1SVR730740R0100 ABB CM-TCS.11S Temperature Monitoring Relay -50 to +50 °C 24-240 V AC/DC

Why Choose the ABB CM-TCS.11S Temperature Monitoring Relay?

The ABB CM-TCS.11S (1SVR730740R0100) is a versatile temperature monitoring relay designed to measure and supervise temperatures from -50 to +50 °C in industrial machinery, process equipment and automation systems. Part of the ABB CM-TCS temperature monitoring relay series, it uses a PT100 resistance temperature sensor to detect temperature changes and provide reliable switching signals for heating, cooling, alarm and equipment protection applications.

This industrial temperature monitoring relay supports overtemperature monitoring, undertemperature monitoring and combined overtemperature/undertemperature monitoring. Two adjustable temperature thresholds allow the relay to respond to application-specific operating limits, while configurable output contact operation enables integration with industrial controllers, contactors and alarm circuits.

With a wide 24–240 V AC/DC control supply range, configurable relay outputs and compact 22.5 mm DIN rail-mounted construction, the ABB CM-TCS.11S provides a flexible solution for industrial temperature supervision. Its screw-terminal connections, front-mounted adjustments and visual status indication make it suitable for installation in electrical control panels and automated process systems.

Key Advantages

• Reliable industrial temperature monitoring relay for machinery and process control applications.
• -50 to +50 °C temperature measuring range for low-temperature and moderate-temperature monitoring.
• Wide 24–240 V AC/DC supply voltage range supports flexible integration into industrial control systems.
• Compatible with PT100 resistance temperature sensors for accurate temperature-dependent monitoring.
• Supports overtemperature, undertemperature and combined temperature monitoring.
• Two adjustable temperature thresholds allow monitoring limits to be configured for the application.
• Configurable output arrangement provides two individual change-over contacts or one combined two-contact change-over output.
• Selectable open-circuit or closed-circuit operating principle supports different control requirements.
• Supports two-wire and three-wire PT100 sensor connections.
• Integrated sensor fault detection helps identify short-circuit conditions in the measuring circuit.
• Front-mounted LED indicators provide convenient operating and relay status information.
• Compact 22.5 mm housing width saves space inside electrical control cabinets.
• DIN rail mounting and screw-terminal connections simplify installation and maintenance.
• Suitable for temperature alarms, equipment protection and automated process supervision.

Key Features

• ABB CM-TCS temperature monitoring relay series.
• CM-TCS.11S model with screw-terminal connection technology.
• -50 to +50 °C adjustable temperature monitoring range.
• 24–240 V AC/DC rated control supply voltage.
• Compatible with PT100 temperature sensors.
• One temperature sensor measuring circuit.
• Supports two-wire and three-wire sensor connection.
• Two adjustable temperature thresholds for monitoring and control.
• Selectable overtemperature monitoring.
• Selectable undertemperature monitoring.
• Combined overtemperature and undertemperature monitoring for temperature window supervision.
• Configurable open-circuit and closed-circuit operating principles.
• Two change-over relay contacts with configurable output operation.
• 250 V AC / 4 A contact switching capability for suitable control loads.
• Integrated detection of sensor short-circuit conditions.
• Front-mounted status LEDs for monitoring relay operation.
• Adjustable temperature settings using front-mounted controls.
• Optional sealable transparent cover to help protect settings against unauthorised adjustment.
• Screw-terminal connections for supply, sensor and output circuits.
• DIN rail mounting for industrial control panel installation.
• IP50 housing protection and IP20 terminal protection.

Technical Specifications

• Manufacturer: ABB
• Series: CM-TCS Temperature Monitoring Relays
• Model: CM-TCS.11S
• ABB order code: 1SVR730740R0100
• ABB product group: 310921-Measuring & Monitoring Relays
• Product type: Temperature monitoring relay
• Temperature measuring range: -50 to +50 °C
• Rated control supply voltage: 24–240 V AC/DC
• Supply frequency: 50/60 Hz for AC operation
• Sensor type: PT100 resistance temperature sensor
• Number of sensor circuits: 1
• Sensor connection: 2-wire or 3-wire
• Monitoring functions: Overtemperature, undertemperature and combined overtemperature/undertemperature
• Temperature thresholds: 2 adjustable thresholds
• Operating principle: Open-circuit or closed-circuit, configurable
• Output configuration: 2 × 1 change-over contacts or 1 × 2 change-over contacts, configurable
• Contact type: Electromechanical change-over relay contacts
• Contact rating: 250 V AC / 4 A
• Sensor fault monitoring: Short-circuit detection
• Operating ambient temperature: -40 to +60 °C
• Storage temperature: -40 to +85 °C
• Housing protection: IP50
• Terminal protection: IP20
• Terminal type: Screw terminals
• Mounting type: DIN rail mounting
• Dimensions (H × W × D): 85.6 × 22.5 × 103.7 mm
• Net weight: 0.151 kg
• EAN: 4016779852715
• RoHS compliance: Following EU Directive 2011/65/EU
• Application category: Industrial temperature measurement and monitoring

Reliable Temperature Monitoring for Industrial Process Control and Automation

Industrial processes often require continuous temperature supervision to maintain operating conditions and protect equipment. Temperatures outside specified limits can affect product quality, reduce machinery performance or cause damage to temperature-sensitive components. The ABB CM-TCS.11S temperature monitoring relay provides a practical way to detect these conditions using a connected PT100 resistance temperature sensor.

The relay measures temperature by evaluating the resistance of the connected PT100 sensor. As the measured temperature changes, the sensor resistance changes in a predictable manner. The CM-TCS.11S compares the measured temperature against its two adjustable thresholds and changes its output relay state according to the selected monitoring function.

For overtemperature monitoring, the relay can signal when equipment or process temperature exceeds the configured upper limit. For undertemperature monitoring, it can identify temperatures falling below the required operating level. When configured for combined overtemperature and undertemperature monitoring, it can supervise a permitted temperature window, making it suitable for processes that must remain between defined minimum and maximum limits.

The configurable relay output arrangement allows the two change-over contacts to be used according to the selected operating mode. The relay also supports open-circuit and closed-circuit principles, enabling the switching behaviour to be adapted to the control system. Its sensor short-circuit detection provides additional diagnostic capability for the temperature measuring circuit.

The wide 24–240 V AC/DC supply range simplifies integration into different industrial control environments. Its compact DIN rail-mounted housing and screw-terminal connections support installation alongside contactors, programmable logic controllers and other automation components. The CM-TCS.11S provides monitoring and control signals; heating elements, cooling equipment and motor power circuits should be switched through appropriately rated external devices where required.

Typical Applications

• Industrial temperature monitoring and alarm systems.
• Low-temperature process supervision.
• Industrial refrigeration and cooling systems.
• Cold storage equipment and temperature-controlled facilities.
• Heating and cooling control panels.
• Temperature monitoring of industrial machinery.
• Process vessels and equipment with compatible PT100 sensors.
• Temperature window monitoring in automated production systems.
• Industrial HVAC and ventilation control systems.
• Electrical control cabinets requiring temperature supervision.
• OEM machinery and industrial automation installations.
• Temperature-dependent alarm and protective control circuits.