CM-TCS.21S

Name: CM-TCS.21S
Brand: ABB
SKU: CM-TCS.21S

The ABB CM-TCS.21S temperature monitoring relay offers precise temperature control with overtemperature, undertemperature, and window monitoring capabilities. Configurable via front-face controls or smartphone app, it is ideal for a wide range of applications, including monitoring solids, liquids, and gaseous media.

Product ModelCM-TCS.21S

Material Number1SVR730740R9100

Product ID85596

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Precise Temperature MonitoringThe CM-TCS.21S relay ensures accurate temperature monitoring with a high degree of precision, making it suitable for critical applications.
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2. Configurable via Front-Face ControlsAll configurations and adjustments can be made easily using the front-face operating elements, reducing installation time and complexity.
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3. Smartphone App ConfigurationParametrization and configuration can be done via the ABB EPiC app, even in a non-powered state, further reducing installation time by up to 80%.
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4. Versatile Sensor CompatibilityCompatible with various sensors, including PT100, the CM-TCS.21S relay can be used to monitor temperatures in different media such as solids, liquids, and gases.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

22.5 mm

Product Net Height

85.6 mm

Product Net Depth / Length

103.7 mm

Product Net Weight

0.138 kg

Function

Overtemperature monitoring Undertemperature monitoring Over- and undertemperature monitoring

Measuring Range

-50 ... +50 Â°C

5. Reliable OperationDesigned for reliable operation, the CM-TCS.21S relay features short-circuit monitoring and interrupted wire detection, ensuring continuous monitoring and minimizing downtime.

Sensor Type

PT100

Rated Control Supply Voltage (Us)

24 V AC/DC

Rated Frequency (f)

Supply Circuit 50 Hz Supply Circuit 60 Hz Supply Circuit DC

Output

2 x 1 c/o or 1 x 2 c/o contacts, configurable

Terminal Type

Screw Terminals

Rated Operational Current AC-12 (Ie)

(230 V) 4 A

Rated Operational Current AC-15 (Ie)

(230 V) 3 A

Rated Operational Current DC-12 (Ie)

(24 V) 4 A

Rated Operational Current DC-13 (Ie)

(24 V) 2 A

Minimum Switching Capacity

24 V 10 mA

Rated Impulse Withstand Voltage (Uimp)

Measuring Circuit / Output Circuit 4 kV Output Circuit 1 / Output Circuit 2 4 kV Supply Circuit / Measuring Circuit 4 kV Supply Circuit / Output Circuit 4 kV

Rated Insulation Voltage (Ui)

Measuring Circuit / Output Circuit 300 V Output Circuit 1 / Output Circuit 2 300 V Supply Circuit / Measuring Circuit 300 V Supply Circuit / Output Circuit 300 V

Degree of Protection

Housing IP50 Terminals IP20

Overvoltage Category

III

Pollution Degree

Short-Circuit Protective Devices

Output Circuit NC - F Type Fuses 6 A Output Circuit NO - F Type Fuses 10 A

Electrical Durability

AC-12 100000 cycle

Mechanical Durability

30000000 cycle

Connecting Capacity

Flexible with Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible 1x 0.5 ... 2.5 mmÂ² Flexible 2x 0.5 ... 1.5 mmÂ² Rigid 1x 0.5 ... 4 mmÂ² Rigid 2x 0.5 ... 2.5 mmÂ²

Tightening Torque

0.6 ... 0.8 NÂ·m

Wire Stripping Length

8 mm

Recommended Screw Driver

0.8 x 4 4.5 Pozidriv 1

Mounting Position

1 ... 6

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Standards

CAN/CSA C22.2 No.60947-5-1 IEC/EN 60255-26 IEC/EN 60255-27 IEC/EN 61000-6-2 IEC/EN 61000-6-3 IEC/EN 63000 UL 60947-5-1 IEC/EN 60947-5-1

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Contact Rating UL/CSA

B300

Connecting Capacity UL/CSA

Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-14 AWG

Tightening Torque UL/CSA

7.08 inÂ·lb

Pilot Duty UL/CSA

B300

Ambient Air Temperature

Operation -40 ... +60 Â°C Storage -40 ... +85 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Object Classification Code

ETIM 7

EC001446 - Temperature monitoring relay

ETIM 8

EC001446 - Temperature monitoring relay

ETIM 9

EC001446 - Temperature monitoring relay

eClass

V11.0 : 27371810

UNSPSC

39122331

E-Number (Finland)

2712328

E-Number (Norway)

4187811

E-Number (Sweden)

3860666

Manufacturer ID

1SVR730740R9100