| 摘要 |
In a miniaturized automatic circuit breaker with a casing (50) of insulating material forming an arc-extinguishing chamber and a housing for contacts (3, 4) which are closed and opened and for a pair of terminals (57, 58) for connection to ends of leads outside the circuit breaker, one (58) of the terminals is multifunctional and comprises a screw clamp (23, 24, 27) opening in a first face of the circuit breaker in order to receive ends of external leads and a spring-clip terminal (21, 22, 31, 32) opening in the rear face of the circuit breaker for receiving a blade-like terminal of an external lead, and an insulating diaphragm (43) is interposed between the multifunctional terminal (58) and the arc-extinguishing chamber and forms, with the casing (50), at least one vent duct (47, 48) opening in the first face and insulated electrically from the multifunctional terminal (58).
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