JN15-12 Series lndoorHigh Voltage Grounding Switches

JN15-12 Series lndoorHigh Voltage Grounding Switches
JN15-12 Series lndoorHigh Voltage Grounding Switches

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Overview

JN15-12 indoor high voltage grounding switch is a product that has reached the domestic leading level. Its performance meets the requirements of GB1985-2004 "AC High Voltage Disconnecting Switches and Earthing 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 maintenance. For grounding protection. This type of switch can be used in conjunction with a live display device.

 

 

Model meaning

 

 

 

Normal use environment

 

1. The altitude does not exceed 1000m;

2. Ambient air temperature: upper limit +40°C, unlimited -10°C;

3. It is allowed to store and transport at 30°C;

4. The seismic intensity does not exceed 8 degrees;

5. No flammable, explosive, severe dust, chemical corrosion and severe vibration places.

 

 

The main technical parameters

 

NO. project unit project
1 Rated current kA 12
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 withstand voltage kV 42
Lightning impulse voltage kV 75

 

 

Shape and installation dimensions

 

 

Model L E C
JN15-12/31.5-210 655 210 516
JN15-12/31.5-230 710 230 556
JN15-12/31.5-250 760 250 596
JN15-12/31.5-275 810 275 646
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