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ATC Power Breaker & Case Switch Automatic Transfer Switch

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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.

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Product Features

ATC-800 microprocessor-based controller
Voltage and frequency sensing
Fastest switching times available (<3 cycles)
Full 60-cycle short time withstand capability
Multiple field programmable time delays
Switch position indication
Source availability indication

Technical Summary

Rating Range: 200 to 5000A
Transfer Type: Open Transition
Switch Type: Power Breaker
Rating Range: 200 to 5000A
Transfer Type: Open Transition
Switch Type: Power Breaker

Ratings

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/Optional Features

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
- 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:
- Time delay neutral
- In-phase transition
- Pre-transfer signal with 1 N.O. and 1 N.C. contacts

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