ATC Power Breaker & Case Switch Automatic Transfer Switch

ATC Power Breaker & Case Switch Automatic Transfer Switch

Cat® transfer switches are designed for a variety of standby power applications. They provide flexibility, reliability and value in a compact package. The open transition power case switch-based ...
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Technical Summary

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

Ratings

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
Applicable Testing

CSA C22.2 No. 178 certified

IBC 2006, CBC 2007 and OSHPD

Product Features

  • ATC-800 microprocessor-based controller
  • Voltage and frequency sensing
  • Fastest switching times available (<3 cycles)
  • Full 60-cycle short time withstand capability
  • Multiple field programmable time delays
  • Switch position indication
  • Source availability indication
  • Safe manual transfer under load
  • Source 1 and 2 auxiliary contacts
  • Programmable plant exerciser
  • System test pushbutton
  • Load shed from emergency
  • Mimic diagram
  • True RMS three phase voltage sensing on Source 1, Source 2 and Load
  • Frequency sensing on Source 1 and Source 2
  • Mechanical (cable) and electrical interlocking to prevent paralleling of sources
  • Safe manual operation under full load with permanently affixed operating handle
  • Ambient temperature range: -40°C to 40°C (-40°F to 104°F)
  • Operating temperature range: -20°C to 70°C (-4°F to 158°F)
  • Operating humidity: up to 90%
  • Relative humidity (non-condensing)
  • Source paralleling duration is limited to 100 msec or less
  • Source availability indication

Standard Equipment:

Optional Equipment:

    Available Options
    • Open or closed transition
    • Suitable for service entrance
    • Integral overcurrent protection
    • 2- or 4-position test switch
    • Multi-meter options available
    • Selectable automatic or non-automatic operation
    • Space heaters
    • Load sequencing contacts
    • Surge suppression
    • Remote communications
    • Controller availability: ATC-100, ATC-300+,and ATC-800
    • Field selectable, multi ratio, control voltage transformer 50/60 Hz
    Optional Delayed Transition Includes:
    • Time delay neutral
    • In-phase transition
    • Pre-transfer signal with 1 N.O. and 1 N.C. contacts