JN15 Type Indoor HV Earthing Switch
JN15 type indoor HV earthing switch is a product produced by China factory Kexun, which has reached the domestic advanced level. , suitable for power systems with AC 50Hz below 12kV, can be used together with various types of high-voltage switchgear, and can also be used as grounding protection for high-voltage electrical equipment maintenance.
Model: JN15
Brand：KEXR
Model: JN15
Brand：KEXR
● Reference to standards
The JN15 type indoor HV earthing switch meets GB1985-2004 Ac high-voltage disconnectors and earthing switches and IEC129 AC disconnectors and earthing switches
● Model meaning
● JN15 type indoor HV earthing switch Using environment conditions
◆Ambient temperature: Temperature around of The JN15 type indoor HV earthing switch
Should be -25~40℃
◆Altitude:The JN15 type indoor HV earthing switch should be installed at an altitude less than 1000m.
◆Seismic capacity: ≤8
◆The surrounding air of JN15 type indoor HV earthing switch should be free from obvious pollution such as corrosive, combustible gas and water vapor, and there should be no frequent violent vibration.
● Technical parameters of The JN15 type indoor HV earthing switch
|
Number |
Item |
Unit |
Data |
|
|
1 |
Rated current |
KA |
12 |
|
|
2 |
Rated short-term withstand current |
KA |
31.5 |
|
|
3 |
Rated short circuit lasting time |
s |
4 |
|
|
4 |
Rated short circuit closing current |
KA |
80 |
|
|
5 |
Rated peak withstand current |
KA |
80 |
|
|
6 |
Centroid distance |
mm |
210,230,250,275 |
|
|
7 |
Rated insulate level |
1min work withstand voltage |
KV |
42 |
|
Lighting impulse withstand voltage |
75 |
|||
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