Gw8 Neutral Point Disconnector 145kv

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Quick Details

Product Name:

Gw8 Neutral Point Disconnector 145kv

Model NO.:

GW 8

Certification:

ISO

Structure of Operating:

Manual

Common Model:

Switching Mode:

Single Throw-in

Series:

Three

Grounding:

Double Ground

Number of Poles:

Three Pole

Grounding Mode:

Grounding

Operation:

Manual

Installation:

Outdoor High-voltage

Structure:

Double-column Disconnector

Type:

High-voltage

Application:

Substation

Trademark:

Yong De

Transport Package:

by Wood Carton

Specification:

IEC 62271-102: 2005 IEEE Std C37.30-1997

Origin:

China

HS Code:

8535300000

Product Details

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.

Characteristics:
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.

No	Item		parameter
1	Rated Voltage kV		72.5	123	145
2	Rated Current A		630, 1250
3	Rated Short Time withstand current and time kA/s		25-40/4
4	Rated Peak withstand current kA		63-100
5	1min power frequency withstand voltage (effective value) kV	To earth	140	230	275
		To phase	140	230	275
6	Lightning impulse withstand voltage v(peak value) kV	To earth	325	550	650
		To phase	325	550	650
7	Rated mechanical terminaload N	Level of lateral load	750	1500	1500
		Level of vertical load	500	1000	1000
		Vertical force	750	1000	1000
8	Max Man Operative Moment N. m		200
9	control voltage V		AC220 DC110 or220
10	motor voltage V		AC220 or380 DC110 or220

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