Bypass isolation power

Eaton’s bypass isolation power frame type automatic transfer switches (ATS) are designed for mission critical systems where redundancy is required allowing maintenance, inspection, and testing to be performed while maintaining constant power to the load. Designed for applications where total system coordination is desired, they offer integral overcurrent protection with an electronic trip unit.


Up to 5000 A


Up to 600 Vac


50/60 Hz

Core features

Automatic transfer switches

Reliable, rugged, versatile and compact assemblies for transferring essential loads and electrical distribution systems from one power source to another.

Watch the following videos to learn more:

  • What is WCR in automatic transfer switches?
  • Choosing a transfer switch
  • Recent change to National Electric code
  • UL1008 Short-circuit WCRs

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

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