FUSEHOLDER TUBE is made by overwrapping vulcanized fiber tube with epoxy resin saturated fiberglass filaments. The angle of filament winding is usually set at 55°. Vulcanized fiber tube becomes an integral tube ch provides gas-generating and arc-quenching characteristics. Epoxy resin saturated fiberglass provides strength and water resistance. The combination tube is usually coated with UV resistant paint in gray color.
Fiberglass/vulcanized fiber combination tube has the following advantages over fiberglass/polymeric synthetics combination tube: no-spark generating, char layer forming to prevent m excessive ablation, and the optimum amount of arc-quenching gas generating. The main application of fiberglass/vulcanized fiber combination tube is used in expulsion fuse tube cutout for interrupting high voltage AC circuits during power surge.
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