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      HZ5B型組合開關系HZ5型的改進型，適用于交流50HZ，額定工作電壓至380V及以下的電路中作電動機起動、停止、換向、變速之用。可作為電路控制開關、主令控制開關及電焊機開關等。

      HZ5B combination switch is the improved type of HZ5, mainly used in the circuits of AC 50Hz, rated voltage 380V and below, to start, stop, commutate, shift speed. It can be used as circuit control switch, master control switch, and switch for welding machine and etc.

分類 Classification

1、按電流大小分有10A、20A兩種；

2、按用途分為轉換電路用和直接開閉電動機用兩種；

3、按接觸系統(tǒng)節(jié)數(shù)有1~8節(jié)、共8種；

4、按操作方式與操動器位置的組合分有8種。

1.As current rating: 10A, 20A two kinds

2.According to application, divided into the type of transferring circuit and the type of directly start/stop motor

3.According to the contact system has 1 -8 sessions, eight kinds.