ATC Power Breaker Bypass Isolation Open/Closed Transition ATS

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Overview

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.

Technical Summary

Units:
Rating Range 200-5000A 200-5000A Less
Transfer Type Bypass isolation, Closed transition Bypass isolation, Closed transition Less
Switch Type Power Breaker Power Breaker Less

Ratings

Control Power 200-5000A, 2-, 3-, 4-pole
100% rated Short
200-5000A, 2-, 3-, 4-pole
100% rated Short
Less
System Voltage Application 120-600 Vac 50/60 Hz 120-600 Vac 50/60 Hz Less
Time Withstand 85,000 for 30 cycles 85,000 for 30 cycles Less
Withstand 100 kAIC at 600V, 3 cycles 100 kAIC at 600V, 3 cycles Less
Applicable Testing CSA C22.2 No. 178 certified
UL 1008 listed up to 3200A
4000A, and 5000A UL 891 listed
CSA C22.2 No. 178 certified
UL 1008 listed up to 3200A
4000A, and 5000A UL 891 listed
Less

Product Features

  • ATC-800 microprocessor-based controller
  • True RMS voltage and frequency sensing
  • Full 30-cycle short time withstand capability
  • 30-cycle, 85 kA short-time rating on power circuit breaker
  • 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
  • Safe manual operation under full load with permanently affixed operating handle
  • Drawout capabilities on both ATS, bypass portions and power switching devices completely interchangeable between ATS and bypass units

ATC Power Breaker Bypass Isolation Open/Closed Transition ATS 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.

ATC Power Breaker Bypass Isolation Open/Closed Transition ATS Optional Equipment

Available Options
  • Integrated service entrance
  • Open or closed transition
  • 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
  • Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)
  • Field selectable, multi ratio, control voltage transformer 50/60 Hz

Optional Delayed Transition includes:
  • Time delay neutral
  • In-phase transition
  • Pre-transfer signal with 1 N.O. and 1 N.C. contacts

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