overload protection of motor 马达过载保护
Able to directly control AC 50Hz, 380V asynchronous motor with the protection of overload, phase-failure and voltage-absent.
可控制交流50Hz，380V，三相异步电动机的直接起动停止，并具有过载和 断相及失压保护。
In these cases, additional overload protection is required to avoid damaging the input circuitry of the instrument.
在这种情况下，就需要附加的过载保护功能以避免损坏仪器的输入电路。
Distribution circuit breaker a distribution circuit breaker is a device used for overload and short current protection of loads connected to a main distribution device.
配电线路开关配电线路开关是给连接在主配电设备上的负荷提供过载和短路保护的装置。
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