Specifications

Product Type

Temperature Monitoring Relay

Brand

ABB

Series

CM-TCS.21

Function Overtemperature, undertemperature or temperature-window monitoring with PT100 sensor; short-circuit and interrupted-wire monitoring	Rated Control Supply Voltage (Us) 24 V AC/DC	Rated Insulation Voltage (Ui) 300 V
Rated Operational Voltage (Ue) 250 V AC; 300 V DC	Rated Operational Current AC-15 (Ie) 3:00 AM	Measuring Range -50 to 50 °C
Rated Frequency 50/60 Hz or DC	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	Minimum Switching Capacity 24 V / 10 mA
Output 1 x 2 c/o (SPDT) contacts or 2 x 1 c/o (SPDT) contacts, configurable	Short-Circuit Protective Devices 6 A fast-acting (n/c contact); 10 A fast-acting (n/o contact)	Electrical Life 100000 cycle

Conductor Cross Section Flexible

Supply/output: 1 x 0.5 to 2.5 mm²; 2 x 0.5 to 1.5 mm²; sensor: 1 x 0.2 to 2.5 mm²; 2 x 0.2 to 1.5 mm²

Conductor Cross Section Solid Core

Supply/output: 1 x 0.5 to 4 mm²; 2 x 0.5 to 2.5 mm²; sensor: 1 x 0.2 to 4 mm²; 2 x 0.2 to 2.5 mm²

Housing Material

UL 94 V-0

Depth 103.7 mm	Height 85.6 mm	Weight 0.138 kg
Width 22.5 mm

Storage Temperature

-40 to 85 °C

Operating Temperature

-40 to 60 °C

IP Rating

IP50 (housing); IP20 (terminals)

Standards and Approvals

EN 60947-5-1; EN 61000-6-2; EN 61000-6-3; EN IEC 63000; cULus E140448; CCC; EAC; GL; CE; UKCA; RoHS

ABB CM-TCS.21S Temperature Monitoring Relays -50 to 50deg C 24VAC/DC 2 x 1CO or 1 x 2CO 4A