China Wholesale JN22 Earthing Switch Manufacturer – JN22-40.5/31.5 Series High Voltage Earthing Switch – Timetric
China Wholesale JN22 Earthing Switch Manufacturer – JN22-40.5/31.5 Series High Voltage Earthing Switch – Timetric Detail:
Product definition
|
Model: |
JN22-40.5/31.5-□ |
|||
|
JN |
22 |
40.5 |
31.5 |
□ |
|
Indoor earthing switch |
Design No. |
Maximum volage (KV)
|
4S thermalstabliy currnt (KA)
|
Central distance between polesImm)
|
Introduction
JN22-40.5/31.5 series indoor HV earthing switch is researched and developed by XI’AN HV Electric research organization, with advanced design and steady performance,simple structures, simple mounting end adjustment suitable for electric power system with 40 5KV. Three- phase. AC 50Hz.As an earthing protection, it can be used in KYN□- 40.5 or other kinds of switchgears, also play a protective role in the high voltage electrical equipment overhaul. It is complied with GB 1985-2004 and IEC129 standard.
Working condition
●Altitude：≤1000m；
●Ambient temperoture：-10℃ ~+40℃ ；
●Earthquake intensity：≤8 degree；
●Appliable in the place without corrosive, flammable gas and water place
Mainly technical specification
|
No. |
ltem |
Unit |
Data |
|
|
1 |
Rated voltage |
KV |
35 |
|
|
2 |
Maximum voltage |
KV |
40.5 |
|
|
3 |
Rated short time withstand current |
KA |
31.5 |
|
|
4 |
Rated short circuit withstand time |
S |
4 |
|
|
5 |
Rated short circuit making current |
KA |
80 |
|
|
6 |
Rated peak withstand current |
KA |
80 |
|
|
7 |
Rated insulation level
|
I main power frequency withstand voltage |
KV |
95 |
|
Lightning Impulse withstand voltage |
185 |
|||
|
8 |
Central distonee between poles |
MM |
300；350；400 |
|
Outline overall and installing dimensions
Order notes:
1.Indicate product specification, rated voltage stability current, central distance between poles.
2.ifbevel gear mechanism needed,please indicate right or left operation mechanism according to the operation position shows in the drawing above.
3.If sensors with electric display device needed, please indicate type NO. 4.Please consult us if any special request.
Product detail pictures:
Related Product Guide:
We are going to dedicate ourselves to providing our esteemed buyers together with the most enthusiastically thoughtful products and services for China Wholesale JN22 Earthing Switch Manufacturer – JN22-40.5/31.5 Series High Voltage Earthing Switch – Timetric , The product will supply to all over the world, such as: Rwanda, Portugal, Iran, The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.
By Anna from South Korea - 2017.07.07 13:00
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
By Eleanore from Austria - 2018.12.28 15:18
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