noun
1. : one of the readily replaceable parts (as of a circuit breaker) on which the arc, because of the opening of an electric circuit, is drawn after the main contacts have opened
2. : break jaw
noun
1. : one of the readily replaceable parts (as of a circuit breaker) on which the arc, because of the opening of an electric circuit, is drawn after the main contacts have opened
2. : break jaw
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012