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采用真空接触器和JDB来实施对负载的控制和保护 ,具有漏电闭锁、短路、过载、断相等保护性能 ,还具有可调延时 ,外接瓦斯电闭锁接口 ,能同时实现风电、瓦斯电闭锁
The vacuum contactor and JDB are used to control and protect the load. The utility model has the functions of leakage blocking, short circuit, overload and breaking protection. The utility model also has the adjustable delay and the external gas electrical locking interface, and can simultaneously realize the wind power and the gas electrical locking