Spec Sheet
G11-151 (Model RDT Automatic Transfer Switch) 4/21 Page 3
Withstand and Close- On Ratings (WCR)
Service Entrance Transfer Switch Ratings
The service entrance transfer switch is factory-equipped with a normal source disconnect circuit breaker.
Switch Rating, Amps WCR, RMS Symmetrical Amps at 240 VAC
200 22,000
400 35,000
Contactor Ratings with Coordinated Circuit Breakers
The transfer switches are UL listed at 240 VAC maximum. The following table lists contactor withstand current ratings (WCR) for
100- 400 ampere non-service entrance rated switches with specific manufacturer’s circuit breakers per UL and Canadian safety
standards. Suitable for control of motors, electric discharge lamps, tungsten filament lamps and electric heating equipment where
the sum of motor full-load ampere ratings and the ampere ratings of other loads do not exceed the ampere rating of the switch and
the tungsten load does not exceed 30 percent of switch rating.
WCR Ratings with Specific Manufacturer’s Molded-Case Circuit Breakers
Switch
Rating,
Amps
Voltage,
max.
WCR, RMS
Symmetrical
Amps
Manufacturer Type or Class
Maximum
Size, Amps
100
200
240 10,000 Any Breaker * Any Breaker (0.025 seconds max.) —
400 240
65,000 GE THLC4 350
42,000
Eaton /Cutler-Hammer HMC 800
GE THKM3F 1200
35,000 Any Breaker Any Breaker (0.05 seconds max.) —
* For higher WCR values, contact the factory for additional specific breaker ratings.