New CAT Equipment

ATC Power Breaker Bypass Isolation Open/Closed Transition 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. A Bypass Isolation Automatic Transfer Switch (ATS) provides fully functioning transfer in applications where emergency power to critical loads must be maintained at all times with no interruption. This type of design allows for inspection, maintenance or replacement of the power switching mechanisms with no interruption in electrical service. Breaker based Bypass isolation ATS are available from 200A to 5,000A.

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    Benefits

    ATC-900 microprocessor-based controller and Power Breaker

    Full 30-cycle short time withstand capability 30-cycle, 85 kA short-time rating on power circuit breaker

    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 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.
    • Ratings
      Applicable Testing
      CSA C22.2 No. 178 certified
      UL 1008 listed up to 3200A
      4000A, and 5000A UL 891 listed
      Control Power
      200-5000A, 2-, 3-, 4-pole
      100% rated Short
      System Voltage Application
      120-600 Vac 50/60 Hz
      Time Withstand
      85,000 for 30 cycles
      Withstand
      100 kAIC at 600V, 3 cycles
    • Technical Summary
      Rating Range
      200-5000A
      Switch Type
      Power Breaker
      Transfer Type
      Bypass isolation, Closed transition
    Controls and Wiring
    • All controls relays and industrial grade relays are totally encapsulated to minimize exposure to dust and dirt. Lugs are 90º rated and all control wire is #16 AWG, type XLPE with a 125º temperature rating.
    Enclosure
    • Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges to ensure proper support of the door and door mounted devices. The hinges have removable hinge pins to facilitate door removal for easy wall mounting or service and are supplied with pad-lockable latches.
    Available Options
    • Surge suppression
    • Field selectable, multi ratio, control voltage transformer 50/60 Hz
    • Integrated service entrance
    • Space heaters
    • Remote communications
    • Multi-meter options available
    • 2- or 4-position test switch
    • Selectable automatic or non-automatic operation
    • Open or closed transition
    • Load sequencing contacts
    • Integral overcurrent protection
    • Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)
    Optional Delayed Transition includes:
    • Pre-transfer signal with 1 N.O. and 1 N.C. contacts
    • Time delay neutral
    • In-phase transition