Contact box with built-in over-temperature protection device
An overheating protection and contact box technology is applied in the field of contact boxes to achieve the effects of ensuring electrical safety, simple structure and strong practicability
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[0036] Such as figure 1 , figure 2 and image 3 As shown, the present invention includes a contact box body 1, the upper end of one side of the contact box body 1 is provided with a busbar installation hole 2, and a part of the contact box body 1 close to the busbar installation hole 2 A busbar fixing hole 5 and a static contact seat fixing hole 6 are provided on the side, and the feature is that: the inner wall of the contact box body 1 is fixedly connected with a copper gasket located on the side below the busbar installation hole 2 11. The copper gasket 11 communicates with the busbar fixing hole 5, and the copper gasket 11 is fixedly connected with a temperature detection circuit board 12, and the temperature detection circuit board 12 is provided with a fixed contact A temperature sensor 13 for real-time detection of the temperature, the busbar installation hole 2 is provided with a temperature acquisition and transmission device 3, the temperature acquisition and tra...
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