ATC Molded Case Circuit Breaker & Molded Case Switch Automatic Transfer Switch

ATC Molded Case Circuit Breaker & Molded 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 breaker-based Automatic Transfer ...
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Technical Summary

Rating Range
30-1000A
Transfer Type
Open transition
Switch Type
Molded Case

Ratings

Control Power
30-1000A 2, 3, or 4 Pole, 100% Rated
System Voltage Application
120 - 600 Vac, 50/60 Hz
Withstand
100,000 amps withstand/closing/ interrupting at480 Vac
Applicable Testing
CSA C22.2 No. 178 certified
IBC 2006, CBC 2007 and OSHPD

Product Features

  • ATC-100, ATC-300+ or ATC-800 microprocessor-based controller
  • Mechanical (cable) and electrical interlocking to prevent paralleling of sources
  • Voltage and frequency sensing
  • Multiple field programmable time delays
  • Switch position indication
  • Source availability indication
  • Safe manual transfer under load
  • Source 1 and Source 2 auxiliary contacts
  • Programmable plant exerciser
  • System test pushbutton
  • Load Shed from emergency (ATC-800 only)
  • Mimic diagram
  • Mechanical (cable) and electrical interlocking to prevent paralleling of sources
  • Safe manual operation under full load with permanently affixed operating handle
  • Ambient temperature range: -40C to 40C (-40F to 104F)
  • Operating temperature range: -20C to 70C (-4F to 158F)
  • Operating humidity: up to 90%
  • Relative humidity (non-condensing)
  • Frequency sensing on Source 1 and 2
  • True RMS three phase voltage sensing on Source 1, Source 2 and load
  • Standard Equipment:

    Optional Equipment:

      Available Options
      • 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
      • Communications for the ATC-300+ Controller via RS-232 or Modbus through an integrated RS-485 port
      Optional Delayed Transition Includes:
      • Time delay neutral
      • Pre-transfer signal with 1 N.O. and 1 N.C. contacts