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FSC-22-1 Drop Out Fuse Cutout

The FSC-22-1 Drop Out Fuse Cutout protects transformers, capacitors, cables, and lines from short circuits and overloads in 11kV–38kV overhead systems. Rated for 33–36kV, it offers 100A, 200A, and 300A current options with a 720mm creepage distance. Compliant with IEC60282-2, it delivers reliable medium-voltage protection.

    Product Overview

    The FSC-22-1 Drop Out Fuse Cutout is a high-voltage overcurrent protection device designed for 33~36kV overhead distribution networks. It protects transformers, capacitors, cables, and distribution lines from damage caused by short circuits and overload conditions. When a fault current exceeds the fuse link rating, the link melts and the fuse tube drops open, creating a visible disconnect point for safe maintenance and fault isolation. Manufactured to IEC60282-2 standards, this cutout features corrosion-resistant conductive components, a robust fiberglass fuse tube, and selectable insulator materials for reliable outdoor performance.

    Fuse Cutout Structure

    The fuse cutout features a main bearing structure for stable support and alignment, along with a secondary bearing structure for added load capacity and secure contact during operation.

    fuse-cutout-structure

    Fuse Cutout Accessories

    The FSC-22-1 includes a complete set of accessories for reliable performance and easy maintenance:

    ● Lower general bearing of fuse for stable support and smooth fuse tube dropping
    ● Arc extinguishing housing for effective arc quenching and enhanced safety
    ● American type fusible load with knife for convenient load-breaking and overcurrent protection
    ● 300A fusible load for dependable interruption in high-current applications

    fuse-cutout-accessories

    Technical parameter

    Electrical characteristics Specification Unit
    Voltage 33~36 KV
    Current 100/200/300 A
    Frequency 50/60 Hz
    Power frequency withstand voltage to earth (1 min) 70 KV
    Power frequency withstand voltage phase to phase (1 min) 80 KV
    Impulse voltage to earth 170 KV
    Impulse voltage phase to phase 180 KV
    Breaking current 6 KA
    Creepage distance: 720 mm

    Spare parts
    Mounting bracket with/without
    Arc shortening rod with/without
    Arc distinguish chamber with/without
    Fuse link without

    Material
    Copper content for brass Brass (60~62%)
    Conductive parts material Copper with silver plated/Copper with tin plate
    Insulator Porcelain/Polymer
    Fuse tube Fiber glass

    Service conditions
    Environment maximum temperature 40 ℃
    Pollution level II
    Altitude ≤1000 Meter

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