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 ...
Technical Summary
- Rating Range
- 40 to 4000A
- Transfer Type
- Open transition
- Switch Type
- Contactor Based
Electrical Ratings
- 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
Performance Features
- 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
Design and Construction Features
- 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