JN15-12 Series Indoor High voltage earthing switch

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serial number project   unit project
  Rated current   kA 12  24
2 Rated short-time withstand current   kA 31.5
3 Rated short circuit duration   s 4
4 Rated short-circuit making current   kA 80
5 Rated peak withstand current   kA 80
6 Phase center distance   mm 210, 230, 250, 275
7 Rated insulation level 1min power frequency tolerance kV 42
Lightning impulse voltage kV 75


JN15-12 indoor high voltage grounding switch is a product that has reached the domestic advanced level. Its performance meets the requirements of GB1985-2004 "AC High Voltage Isolation Switches and Grounding Switches" and IEC129. It is suitable for 12kV and below AC 50Hz power systems. It can be used with various types of high voltage switchgear and can also be used as high voltage electrical equipment. It is used for grounding protection during maintenance. This type of switch can be used in conjunction with a live display device

Use environment

a. Altitude: no more than 1000m;
b. Ambient air temperature: the upper limit is 40$, the lower limit is 25T;
c. The seismic intensity does not exceed 8 degrees;
d. No flammable, explosive, severe dust, chemical corrosion and severe vibration places.

Product number

Shape and installation dimensions