Electronic Relays & Controls

ABB has the industry's most comprehensive range of time relays measuring and monitoring relays, interface relays and power supplies – helping you to source all critical components from a single global... More

Limit Switches

LS2 LS3 & LS4 Limit Switches

ABB limit switches are an easy and reliable way to convert mechanical movements into electrical signals.

Time Relays
Time relays are available in three different ranges to cover every application.

CT Range Time Relays

CT-C range

The CT-C range combines higher value and performance at a lower cost by offering essential functions.

CT-D range

The CT-D range has a compact modular housing which is ideal for building applications and installation panels.

CT-S range

CT-S range high-performance time relays.

Measuring & Monitoring Relays

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

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

CM-Exx and CM-Sxx are the single-phase current and voltage monitoring relays that provide reliable monitoring of voltages and currents by using the TRMS measuring principle.

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

CM-MPx & 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...

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.

CM-IWx Insulation monitoring relays

Reliable insulation monitoring of IT systems

CM-MSx Thermistor motor protection relays

Protecting motors against overheating

CM-TCN Temperature monitoring relays

The innovative CM-TCN temperature monitoring relays can be configured either via a back-lit LCD or smartphone app.

CM-TCS Temperature monitoring relays

CM-TCS relay range monitors and measures the temperatures of solids, liquids and gaseous media using a variety of different sensors.

CM-ENx Liquid level monitoring relays

ABB's liquid level monitoring relays are used for regulation and control of liquid levels and mixture ratios for conductive fluids.

Interface Relays & Optocouplers

CR-M Pluggable miniature relays

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

CR-P Pluggable PCB relays and optocouplers

The CR-P pluggable PCB can be directly soldered on a Printed Circuit Board or as a plugged on a socket.

CR-S Range

CR-S Space-saving interface relays and optocouplers

CR-U Pluggable universal relays

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

R600 Boxed interface relays and optocouplers

The boxed interface relays were built directly in the housing, therefore, providing the perfect solution to fulfill the highest vibration requirements.