DEVELOPERS OF HIGH POWER ARC BREAKER
CD 2487097 E&MP15.016
Electric Circuits, Breakers
B.P. Baker, Westinghouse development engineer, left, and L.R. Ludwig, manager of the Company's air circuit breaker engineering, inspect a moving contact arm on a new 15,000 volt compressed air circuit breaker, capable of interrupting an arc of 1,500,000 kilovolt-amperes.