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Varistors for Surge Protective Devices

Varistors for Surge Protective Devices
Varistors, also known as voltage-dependent resistors, are used as part of surge protective devices (SPDs). Varistors are designed to provide protection against transient overvoltages by limiting the ...

PBT Arrester Core

PBT Arrester Core
material: The core of a PBT arrester should be made of a highly insulating material, such as porcelain or epoxy resin, in order to reduce the possibility of sparking and arcing. Core size and shape: ...
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