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Power frame type automatic transfer switches

Eaton’s power frame type automatic transfer switches (ATS) offer the highest amperage capacity in the industry. Designed for applications where total system coordination must be accomplished, they offer integral overcurrent protection with an electronic trip unit for a variety of standby power applications feeding critical and non-critical loads.

Continuous Current Rating
Up to 5000A
System Voltage Rating
Up to 600 Vac
System Frequency Rating
50/60 Hz

Core features

  • Rated for 200-5000A up to 600V in 2, 3 or 4 pole configurations, with open delayed, open in-phase, or closed transition
  • Automatic, non-automatic, and manual modes of operation under load
  • UL 1008 listed with short-circuit and short time current ratings
  • Available with Eaton’s Arcflash Reduction Maintenance System to reduce the incident energy levels for downstream equipment during periods of maintenance
  • Drawout construction for mission critical systems where preventive maintenance, inspection, and testing must be accomplished while maintaining continuous power to the load
  • Integral service entrance rated option
  • Open frame design for integration into new or existing distribution lineup

Finding the right ATS has never been easier

Learn about the broadest range of ATSs available in today’s critical power market

Transfer switch 101

Read our introductory guide to picking the right transfer switch for your environment

Intelligent monitoring and control

Discover the reliability, intelligence, and programming benefits of Eaton’s ATS controllers

Built with experience

With more than 100 years of experience, Eaton can engineer reliable solutions to meet the specific demands of your application—completely designed and customized to your needs

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