C37.18-1979 - IEEE Standard Enclosed Field Discharge Circuit Breakers for Rotating Electric Machinery
Description: Low-voltage power circuit breakers that are intended for use in field circuits of apparatus such as generators, motors, synchronous condensers, or exciters, and that embody contacts for establishing field discharge circuits are covered. Service conditions, ratings, and functional components are discussed. Temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, and test requirements are addressed. An application guide is included.