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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.

  • Specifications

  • Standard/Optional Equipment

  • Catalog

Rating Range

200-5000A

Transfer Type

Bypass isolation, Closed transition

Switch Type

Power Breaker

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

Applicable Testing

CSA C22.2 No. 178 certified
UL 1008 listed up to 3200A
4000A, and 5000A UL 891 listed

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

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.

ALL

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

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

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