Contact type double-tripping transient voltage suppressor
The utility model relates to the technical field of protective devices, in particular to a contact-type double-tripping transient voltage suppressor, which comprises a metal connecting assembly, a frame, a first pin, a second pin, an elastic piece and fusible alloy which are integrated through mutua...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of protective devices, in particular to a contact-type double-tripping transient voltage suppressor, which comprises a metal connecting assembly, a frame, a first pin, a second pin, an elastic piece and fusible alloy which are integrated through mutual position relation and connection relation. And during non-tripping, the first pin is in extrusion contact connection with the pin at one end of the protection device, and the other end of the metal connection assembly is also in extrusion contact connection with the second pin. The mode of replacing soldering tin through extrusion contact is adopted, so that generation or elongation of electric arcs can be greatly reduced, the transient voltage suppressor is rapidly separated from a main loop, and the electric arcs are effectively cut off. The two ends of the elastic piece abut against the frame and the metal connecting assembly respectively and are in a compressed energy storage state. During tripping, the fusib |
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