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FGW15 Isolating Switch

The FGW15 Isolating Switch is a manually operated disconnect switch designed for sectionalizing and isolating circuits in outdoor overhead distribution systems up to 38kV. Available in 12kV and 36kV ratings with current options of 200A, 400A, and 630A, it meets IEC 62271-102 standards. Its robust construction ensures reliable performance in demanding environments, making it ideal for utility and industrial power networks.

    Product Overview

    The FGW15 Isolating Switch provides a reliable means of circuit isolation and sectionalizing for outdoor overhead distribution lines operating up to 38kV. Equipped with a manual operating mechanism, it allows safe disconnection and visible isolation of line sections for maintenance or fault management. The switch is engineered to withstand harsh environmental conditions while maintaining consistent electrical and mechanical performance.

    Product Advantages

    ● Manual operation provides simple and dependable circuit isolation without auxiliary power
    ● Silver-plated copper contacts ensure low resistance and excellent long-term conductivity
    ● Hot-dip galvanized steel base delivers superior corrosion protection in outdoor installations
    ● Polymer insulator option offers lightweight handling and strong pollution performance
    ● Customizable operating rod length adapts to varied pole and mounting configurations

    Applications

    ◆ Outdoor overhead distribution lines up to 38kV
    ◆ Sectionalizing and isolation of feeder circuits
    ◆ Transformer and substation switching points
    ◆ Utility distribution networks in heavy pollution areas
    ◆ Industrial power supply systems requiring visible disconnect functionality

    Technical parameter

    Electrical characteristics Specification Unit
    Rated voltage of Disconnector 12 36 kV
    Rated current 200 / 400 / 630 A
    Rated frequency 50 Hz
    Lighting Impulse withstand voltage 95 170 kV
    Power frequency withstand voltage in 1 min (Dry) 42 70 kV
    Power frequency withstand voltage in 10 s (Wet) 36 60 kV
    Rated short circuit withstand current 20 kA
    Rated short circuit withstand time 3 s
    Rated peak withstand current 50 kA
    Creepage 31 mm/kV

    Spare parts
    Operating Mechanism with
    Arcing distinguishing chamber with/without
    Operating rod length Customerized

    Material
    Terminal pads Copper plated by silver
    Blade Copper plated by silver
    Insulator Porcelain/Polymer
    Channel Base Steel hot galvanized

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

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