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Factory Direct Sale GW9-12 12KV 200A 400A Indoor Electric Isolation Switch

This product is a single break vertical open structure, with single pole isolation switch post insulators installed on their respective chassis. It mainly consists of a base, post insulators, main electrical circuit part, self-locking device, etc. Adopting a knife type structure to open and close the circuit.Each phase switch blade is composed of two conductive blades, and compression springs are installed on both sides of the blades to adjust the height of the springs, which can obtain the contact pressure required for the switch blade.

    Model and meaning

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    Product Overview

    When operating the opening and closing of the isolation switch, an insulation hook rod is required. To open the switch, grasp the isolation switch lock hook with the insulation hook rod, pull the lock hook in the opening direction, disengage the self-locking device, and drive the connected conductive plate to rotate, thus completing the opening action. For closing, press the insulation hook rod against the isolation switch lock hook, which will drive the rotating shaft to turn, making the connected conductive plate rotate to the closed position. At this point, the self-locking device engages, firmly locking the isolation switch in the closed state.​

    This isolation switch offers great flexibility in installation. It can be mounted on pillars, walls, ceilings, horizontal frames, or metal frames, and allows for both vertical and diagonal installations. However, a crucial installation requirement is that when the contact blade is opened, it should incline downwards. This arrangement ensures operational safety and the stable performance of the equipment.

    Product Parameters

    Name Unit Value
    Rated Voltage kV 10 15
    Maximum working voltage 12 7.5
    Rated Insulation Level 1min Power Frequency Withstand Voltage To Ground 40 40
    Break 47 47
    Lightning Impulse Withstand Voltage (Peak Value) To Ground 105 105
    Break 120 120
    Rated Frequency Hz 50
    Rated Current A 200 400 630 1250
    4-second thermal stability current kA 6.3 12.5 20 31.5
    Dynamic stability current kA 16 31.5 50 80
    Creepage Distance mm 300 380
    Mechanical Life Times 2000 2000

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