ATC Power Breaker & Case Switch 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. 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.
Rating Range
200 to 5000A
Transfer Type
Open Transition
Switch Type
Power Breaker
Specification
Value
Rating Range
200 to 5000A
Transfer Type
Open Transition
Switch Type
Power Breaker
Specification
Value
Control Power
Fixed Mount 200-3200A 2, 3, or 4 Pole
Drawout 200-5000A 2-, 3-, 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
- 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
- Safe manual transfer under load
- Source 1 and 2 auxiliary contacts
- Programmable plant exerciser
- System test pushbutton
- Load shed from emergency
- Mimic diagram
- True RMS three phase voltage sensing on Source 1, Source 2 and Load
- Frequency sensing on Source 1 and Source 2
- Mechanical (cable) and electrical interlocking to prevent paralleling of sources
- Safe manual operation under full load with permanently affixed operating handle
- Ambient temperature range: -40°C to 40°C (-40°F to 104°F)
- Operating temperature range: -20°C to 70°C (-4°F to 158°F)
- Operating humidity: up to 90%
- Relative humidity (non-condensing)
- Source paralleling duration is limited to 100 msec or less
- Source availability indication
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