The invention also includes the lock-in device with the bound piece and the reset spring, which ensures the right press of the contact, improves the capacity of connecting and breaking.
所述的自动转换开关还设有包括一个限止件和一个复位弹簧的锁定装 置，有效的保证了触头的压力，使接通与分断能力有了较大的提高。
The invention also includes the lock-in device with the bound piece and the reset spring, which ensures the right press of the contact, improves the capacity of connecting and breaking.
所述的自动转换开关还设有包括一个限止件和一个复位弹簧的锁定装 置，有效的保证了触头的压力，使接通与分断能力有了较大的提高。
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