Fuse-combined type surge protector
A surge protector and combined technology, applied in emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, electrical components, etc. Safety and other issues, to achieve high safety performance level, reduce residual pressure residue, good airtight effect
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[0010] The present invention will be further described below in conjunction with specific embodiments.
[0011] like figure 1 and figure 2 A fuse combination type surge protector as shown includes a protector body 1, an overcurrent protection circuit and a large current impulse voltage limiting protection circuit are arranged in the protector body 1, and the overcurrent protection circuit is connected in series with at least one backup Protection element, the high current impulse voltage limiting protection circuit includes a series circuit composed of at least a varistor and a backup protection element, the protector body 1 includes a casing 2, and an overcurrent protection circuit inside the casing 2 is connected in series with a Fuse 3, the fuse 3 is fixedly arranged in the fuse fixing basket groove 4 opened inside the casing 2, the notch part of the fuse fixing basket groove 4 is provided with a cover plate, and the fuse is enclosed in the fuse fixing basket groove 4 In...
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