms
Rated Operational Voltage (AC/DC)	250 V
Output	1 n/o contact
Short-Circuit Protective Devices	10 A fast-acting
Mechanical Durability	30000000 cycle
Conductor Cross Section Flexible	2 x 1.5 mm²
Conductor Cross Section Solid Core	2 x 1.5 mm²
Mounting Type	DIN Rail
Depth	78.5 mm
Height	78 mm
Weight	0.105 kg
Width	22.5 mm
Pollution Degree	3
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