High Voltage Isolating Switch

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Product Detail


Product Tags

High Quality High Voltage Isolating Switch

Product Features

complete in specifications,high technical parameters is high, wide range. Additional, wide scope of application , it can be used for high layout. Installation way is flexible.

Operating environment

Altitude: 1000m~3000m

Environment temperature: -30 to 40℃(-40 to 40℃ in special cold areas)

Wind speed no more than 700pa(Equivalent to 34m/s)

Earthquake intensity no more than 8 degree.

Ice cover thickness is no more than the 10 mm

Installation place should be no inflammable and explosive dangerous goods, chemical corrosion and violent vibration.

Post insulator pollution level: general type is 0 level, anti-contamination is Ⅱlevel.

Order Notes

When you place an order, please clearly indicate product model, rated voltage, stable current.

Indicate the installation way and requirements about grounding switch .

If you have special request , please make a negotiation with the manufacturer.

Technical Specifications GW4-40.5 GW4-72.5 GW4-126
Rated voltage (kV) 40.5 72.5 126
The rated current (A) 1250, 2000
Disconnector Rated peak withstand current (kA) 100
Rated short-time withstand current (RMS)kA 40
Rated short circuit duration s 4
Grounding switch Rated peak withstand current kA 100
Rated short-time withstand current (RMS)kA 40
Rated short circuit duration s 4
Rated short-time power frequency withstand voltage (RMS) kV to earth 95 160 230
across isolating point 118 200 230+70
Rated lightning impulse withstand voltage (peak) kV to earth 185 350 550
across isolating point 215 410 550+100
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector 53 94 164
switching ability of earthing switch inductance current electromagnetic inductance current (current/voltage) 50/0.5(A type), 100/6(B type)
Static inductance current (current/voltage) 0.4/3(A type), 5/6(B type)
switching times 10 10 10
rated terminal static mechanic load N longitudinal level 1000 1000 1000, 1250
Horizontal level 750 750 750
Vertical force 1000 1000 1000
switching capacitance current A 2 2 2
switching inductance current A 1 1 1
switching busbar for current transfer A (busbar transfer voltage 100V) 400V, 2500A, 100 times
Radio interference level less than 500 μV
Mechanical life 3000 3000 3000
single pole weight (kg) 240 300 350
note: All applied in an altitude of 2000m

Product Introduction

Isolating Switch2553

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