CTS Series Automatic Transfer Switch
The Cat® CTS Series Automatic Transfer Switch(ATS)is configurable for applications requiring the dependability and ease of operation found in a full featured power contactor type transfer switch.
The CTS Series is equipped with the MX250 controller that is designed for the most demanding transfer or bypass switch applications.
Rating Range
40 to 4000A
Transfer Type
Open transition
Switch Type
Contactor Based
Specification
Value
Rating Range
40 to 4000A
Transfer Type
Open transition
Switch Type
Contactor Based
Specification
Value
Control Power
40 to 4000 amperes, 2, 3 or 4 Poles
Enclosure Capability
NEMA 1, 3R, 4, 4X and 12
System Voltage Application
Available to 600 VAC, 50 or 60 Hz
Applicable Testing
UL 1008 listed at 480 VAC
CSA C22.2 No. 178 certified at 600 VAC
IEC 947-6-1 listed through 480 VAC
CSA C22.2 No. 178 certified at 600 VAC
IEC 947-6-1 listed through 480 VAC
- Contact transfer speed less than 100 milliseconds
- High close-in and withstand capability
- Temperature rise test per UL 1008 conducted after overload and endurance tests in unventilated enclosure – exceeds UL requirements
- Equipped with the MX250 Control Package
- Double throw, interlocked operation
- Electrically operated, mechanically held by a simple, over-center mechanism
- Silver alloy contacts with separate arcing contacts on 600 amp and above
- Arc quenching grids, enclosed arc chambers, and wide contact air gap for superior source to- source isolation on all units
- Control circuit disconnect plug and drive inhibit switch for safe maintenance
- Components accessible for inspection and maintenance without removal of the switch or the power conductors
- Mechanical indicator and contact chamber cover designed for inspection, safety and position designation
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