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Automatic Transfer Switches

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... More

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).  The ATS automatically senses and triggers when one of the sources has lost or gained power.

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

TruONE ATS - Automatic Transfer Switch
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

Zenith ZTX T-series Automatic Transfer Switches
Easy and dependable for residential, commercial & light industrial standby power applications.
Zenith ZTG Series - General Purpose Automatic Transfer Switches
Rugged construction and flexible configurations for large commercial and industrial applications.
Zenith ZTS T-series ATS
Built for mission-critical and emergency power systems. Zenith ATS' is available in 30-4000A, standard, delayed, and closed transition.

Legacy Zenith ZTG Series

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

Legacy Zenith ZTS Series

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...
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...

Legacy Zenith ZTE Series
Mission, Process, Healthcare Critical

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

Zenith Medium Voltage

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...

Previous Generation Automatic Transfer Switches

GTX Series - Standard (Open transition) CCC certified
Built for light commercial critical/non-life safety applications requiring the dependability and ease of operation found in a power contactor switch.
ZTX Series ATS powered by TruONE
Easy and dependable for residential, commercial & light industrial standby power applications. Available from 30-1200A and 200-480V.
ZT30 Series
A UL tested 30-cycle short time rated Bypass/Isolation Transfer Switch that is utilized with Over Current Protective Devices (OCPD) to facilitate selective coordination.
ZTX Series - Standard (Open) Transition
Provides reliable, easy-to-operate source switching for small frame commercial and light industrial standby power applications. 40-400A and 120-480V.

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