ATC Contactor Based Bypass Isolation Automatic Transfer Switch

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Product Features

  • ATC-300+ or ATC-800 microprocessor-based controller
  • True RMS voltage and frequency sensing
  • Maintains fully automatic capability while in bypass mode (optional)
  • Single motion rack-out with the door closed
  • Multiple field programmable time delays
  • Switch position indication
  • Source availability indication
  • Source 1 and 2 auxiliary contacts
  • Programmable plant exerciser
  • System test pushbutton
  • Load shed from emergency
  • Mimic diagram
  • Ability to test power switching isolated components
Technical Summary
Rating Range 100 to 1200A
Transfer Type Bypass Isolation
Switch Type Contactor Based
Ratings
Control Power 100-1200A 2-, 3-, 4-pole
System Voltage Application 120 - 600 Vac, 50/60 Hz
Withstand Up to 65 kAIC withstand
Applicable Testing CSA C22.2 No. 178 certified
IBC 2006, CBC 2007 and OSHPD

Standard Equipment

  • 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.

Optional Equipment

  • Available Options
    • Space heaters
    • 2- or 4-position test switch
    • Multi-meter options available
    • Open, closed or delayed transition
    • Drawout capabilities on both ATS bypass portions and power switching devices completely interchangeable between ATS and bypass units
    • Load sequencing contacts
    • Dual drawout type is field configurable for top or bottom conduit entry
    • Field selectable, multi ratio, control voltage transformer 50/60 Hz
    • Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)
    • Remote communications
    • Surge suppression
    • Selectable automatic or non-automatic operation
  • Optional Delayed Transition includes:
    • Time delay neutral
    • Pre-transfer signal with 1 N.O. and 1 N.C. contacts

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