JN15-12/50 Earthing Switch

JN15-12/50 Earthing Switch

1.The height above sea level shall be no more than 1000 meter.
2.Ambient air temperature: +40℃~ -25℃
3.Seismic intensity: no more than 8 magnitude
4.The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%
5.Filth degree: II
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Product Details

Main technical parameter

Item

Unit

Data

Rated voltage

kV

12

Rated short time withstand current

kA

50

Rated duration of short circuit

S

2

Rated short circuit making current

kA

125

Rated peak withstand current

kA

125

Rated insulation level

Power frequency withstand voltage(1 min)

kV

Pole to ground

42

Lightning impulse withstand voltage

Between phases

75

Mechanical life

times

2000

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Order Guide:

1. When customers order earthing switch, please kindly inform us the product model, distance between phases, and if you will need the Live Display(model number Required)

2. Customers shall indicate the upper and lower position of the fixed and moving contacts of the earthing switch when installed in the switchgear

3. If other special requirements, please discuss with us in details;


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