Supplier Details

 

Year Established:2013

Business Type:

Management Certifiation:

  • disconnector

disconnector

The series of GW4 disconnectors are of double-column horizontal rotating structures, the disconnectors completely meet with the requirements of IECC6227-102 and other international standards. The products have all passed type tests successfully conducted in the internationally famous KEMA Laboratory, Holland. Please contact us! Email:liujing@mec.com.cn

Product Details

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Description

Skype: liujingmec
liujing@mec.com.cn
 
The series of GW4 disconnectors are of double-column horizontal rotating structures, the disconnectors completely meet with the requirements of IECC6227-102 and other international standards. The products have all passed  type tests successfully conducted in the internationally famous KEMA Laboratory, Holland.
 
Technical Parameters for Disconnector
Item
Unit
GW4-40.5
GW4-72.5
GW4-126
GW4-145
GW4B-252
Rated voltage
kV
40.5
72.5
126
145
252
Rated current
A
3150
630/1250/2000/3150
2000
3150
Rated short time withstand
current (3s)
kA
40
25/31.5/40/50
40
50
Rated peak withstand current
kA
100
63/80/100/125
100
125
Rated short time Power frequency withstand voltage
To earth
 
KV
70
140
230
275
460
Across open contacts
80
160
265
315
530
Rated lighting impulse withstand voltage
To earth
 
KV
170
325
550
650
1050
Across open contacts
195
375
630
750
1200
Creepage
Mm/kV
25 or 31
Isolating distance after main contact open
mm
530
950
1250
1550
≥2450
Isolating distance after earthing blade open
mm
560
520
910
1180
≥1800
Bending force of porcelain insulator
N
4000
6000
Torsion force of porcelain insulator
N.m
2000
Rated static mechanical load of terminal (transverse/horizontal/vertical)
N
500
1000/750/1000
2000/1500/1250
Weight of single pole
Kg
100
275
325
375
950
Mechanical endurance
Time
 
≥5000
 

Company Profile

We are a professional player in transformer industry,  our annual total production capacity is about 18,000,000 KVA, our factory covers an area of 370,000 square meters and a building area of 100,000 square meters, with total assets of 350 million CNY and more than 1000 staff members with engineering and technical employees accounting for 21%.
Our main products include 220kV and below&200MVA and below oil immersed power transformers, 110kV and below furnace transformers, 110kV and below rectifier transformers, 35kV dry type transformers, 35kV combined transformer substation, 35kV and below amorphous alloy transformer, 35kV and below reactor etc. All of our products' performance measures up to the standards established by International Electric Committee (IEC).
We have many advanced production and testing facilities which imported from Germany and Japan, such as silicon sheet shearing automatic lines, automatic and continuous extrusion lines of electromagnetic wires, Kerosene vapor vacuum drying systems and more than 1,500 sets of production and complete testing systems for professional transformer production and other testing equipment. We can meet the requirements of customers completely.
 We have obtained ISO9001 quality management system and ISO14001 environmental management system certifications and in strict accordance with these standards in our routine.
We also obtained the CE certificate, CTQC test report, Nation Standardization Management AAA Certificate, National Measuring System Certificate and others. Many prizes also have been awarded to us in the past years by the relevant national Authority and local government.
Owing to our good reputation on quality and service, our products have been exported to more than 20 overseas countries and regions.
We sincerely hope we can provide you with best products and satisfied service, and you are always warmly welcome to visit us.
 
 

MEC

 

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