Technical Summary
| Rating Range | 200 to 5000A 200 to 5000A |
| Transfer Type | Open Transition Open Transition |
| Switch Type | Power Breaker Power Breaker |
ATS ATC Breaker / Contactor ATC Power Breaker & Case Switch Automatic Transfer Switch
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- Rating Range
- 200 to 5000A
- 200 to 5000A
- Transfer Type
- Open Transition
- Open Transition
- Switch Type
- Power Breaker
- Power Breaker
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.
Benefits
ATC-900 microprocessor-based controller and Power Breaker
Fastest switching times available (<3 cycles) Full 60-cycle short time withstand capability
All controls relays and industrial grade relays
Lugs are 90� rated and all control wire is #16 AWG, type XLPE with a 125� temperature rating.
Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges.
The hinges have removable hinge pins to facilitate door removal and are supplied with pad-lockable latches
Features At A Glance
- 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
Product Specifications for ATC Power Breaker & Case Switch Automatic Transfer Switch
Ratings
| Control Power |
Fixed Mount 200-3200A 2, 3, or 4 Pole Drawout 200-5000A 2-, 3-, 4-pole 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 120 - 600 Vac, 50/60 Hz |
| Time Withstand | 85,000 for 30 cycles 85,000 for 30 cycles |
| Withstand | 100,000 amps withstand/closing/ interrupting at 600 Vac 100,000 amps withstand/closing/ interrupting at 600 Vac |
| Applicable Testing |
CSA C22.2 No. 178 certified IBC 2006, CBC 2007 and OSHPD CSA C22.2 No. 178 certified IBC 2006, CBC 2007 and OSHPD |
ATC Power Breaker & Case Switch Automatic Transfer Switch 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.
ATC Power Breaker & Case Switch Automatic Transfer Switch 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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Electric Power
ATC Power Breaker & Case Switch Automatic Transfer Switch
Selected
- Rating Range
- 200 to 5000A
- 200 to 5000A
- Transfer Type
- Open Transition
- Open Transition
- Switch Type
- Power Breaker
- Power Breaker
Electric Power
ATC Contactor-Based Automatic Transfer Switch
- Rating Range
- 40-3000A
- 40-3000A
- Transfer Type
- Open / Closed Transition
- Open / Closed Transition
- Switch Type
- Contactor Based
- Contactor Based
Electric Power
ATC Molded Case Circuit Breaker & Molded Case Switch ATS
- Rating Range
- 30-1000A
- 30-1000A
- Transfer Type
- Open transition
- Open transition
- Switch Type
- Molded Case
- Molded Case
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