JN15 series indoor HV earthing switch absorbs advanced new technics from domesitc and overseas. It conforms to GB 1985 AC HV disconected switch and earth switch,relative standards IEC62271-102. The apparatus applies to power system of rating below 12/24/40.5, and AC 50/60HZ. It is suitable for various types HV switchgear for earthing protection.The holistic earthing switch consists of basis,supporting insulator,main axis,main blade,fast spring,fixed and moving contact. Addtional electronic display also available according to the user's requirement.
Ambient Condition
- Altitude: ≤1000m;
- Ambient temperature: -25℃~ +40℃
- Ralative humidity:daily average ≤95%, monthly average ≤90%;
- Earthquake intensity: ≤8 degree
Product Feature
- Advanced design and steady performance.
- Simple structure,simple mounting and adjustment.
- Quick breaking and making capability.
- Beautiful appearance and delicate manufacture technics.
- Usable and scientific,available operation on both two sides(right and left).
Technical Specification
|
Item |
Unit |
Data |
Data |
Data |
|
Rated voltage |
kv |
12 |
24 |
40.5 |
|
Rated short time withstand current |
kA |
31.5, 40 |
31.5, 40 |
31.5 |
|
Rated short circuit duration |
s |
4 |
4 |
4 |
|
Rated peak withstand current |
kA |
80, 100 |
80, 100 |
80 |
|
Central distance between poles |
mm |
150,210,230,250,275 |
210,230,250,275 |
350,385,460 |
|
1min PF withstand voltage |
kV |
42/49 |
50/60 |
95 |
|
Ligntning impulse withstand voltage |
kV |
75/85 |
125/145 |
185 |
JN15-12/31.5 series indoor HV Earth Switch is advance product for collective high technology on the world . Through comprehensive examine, the feature comply with GB1985-89<<AC HV disconnecting switches and earth switches>>and IEC129 standard , suitable for power system with 12KV and blow AC 50Hz , support with kinds of HV switchgear and as earth protection.
