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ATC Service Entrance Rated MCCB & Power Breaker Based ATS

Cat® Service Entrance Rated (SER) automatic transfer switches (ATS) are designed to provide standby power emergency power to entire installation loads to protect against utility power interruption; yet allow the ATS to be as close as possible to the point of service entrance. By safely and in code compliance, integrating the necessary overcurrent protection and service disconnecting means into the automatic transfer switch, a single installation can be made at the service entrance. This design eliminates the need for a separate upstream fault protection and respective interconnections, which in turn reduces installation space, time, and cost. Breaker-based Service Entrance Rated transfer switches are available from 30A to 5000A.

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    Benefits

    ATC-300+ or ATC-900 on MCCB & Power Breaker ATS products Keyed service entrance switch

    Draw-out type breakers (available on Power Breaker ratings) UL 891 for 4000-5000A

    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.
    • Ratings
      Applicable Testing

      UL 1008 listed up to 3200A

      4000A, and 5000A UL 891 listed
      Drawout Power Breaker
      200-5000A 2, 3, or 4-Pole
      Fixed Mount Power Breaker
      200-3200A 2, 3, 4-Pole
      MCCB
      30-1000A 2, 3, or 4 Pole
      System Voltage Application
      120-600 Vac 50/60 Hz
      Withstand
      (Power Breaker) Up to 100 kAIC at 600V 3 cycles
    • Technical Summary
      Rating Range
      30-5000A
      Switch Type
      Molded Case and Power Breaker
      Transfer Type
      Open / Closed / Delayed
    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
    • 4-position test switch
    • Remote communications
    • Surge suppression
    • Selectable automatic or non-automatic operation
    • Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)
    • Communications for the ATC-300+ controller via RS-232 or Modbus through an integrated RS-485 port
    • Field selectable, multi ratio, control voltage transformer 50/60 Hz
    • Load sequencing contacts
    • Multi-meter options available
    • Open, closed or delayed transition
    • Space heaters
    • Integral overcurrent protection
    Optional Delayed Transition includes:
    • Pre-transfer signal with 1 N.O. and 1 N.C. contacts
    • Time delay neutral

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