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Product Description

GN38-12 indoor high-voltage isolation switch is designed to meet the needs of the fixed type high-voltage cabinet, small-sized development. It has a three-station structure, fully insulated bottom plate and is equipped with coaxial locking and perfect mechanical interlocking mechanism, compact and compact. It is the best option switch for compact box switchgear

1.Altitude below 2000m

2.Ambient air temperature: upper limit +40C, lower limit -25C

3.Relative humidity: The daily average is no more than 95%, and the monthly average is no more than 90%

4.Ambient air should not be significantly contaminated by corrosive or flammable gas, water vapor, etc

5.There is no regular violent shock

Project

Unit

Parameter

Rated voltage

kV

12

Rated frequency

Hz

50

Rated current

A

630-1250

Rated thermal stability current (4s)

kA

25-31.5

Rated dynamic current

kA

63-80

Rated insulation level

1 min power frequency withstand voltage

kV

Interphase and phase 42

isolation fracture 48

Lightning impulse withstand voltage

Interphase and phase 75

isolation fracture 85


    GN38总装图

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