Importance

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Abstract

A modular surge protector includes a shell, a discharge tube unit, a first varistor unit and a second varistor unit, where the discharge tube unit, the first varistor unit and the second varistor unit are arranged in the shell. The first varistor unit and the second varistor unit are stacked, the discharge tube unit is provided at a same side of each of the first varistor unit and the second varistor unit, a first electrode is led out from the first varistor unit, a second electrode is led out from the second varistor unit, and a third electrode is led out from the discharge tube unit. Three frames are provided for the discharge tubes and the varistors to form the modular design. With the vertical discharge tubes and the horizontal varistors, the modular surge protector has a compact structure and meets the requirements of miniaturization applications.

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First Claim