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    500 Amps Isolator Switch, 3 Pole/ 4 Pole

    $219.63
    500 Amps isolator switch is mainly used for AC 50Hz, rated voltage 380V, 3 pole or 4 pole for selection, rated insulation voltage 690V. Long service lifetime, high safety, small size and easy operation.
    SKU: ATO-IS-HGL5000A
    *
    Free Shipping Worldwide
    Delivery date: 6-12 days

    500A load break isolator switch for sale, ATO provide you with the highest quality, lowest price, free shipping, 3 pole or 4 pole for choose from, dielectric strength 1890V, manufacturer direct sale.

    Isolator Switch Specifications

    Basics Model ATOHGL-500A
    Pole 3 Pole/4 Pole
    Weight 3 Pole 4.7 kg
    4 Pole 6 kg
    Technical Parameters Rated current 500A
    Rated insulation voltage Ui 690V
    Dielectric strength 1890V
    Rated surge-resistant voltage Uimp kV (installed category IV) 6
    Rated working current le 380V AC-21 400A
    AC-22 400A
    AC-23 340A
    660V AC-21 400A
    AC-22 315A
    DC-23 125A
    220V DC-21 400A
    DC-22 400A
    DC-23  
    440V DC-21 400A
    DC-22 400A
    DC-23 400A
    Motor power P (380V) Kw 380V 220 Kw
    660V 185 kW
    Rated short-time withstand current lcw(kA rms)0.1s/ 1.0s 12.6
    Rated breaking capacity Icm (Arms) AC23 380VA 3200
    Rated making capacity Icm (Arms) AC23 380V 4000
    Rated short-current making capacity Icm' (Kapeak value) 25
    Mechanical durability (number of cyclic operation) 25.2
    Electric durability Ue=660V, Rated current COSφ=0.95AC21 1700
    COSφ=0.65AC22 100
    COSφ=0.35AC23 500
    Working Environment Moment of operation 1.2 Nm
    Temperature -5℃~+55℃
    Way of working Continuously working
    Operating Handle
    Installation form Vertical
    Altitude ≤2000m
    Pollution level 3
    Overvoltage level
    IP level IP 20

    Dimension

    160A-630A  isolator switch dimension
    Load Break Switch Operation Mode

    Load Isolator Disconnect Switch

    Tips: What causes the contact resistance of the isolating switch to increase?

    The reason for the increase in contact resistance is: the repulsive force of the contact between the blade and the knife tip is very large, and the knife edge is not tightly closed, which causes surface oxidation and increases the contact resistance. Secondly, the disconnecting switch will cause arcing during the pulling and closing process, burn the contacts, and increase the contact resistance.

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