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Zhejiang Shunhao Electric Appliance Co., Ltd
Address: Wenzhou City Economic and Technological Development Zone Binhai Park Road 238, No. 288 (six)
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Electric grounding switch JN15-12/31.5 12KV

Release time:2017/11/13 Hits:1231
Electric grounding switch JN15-12/31.5 12KV

 

 

 

 

1. Model No.: JN15-12/31.5 12KV high voltage electric earthing switch

2. Standard: GB 1985-2004 AC high voltage disconnect switch and earthing switch, IEC62271-102:2002

3. Application:KYN-28, KYN61-40.5 HV switchgear and various types HV switchgear, Indoor 3 phase AC 50(60)Hz power system.

4. Main function: Used for earthing protection

 

5.Using environment:
1,Ambient air temperature limit: +40, lower limit: -20 degrees centigrade
2,The altitude is not more than 1000mm. If more than 1000mm, please indicate when ordering;
3,The daily average value of relative humidity :
95%, and the monthly average value : 90%;

4,The intensity of the earthquake is not more than 8 degrees;

5.Mechanical life: 2000 times.


6,gradation for surface pollution: II.

 

7,others type electric earthing switch like 24kv, 40.5kv

Basic parameters:

 

 

Item

Item Data
Rated voltage kV 24
Rated short time withstand current kA 31.5
Tated short circuit making current kA 80
Rated peak withstand current kA 80
Rated insulation leve 1 min power frequency withstand voltage kV 6.5
Lighting impulse withstand voltage kV 125
Rated short circuit duration S 4