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GW13-15 Isolating Switch

The GW13-15 Isolating Switch is a manually operated outdoor disconnect switch designed for sectionalizing and isolating circuits on overhead distribution systems up to 38kV. Available in 12kV and 36kV ratings with 400A or 630A current options, it features silver-plated copper blades, porcelain or polymer insulators, and a hot-dip galvanized steel channel base. Compliant with IEC 62271-102, this robust switch ensures reliable performance in heavy pollution environments.

    Product Overview

    The GW13-15 Isolating Switch is a manually operated disconnect switch engineered for outdoor overhead distribution systems. Designed for circuit sectionalizing and isolation at voltages up to 38kV, it delivers dependable performance with rated currents of 400A or 630A. Available in both 12kV and 36kV versions, the switch features a self-locking mechanism and a 90-degree blade opening for clear visual isolation. Constructed with silver-plated copper components and your choice of porcelain or polymer insulators, it meets IEC 62271-102 standards and operates reliably in heavy pollution environments at altitudes up to 1000 meters and ambient temperatures up to 40°C.

    Product Features

    ◆ Wide voltage range with 12kV and 36kV rated options
    ◆ High mechanical durability with self-locking mechanism
    ◆ Clear visual break with 90-degree blade opening position
    ◆ Excellent insulation performance with lightning impulse withstand up to 170kV
    ◆ Available with porcelain or polymer insulators to suit different environments
    ◆ Corrosion-resistant construction with silver-plated copper current-carrying parts
    ◆ Robust hot-dip galvanized steel channel base for long-term outdoor use
    ◆ Flexible configuration with optional mounting brackets, terminal clamps, and loadbuster hooks
    ◆ Compliant with international standard IEC 62271-102:2001

    Product Advantages

    ● Enhanced Safety: The 90-degree blade opening and self-locking mechanism provide secure visual isolation, protecting personnel during maintenance.
    ● Reliable Performance: High short-circuit withstand capability (up to 20kA) and excellent insulation ratings ensure stable operation under fault conditions.
    ● Weather Resistance: Designed for heavy pollution areas and wet conditions, with verified dry and wet power frequency withstand voltage performance.
    ● Durable Materials: Silver-plated copper blades and brass/copper terminal pads offer superior conductivity and long-term corrosion resistance.
    ● Easy Installation: Lightweight design with single carton packaging and optional pre-assembled accessories simplifies on-site setup.
    ● Versatile Application: Compatible with overhead distribution systems and customizable with loadbuster hooks for load-breaking operations.

    Applications

    ◆ Outdoor overhead distribution line sectionalizing
    ◆ Circuit isolation during maintenance and repair work
    ◆ Substation feeder isolation in medium-voltage networks
    ◆ Industrial and utility power distribution systems
    ◆ Rural and urban overhead line applications in heavy pollution environments

    Technical parameter

    Electrical characteristics Specification Unit
    Rated voltage of Disconnector 12 36 kV
    Rated current 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 16(for 400A)/ 20(for 630A) kA
    Rated short circuit withstand time 3 s
    Rated peak withstand current 40(for 400A)/ 50(for 630A) kA
    Creepage 25 20 mm/kV
    Blade stopped degree in opening position 90 DegreeDegree

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

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

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

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