Global site

ABB's website uses cookies. By staying here you are agreeing to our use of cookies. Learn more

Compact ATS

Compact without compromise

The Compact ATS by ABB is an all-in-one device that delivers all the safety and performance you would expect from an automatic transfer switch… and more. 100% ease and efficiency in a 40% more compact package.

The Compact ATS range includes automatic transfer switches from 40 to 125 Amperes (IEC) and will be in two versions:

  • OTM_C20D - For Network/Network application, with fixed version with pre-defined delay times and voltage thresholds.
  • OTM_C21D - For Network/Network and Network/Genset applications, with configurable transfer and back-switching delays and Adjustable over and under-voltage thresholds. New: Modbus RTU communication is now available.

Accurate communication
Modbus RTU communication is now available for Compact ATS adjustable versions. With Compact ATS, you are ready for connectivity now and in the future.

The in-built IO signals enable you to control your system conveniently. The remote test signal allows you to pre-test and maintain your ATS at any time.

Safety and protection
The current-carrying parts of the device are all enclosed, providing protection against any direct contact. In an emergency situation requiring manual operation, the automatic clutch and remote use are disabled by simply inserting the handle.

Space saving
The device has been designed to be extremely compact and fully enclosed. Compared to a conventional solution, the Compact ATS takes up approximately 40% less cabinet space. The all-in-one design means that no additional accessories are needed, not even an extra external power source.

Affordable range
The available functionalities have been carefully selected to meet market requirements without added niche features. It is simple, reliable, and functional. You can now get affordable high ABB quality you know and trust.

Are you looking for support or purchase information?

Products and documents browser

Related products