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Picture of ATC Molded Case Circuit Breaker & Molded Case Switch ATS

ATC Molded Case Circuit Breaker & Molded Case Switch ATS

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 Switch (ATS) will provide fully functioning transfer in applications where a momentary loss of power is acceptable on retransfer from emergency to normal power supply. The Cat Open Transition MCCB & MCS types of ATS also permits periodic testing of the emergency source without interrupting power to the loads and are available from 30 to 1000 amperes.

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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

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