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    400 Amps Isolator Switch, 3 Pole/ 4 Pole

    Favorable price load break isolator switch, 400 Amps, 3 pole and 4 pole are available, voltage 380V, power 220kW, voltage 660V, power 185kW, brand new, direct sale by factory.
    Free Shipping Worldwide
    Delivery date: 6-12 days

    400 Amps load isolator disconnect switch, available in 3 pole and 4 pole, not only affordable but also high quality, If used in 380V, the power is 220 kW. When used in 660V, power is 185 kW.

    400 Amps Isolator Switch Specifications

    Basics Model ATOHGL-400A
    Pole 3 Pole/4 Pole
    Weight 3 Pole 4.3kg
    Technical Parameters 4 Pole 5.4kg
    Rated current 400A
    Rated insulation voltage Ui 690V
    Dielectric strength 1890V
    Rated surge-resistant voltage Uimp kV (installed category IV) 6
    Rated Working current le 380V AC-21B 400A
    AC-22B 400A
    AC-23B 400A
    Motor power P(380V)kW 380V 220 kW
    660V 185 kW
    Rated short-time withstand current lcw(kA rms)1.0s 12.6
    Rated breaking capability Icn (Arms) AC23 380VA 3200
    Rated making capacity Icm(Arms) AC23 380V 4000
    Rated short-current making capacity Icm'(Kapeak value) 25.2
    Mechanical durability (number of cyclic operation) 800
    Electrical Curability 380V 200
    Electric durability Ue=660V, Rated current COSφ=0.95AC21 7500
    COSφ=0.65AC22 500
    COSφ=0.35AC23 250
    Working Environment Moment of operation 14.5 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


    160A-630A  isolator switch dimension

    400 Amps Load Isolator Disconnect Switch Operation Mode

    63 amps load isolator disconnect switch

    Tips: What are the faults of the load isolating switch?

    1. The contact part is overheated.
    2. Porcelain insulation damage and flashover discharge.
    3. Refuse to pull or close.
    4. Wrong pulling and closing.

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