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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). 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 - Automatic Transfer Switch
The all-new TruONE* is the world’s first true purpose-built automatic transfer switch, engineered to incorporate switch and controller in one seamless unit.

ZTS Series - Business and Industrial Critical

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...
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 - General Purpose

Zenith ZTG Series - General Purpose Automatic Transfer Switches
Powered by TruONE™ technology, Zenith ZTG Series ATS incorporate switch and controller in one seamless, self-contained unit.
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.

ZTX Series - Small Frame

ZTX Series ATS powered by TruONE
Easy and dependable for residential, commercial & light industrial standby power applications. Available from 30-1200A and 200-480V.

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.

ZT30 Bypass - 30 Cycle - for Critical Applications

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.

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 - 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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