ATC Power Breaker & Case Switch Automatic Transfer Switch
At a Glance
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Rating Range
200 to 5000A
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Transfer Type
Open Transition
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Switch Type
Power Breaker
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Control Power
Fixed Mount 200-3200A 2, 3, or 4 Pole
Drawout 200-5000A 2-, 3-, 4-pole
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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. The open transition power case switch-based Automatic Transfer Switch (ATS) will provide fully functioning transfer in applications where a momentary loss of power is acceptable on retransfer from emergency to normal power supply. The Cat power case switch-based ATS also permits periodic testing of the emergency source without interrupting power to the loads and are available from 200 to 5000.
Technical Summary
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| Rating Range |
200 to 5000A |
| Transfer Type |
Open Transition |
| Switch Type |
Power Breaker |
Ratings
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| Control Power |
Fixed Mount 200-3200A 2, 3, or 4 Pole
Drawout 200-5000A 2-, 3-, 4-pole |
| System Voltage Application |
120 - 600 Vac, 50/60 Hz |
| Time Withstand |
85,000 for 30 cycles |
| Withstand |
100,000 amps withstand/closing/ interrupting at 600 Vac |
| Applicable Testing |
CSA C22.2 No. 178 certified
IBC 2006, CBC 2007 and OSHPD |
Standard Equipment:
Controls And Wiring
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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
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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
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Load sequencing contacts
Multi-meter options available
Controller availability: ATC-100, ATC-300+,and ATC-800
2- or 4-position test switch
Remote communications
Integral overcurrent protection
Field selectable, multi ratio, control voltage transformer 50/60 Hz
Suitable for service entrance
Space heaters
Open or closed transition
Surge suppression
Selectable automatic or non-automatic operation
Optional Delayed Transition Includes:
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Time delay neutral
In-phase transition
Pre-transfer signal with 1 N.O. and 1 N.C. contacts
