Jn15 Series Earthing Switch (Indoor Type)
Product description
JN15-12 indoor HV earthing switch can be applied to power system of rated voltage from 3.6 to 12kV and three-phase AC frequancy of 50Hz. It is suitable for various types HV switchgear for earthing protection. The earthing switch consists of basis, supporting insulator, main axis, main blade, fast spring, fixed and moving contact. Additional electronic display is also available according to the customer's requirement.
Technical Specifications
| The number series |
Projuct |
unit |
Date |
| 1 |
Rated voltage |
KV |
12 |
40.5 |
| 2 |
Rated short-time withstand current |
KA |
31.5,40 |
31.5 |
| 3 |
Rated short circuit closing current |
S |
4 |
4 |
| 4 |
Interpolar center distance |
KA |
80,100 |
80 |
| 5 |
Rated short circuit duration |
KA |
80,100 |
80 |
| 6 |
Rated peak withstand current |
mm |
150,160,210,230,250,275 |
350,385,460 |
| 7 |
Rated insulation level |
1min Power frequency withstand voltage |
kv |
42/49 |
95 |
| Lightning impulse withstand voltage |
75/85 |
185 |
Environmental Conditions
1.The altitude does not exceed 1000m.
2.The ambient air temperature: Maximum+40°C:Minimum: General Area-30°C, Paramos-40°C.
3.The wind pressure does not exceed 700Pa.
4.The earthquake intensity does not exceed 8 degrees.
5.The working situation without frequent violent vibration.
6.The installation site of ordinary type isolator should be kept away from gas, smoke chemical deposition, salt-spray-fog, dust and other and corrosive maters that affect seriously insulation and conuction capability of the isolator.
7.Pollution-proof type isolator is applies to severe filthy conduction area
8.It shouldn't be any explosive matters and matters causing fire.
Company introduction
Zhejiang Volcano Electrical is a professional factory for prodcuing 10-40.5kV electrical equipments for power transmission, including all types of indoor&outdoor vacuum circuit breakers, automatic current recloser, SF6&vacuum load break switch, isolating switch, earthing switch, air&gas insulated switchgear, vacuum interrupters, fuse cutouts and lightning arresters.
The factory is located in Yueqing, the famous town for all types of low and high voltage electrical parts.It occupies square more than 10000m
2, and has developed several international production line. We have made constant efforts to improve product quality and service. To offer best quality with our best service to get a win-win solution is our main principal.
Certification Collection
Our company has get ISO9001, 14001 and 18001 approved. We have passed many type testing for our prodcuts.
Contact
Address: No.211, Weishier Road, Economic Development Zone, Yueqing, Zhejiang, China
Website: volcano-electrical.en.made-in-china.com
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