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ATC Power Breaker & Case Switch Automatic Transfer Switch

ATC Power Breaker & Case Switch Automatic Transfer Switch

More Comfort – More Performance – More Versatility

  • ATC-900 microprocessor-based controller and Power Breaker

    Fastest switching times available (<3 cycles)
    Full 60-cycle short time withstand capability

  • All controls relays and industrial grade relays

    Lugs are 90� rated and all control wire is #16 AWG, type XLPE with a 125� temperature rating.

  • Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges.

    The hinges have removable hinge pins to facilitate door removal and are supplied with pad-lockable latches

Technical Summary

Rating Range 200 to 5000A
Switch Type Power Breaker
Transfer Type Open Transition


Applicable Testing
CSA C22.2 No. 178 certified

IBC 2006, CBC 2007 and OSHPD
Control Power Fixed Mount 200-3200A 2, 3, or 4 Pole
Drawout 200-5000A 2-, 3-, 4-pole
System Voltage Application 120 - 600 Vac, 50/60 Hz
Time Withstand 85,000 for 30 cycles
Withstand 100,000 amps withstand/closing/ interrupting at 600 Vac

Download resources

ATC Power Breaker & Power Case Switch Transfer Switch Spec Sheet
Cat Gensets Rating Guide

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