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Air Insulated Auto Counting Sectionalizing Breaking Switch

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Code: #13360

Supplier: Jiang Su Jin Kwang E&C Co., Ltd

Air Insulated Auto Counting Sectionalizing Breaking Switch cooperates with the backup protective device and blocks the fault section automatically. It is installed on the customer’s faucet penetration point in which the load capacity of the substation CB or recloser is below 4,000kVA (special load 2,000kVA) on a 22.9kV-y distribution line.

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  • Specifications25.8㎸Rated breaking current900A
    Rated frequency60㎐Rated closing current15㎄ Asym
    Rated current200APower frequency withstand voltage60㎸/ 1min
    Rated short time current15㎄ Instantaneous AsymImpulse withstand voltage150㎸(1.2X50㎲)
    10㎄ 1 second SymInrush current restraint time0.5, 1.0 sec
    3.5㎄ 10 second SymRated control voltageDC24V(AC220V Charing)
    Minimum operation currentPhase10, 20, 30, 50, 70, 100, 140, 200A, BLOCK
    Ground5, 10, 15, 25, 35, 50, 70, 100A, BY-PASS

 

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