Electronic relays and controls

ABB has the industry’s most comprehensive range of electronic timers, measuring and monitoring relays, interface relays and power supplies – helping customers source all their critical components from a single global supplier. Increase the reliability of process equipment with control devices that provide intelligent signals and smart adjustments that help you achieve maximum system availability.

Main benefits
• Less downtime
• Faster to commission
• Engineering time savings
• Quick and simple selection
• Selection, conversion and installation made easy
• Reduce costs: one order, one shipment, one invoice
• Global support

Are you looking for support or purchase information?

Highlights

02/01/2024

Temperature and energy monitoring

Application guide

Developing a complete application for monitoring temperature and energy parameters with multiple platforms

Smart temperature monitoring relays catalog

Life cycle management

03/16/2020

Electronic Relays and Controls selection tables
01/27/2020

Electronic relays and controls catalog
07/22/2019

Motor protection in potentially explosive atmospheres

Brochure
07/22/2019

Electronic relays for railway solutions

Brochure
08/27/2018

ABB products help protect new airport rail systems for Asian Games in Indonesia

News article

ABB supplies extensive international railway experience, along with internationally certified technology, for new transit trains to international airport

07/30/2018

Life Cycle Management 2018-07

News article

Update for the year 2018, July

11/30/2017

New ABB grid feeding monitoring relay with Modbus RTU guarantees grid stability

Press release

ABB’s intelligent CM-UFD.M*M range with Modbus RTU enables remote maintenance and failure analysis

09/15/2017

Life Cycle Management 2017-09

Article

Update for the year 2017-09

High performance liquid level monitoring relays

ABB’s liquid level monitoring relays are the ideal solution to regulate and control liquid levels and ratios of mixtures of conductive fluids.

Digital catalog available

Find the assortment of our EPR products in our brand new digital catalog. This catalog includes ordering tables, technical information and many more information -  all you need in one document! Of course the printable PDF version is still available.

ABB's thermistor motor protection solution

The new generation of thermistor motor protection relays has been recently launched. Follow this link to get the latest information of the CM-MSS range.

Our offering

Time relays
Measuring and monitoring relays
Power supplies
Interface relays and optocouplers
Motor controllers
CT range
Time relays

The time relays of the CT range have been used in applications worldwide and have proven their excellent functionality in daily use even under the toughest conditions.

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CT-D range
DIN Rail range

The CT-D range with MDRC design (modular DIN rail components) in a housing with a width of only 17.5 mm fits into all domestic installation and distribution panels.

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CT-S range
Sophisticated range

The highly sophisticated CT-S range in ABB’s new S-range housing offers two different types of connection terminals and is ideally suited for universal use.

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CT-C range
Compact range

The CT-C range combines lower cost with higher value and performance by offering essential functions in a 17.5 mm housing, freeing up room in any control cabinet

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Measuring and monitoring relays
Overview of measuring and monitoring relays

Choose among a large range of products to ensure reliable protection, save cost and avoid unplanned downtime of your processes and equipment.

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CM-MSx
Thermistor motor protection relays

The CM-MSx thermistor motor protection relays are used to monitor the temperature of motors equipped with PTC temperature sensors.

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CM-Exx and CM-Sxx
Single-phase monitoring relays

The single-phase current and voltage monitoring relays of the CM range provide reliable monitoring of voltages and currents by using the TRMS measuring principle. Additionally a detection of phase losses in single-phase mains is possible.

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CM-TCx
Temperature monitoring relays

The temperature monitoring relays offer connectivity to a wide range of sensors, one touch configuration and a display to meet the needs of your applications

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CM-MPx and CM-Pxx
Three-phase monitoring relays

The three-phase monitoring relays of the CM range guarantee reliable and continuous monitoring of a three-phase network as well as the trouble-free and economic operation of machines and installations.

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CM-ENx
Liquid level monitoring relays

The CM-ENx liquid level monitoring relays monitor the liquid level and ratio of mixtures of conductive fluids.

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CM-UFx
Grid feeding monitoring relays

The CM-UFx grid feeding monitoring relays monitor voltage and frequency according to the relevant standards for decentral energy generation.

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CM-IWx
Insulation monitoring relays

The CM-IWx insulation monitoring relays guarantee the continuous insulation monitoring of IT systems thus minimizing downtimes of your installation.

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CP-range
Primary switch mode power supplies

The CP range offers newest technology in a compact construction of power supplies.
Power supplies
CP-S.1 range

This complete 24 V DC offering (3 A - 40 A) in a compact metal enclosure suits perfectly to OEM machine building requirements. Designed for a huge variety of applications, this advanced range boosts an integrated 150 % power reserve for five seconds and operates at an efficiency of up to 94 %.

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Power supplies
CP-D range

The CP-D range of power supply units in MDRC design (modular DIN rail components) fits into all domestic installation and distribution panels.

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Power supplies
CP-E range

The CP-E range offers enhanced functionality while the number of different types has been considerably reduced. Now all power supply units can be operated at an ambient temperature of up to +70 °C.

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Power supplies
CP-C.1 range

The CP-C.1 power supplies are ABB’s high-performance and most advanced range. With excellent efficiency, high reliability and innovative functionality it is prepared for the most demanding industrial applications.

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Power supplies
CP-T

The CP-T range of three-phase power supply units is the high-sophisticated member of ABB's power supply family.

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Power supplies
CP-B range

ABB offers an innovative and completely maintenance-free new product for buffering the 24 V DC supply in case of interrupted mains on the primary side of the switch mode power supply.

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Interface relays and optocouplers

Interface relays are widely used in various industrial applications: As an interface they link the electronic controlling, e.g. PLC, PC or field bus systems, to the sensor / actuator level.

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Complete variants

CR-S Range
The slim and pluggable interface relays

The slim CR-S Range completes the assortment for pluggable interface relays with a further product range that offers the right solution for your application.
The interface relays are mounted on a socket which is available with either screw or spring connection.

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CR-P range
Pluggable pcb relays

The CR-P range can be directly soldered on a Printed Circuit Board or as we offer plugged on a socket.

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CR-M range
Pluggable miniature relays

The CR-M range is our miniature solution to link the electronic controlling to the sensor / actor level.

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CR-U range
Pluggable universal relays

The CR-U range is our universal applicable part of the interface relays assortment that can be extended with accessories like a timing module.

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R600 range
Boxed interface relays and optocouplers

Boxed interface relays of the R600 range are used for electrical isolation, amplification and signal matching between the electronic controlling, e.g. PLC, iPC or field bus systems and the sensor / actuator level. The relay itself is built in thus the perfect solution because this design fulfills highest vibration requirements.

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Motor controller
ABB's offering for motor control and protection

The intelligent ABB Motor Controllers for motor protection, motor control, fieldbus and Ethernet communication and fault diagnosis.

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