ATC Molded Case Circuit Breaker & Molded Case Switch ATS
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 breaker-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 Open Transition MCCB & MCS types of ATS also permits periodic testing of the emergency source without interrupting power to the loads and are available from 30 to 1000 amperes.
Rating Range
30-1000A
Transfer Type
Open transition
Switch Type
Molded Case
Specification
Value
Rating Range
30-1000A
Transfer Type
Open transition
Switch Type
Molded Case
Specification
Value
Control Power
30-1000A 2, 3, or 4 Pole, 100% Rated
System Voltage Application
120 - 600 Vac, 50/60 Hz
Withstand
100,000 amps withstand/closing/ interrupting at480 Vac
Applicable Testing
CSA C22.2 No. 178 certified
IBC 2006, CBC 2007 and OSHPD
IBC 2006, CBC 2007 and OSHPD
- ATC-100, ATC-300+ or ATC-800 microprocessor-based controller
- Mechanical (cable) and electrical interlocking to prevent paralleling of sources
- Voltage and frequency sensing
- Multiple field programmable time delays
- Switch position indication
- Source availability indication
- Safe manual transfer under load
- Source 1 and Source 2 auxiliary contacts
- Programmable plant exerciser
- System test pushbutton
- Load Shed from emergency (ATC-800 only)
- Mimic diagram
- Mechanical (cable) and electrical interlocking to prevent paralleling of sources
- Safe manual operation under full load with permanently affixed operating handle
- Ambient temperature range: -40C to 40C (-40F to 104F)
- Operating temperature range: -20C to 70C (-4F to 158F)
- Operating humidity: up to 90%
- Relative humidity (non-condensing)
- Frequency sensing on Source 1 and 2
- True RMS three phase voltage sensing on Source 1, Source 2 and load
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