电源供应具备适当的过载保险丝或断路器保护。
The electrical supply has the proper overload fuse or circuit breaker protection.
电动机过载保护通常采用继电器，而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。
Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
介绍了一种具有热过载报警不脱扣功能的CM 3塑料外壳式断路器，其将热过载继电器的部分功能与MCCB的功能有机地结合在一起。
CM3 molded case circuit breaker (MCCB) with thermal overload alarm but non-release function was introduced. It integrates part function of thermal overload relay and function of MCCB.
插座外壳采用铸铝合金制成，内装断路器，具有短路和过载保护功能。
Housing of socket is made of aluminum alloy, in which there is circuit breaker with functions of short circuit and overloading protection.
插座外壳采用铸铝合金制成，内装断路器，具有短路和过载保护功能。
Housing of socket is made of aluminum alloy, in which there is circuit breaker with functions of short circuit and overloading protection.
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