Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007

Disconnect Switch, Insolating Switch, Disconnector manufacturer / supplier in China, offering Gw8 Neutral Point Disconnector 145kv, Composite Silicon Rubber Insulator, Silicon Rubber Post Insulator and so on.

Diamond Member Since 2011
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  • Gw8 Neutral Point Disconnector 145kv

Gw8 Neutral Point Disconnector 145kv

Min. Order: 3 Pieces
Port: Shanghai, China
Production Capacity: 500PCS/Month
Payment Terms: L/C, T/T, D/P
Type: High-voltage
Structure: Double-column Disconnector
Installation: Outdoor High-voltage
Operation: Manual
Grounding Mode: Grounding
Number of Poles: Three Pole

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Basic Info.

Model NO.
GW 8
Double Ground
Switching Mode
Single Throw-in
Common Model
Structure of Operating
Yong De
Transport Package
by Wood Carton
IEC 62271-102: 2005 IEEE Std C37.30-1997
HS Code
GW8 Type main transformer neutral point disconnect switch
Simple Introduction:

GW, GW13 type main transformer neutral is alternating current 50Hz outdoor electric equipment. In the event of the no bearing, it used as the transformer neutral point to connect the ground. It also can be used as the ground connecting equipment composed with the adjustable discharge gap, gap support isolated pillar and current mutual inductor.
GW8-40.5~126/630 type and GW13-40.5~126/630~1250 type can mach CJ6 motor operating machine or SJ3 mechanic operating machine.

The products have property of simple structure, reliable property, wide usage, economical and long using time.
We have whole specification and can satisfy user's different parameter requirement.
Connecting terminal and the electric pole is made by casting aluminum-alloy and section bar, having the good property of high-intensity, good flowing and anti-corrosion
In the galvanic circle, the section is the combination structure made by screw fix linking, having the good property of stable flowing, high reliability, simple change way and convenient adding volume way.
In the galvanic circle, the contact and finger is made by T2Y pure copper tap whose connecting part is coated by 30μ M silver.
Finger spring is made by the stainless steel and its design is the inside hiding and outside press structure which is convenient for testing and changing.
Bearing block is made by high-intensity casting steel (disposed by hot zinc coating), the height can be adjusted and have the function of damping.
All the operating rod and linking rod are supplied by manufacturer, which is convenient for loading, adjusting and testing.
It can be supplied as a whole above the ground according to user's requirement.
1Rated   Voltage                                  kV72.5123145
2Rated Current                                  A630, 1250
3Rated Short Time withstand current and time kA/s25-40/4
4Rated Peak withstand current  kA63-100
51min power frequency withstand voltage (effective value)  kVTo earth140230275
To phase140230275
6Lightning impulse withstand voltage v(peak value) kVTo earth325550650
To phase325550650
7  Rated mechanical terminaload           NLevel of lateral load75015001500
Level of vertical load50010001000
Vertical force75010001000
8Max Man Operative Moment    N. m200
9control voltage                            VAC220  DC110 or220
10  motor  voltage                                  VAC220 or380 DC110 or220

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