Automatic Transfer Switches

ABB's Automatic transfer switches (ATS) cover a variety of applications such as: Data Centers and Healthcare. Automatic transfer switches (ATS) shift the load between two power sources (Primary and secondary load sources). Our ATS automatically sense and trigger when one of the sources has lost or gained power.

TruONE ATS
TruONE™ ATS - A critical breakthrough for critical power.

TruONE ATS

TruONE ATS (automatic transfer switch) is the ATS for all applications while providing superior critical power security. TruONE incorporates switch and controller in one…

Zenith T-series Automatic Transfer Switches

ZTG T-Series

Rugged construction and flexible configurations for large commercial and industrial applications.

Zenith ZBTS T-series

The ZBTS T-series is built for mission-critical and emergency power systems. It is available in 30-3000A, standard, delayed, and closed transition.

ZTS T-series

Built for mission-critical and emergency power systems. Zenith ATS' is available in 30-4000A, standard, delayed, and closed transition.

Zenith Medium Voltage Automatic Transfer Switches

ZTSMV - Medium Voltage 5-15kV Class

Provides highly reliable and flexible source switching for essential healthcare equipment and business critical applications, including make-before break switching. 40-4000A…

ZTG Series - Legacy Zenith ATS

ZTG Series - Service Entranced Rated

Rugged construction and flexible configurations for large commercial and industrial applications. Available from 40-3000A and 120-600V.

ZTG Series - Standard (Open) or Delayed Transition

Rugged construction and flexible configurations for large commercial and industrial applications. Available from 40-3000A and 120-600V.

ZTS Series - Legacy Zenith ATS

ZBTS - Bypass/Isolation

Provides highly reliable and flexible source switching for essential healthcare equipment and business critical applications, including make-before break switching. 40-4000A…

ZTS Series - Standard (Open), Delayed or Closed Transition

Provides highly reliable and flexible source switching for essential healthcare equipment and business critical applications, including make-before break switching. 40-4000A…

ZTE Series - Legacy Zenith ATS

ZBTE - Bypass/Isolation

Specifically designed for large healthcare and mission-critical applications,with built-in metering,communications and advanced diagnostics. 40-4000A and 120-600V.

ZTE Series - Standard (Open), Delayed or Closed Transition

Specifically designed for large healthcare and mission-critical applications,with built-in metering,communications and advanced diagnostics. 40-4000A and 120-600V.