Current overload protection switch with lightning protection function
A current overload and protection switch technology, applied in the direction of protection switch operation/release mechanism, overvoltage action switch, etc., can solve the problems of slow response, complicated components, difficult quality assurance, etc., and achieve fast and tight heat conduction effect, ensuring Safe to use, easy to configure and use
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[0076] First, see Figure 3 to Figure 6 As shown, a preferred embodiment of the present invention includes: a casing 31 with a pressing block 32 at the upper end, and a first connection piece 40, a second connection piece 50 and a third connection piece 60 at the bottom end, In the tool, the first contact piece 40 is provided with a double metal contact spring 41 and a first contact 411, and the second contact piece 50 is provided with a second contact 511 which can be contacted with the first contact 411 above the second contact piece 50; a One end of the linking member 33 is pivoted at the bottom of the pressing block 32, and the other end is linked to the free end 412 of the double metal contact spring 41, such as Figure 4 As shown, by the pressing of the pressing block 32, the first contact 411 on the double metal contact spring 41 is driven to contact the second contact 511 to form conduction (ON), and when the current is overloaded, the contact spring The varicose degr...
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