GIS Two Position Load Break Switch

1.It is special for GIS
2.It adopts a rotary blade structure.
3.Reliable, good insulation and breaking performance.
4.Meets GB1985-2004
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Product Details

It is a two position load break switch special for the GIS. The product is a rotary blade structure, and the arc extinguishing grid is used for arc extinguishing. It is reliable and have good insulation and breaking performance. Product performance meets the requirements of GB1985-2004 "High Voltage AC Isolation Switch and Grounding Switch" E3-M2 Class Isolation Switch.


Technical parameter of two position load switch


Item

Unit

Value

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

4

Rated short time withstand current

kA

20/25

5

Rated peak withstand current

kA

50

6

Rated short circuit duration

s

4

7

Rated short circuit closing current

kA

50

8

Mechanical life

times

10000

9

Main loop resistance

μΩ

≤35


Applying ambient condition

1. Altitude above sea level: no more than 2000m, earthquake intensity not exceed 8 degrees.

2. Ambient temperature: Max. Temperature: +50℃, Min. Temperature: -45℃. Average relative humidity daily: 95%, average relative humidity monthly: 90%.

3. It should be installed in condition without obvious dust, fire, chemical erosion, explosion, vapor and salt spray.

4. Rated SF6 gas pressure: 0.04mPa. SF6 gas meets the requirements of GB/T 12022-2014 “Industrial SF6"


Overall outline drawing of two position load break switch

二工位负荷开关image
GIS two position load break switchimage


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