Gw4a 72.5 Isolator Disconnector Isolation Switch 363kv

Gw4a 72.5 Isolator Disconnector Isolation Switch 363kv image

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Basic Info.

Model NO.

GW4A 72.5/126/145/170/252/363kv

Operation

Electric

Grounding Mode

Grounding

Movement Mode

Horizontal Rotary Type

Number of Poles

Three Pole

Grounding

Double Ground

Series

Three

Run

Vertical Rotation

Switching Mode

Double-Throw Type

Common Model

Gw, Gn

Structure of Operating

Manual

Certification

ISO, GS, CE, ISO9002, ISO2000

Brand

OEM

Voltage

252kv

Transport Package

Wooden Cases

Specification

iEC CE, ISO

Trademark

VILLE

Origin

Ningbo China

HS Code

Production Capacity

50000 Sets/Year

Packaging & Delivery

Package Size

1.00cm * 1.00cm * 1.00cm

Package Gross Weight

1.000kg

Product Description

Usage and characteristic

The product has two columns with horizontal center breaks. It is used for breaking or connecting HV lines under no loads in the substation. It
accessible to the grounding switch on one side or two sides.
The disconnect switch adopts CJ2 or SRCJ motor operating mechanism to realize the three-gang operation. The earthing switch adopts
CS14G manual operating mechanism to realize the three-gang operation.

Service condition
a) Ambient temperature: -60ºC~+55ºC;
b) Altitude above sea level: not exceed 2000m;
c) Wind speed: no more than 34m/s;
d) Iced thickness: no more than 10mm;
e) Earthquake: intensity no more than 9 degree;
f) Dirtiness condition: suitable for pollution region IV class and below;
g) No heavy shock frequently, no explosive substance, inflammables or caustic;
h) The intensity of sunshine: 1000W/m²(It is a fine day at noon)

Characteristic:
1. Application of friction type contacting structure in main knife moving conductive contact surface;
2. Auto-locking device of breaking and closing positions effectively prevents the separation of dynamic/static contacts due to wind or electric
motive force;
3. The application of non-oil bearing and copper alloy sleeve on rotating point making it have auto-lubrication function and conquers the
corrosion and seizure of the rotating point;
4. Application of advanced surface processing technique and anti-rust aluminum, stainless steel greatly enhances surface anti-rust property;
5. Three-pole linkage and electric/manual operation of main switch;
6. Fitted with earthing switch that has the same short-circuit current withstand capability disconnector;
7. Effective prevention of mal-operation by electric/mechanical dual interlock between disconnector and earthing switch.

Technical parameters:
No. Item Data

1 Rated voltage(kV) 12,24,27.5,40.5,72.5,126,145,170,252

2 Rated frequency (Hz) 50/60

3 Rated current (A) 12-24:≤1250;27.5-72.5:≤5000;126-252:≤4000

4 Rated peak withstand current(kA) 80,100,125

5 Rated short time withstand current(kA) 31.5,40,50

6 Rated short circuit duration(s) 3,4

7 Mechanical endurance(times) 10000

Packing and Transpotation

Sales team:

Our Best Service For You

1.	Pre sale service
a.	make technical solution
b.	send quotation, technical data sheet and drawing
c.	prepare power transmission plan, testing plan,and shipment plan
2.	In sale service
a.	supervise the manufacturing schedule totally in accordance with the plan
b.	send photos to customer during every manufacturing process(hold point)
c.	inform the customer one week before testinng.
3.	After sale service
a.	installation and commissioning, training the workers
b.	quick response within 12 hours any time
c.	provide 12 months gurantee period normally.

FAQ For You

1. Q:	What is your delivery time ?
A:	Depend on the type of products
2. Q:	What is your payment term?
A:	30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it.
3. Q:	What kind of starndard you follow?
A:	IEC, ANSI, CSA, GB, etc
4. Q:	What kind of supporting documentation you can provide normally
A:	Quotation,outline drawing,manufacturing plan, testing plan,type test report ,reference list,etc
5. Q:	What is your normal wanrranty period?
A:	12 months after operation or 2years after shippment. depend on what type of goods.
6. Q:	Can u do installation and commissioningin user’s site?
A:	Yes, we can send our installation team to user’s country for service.
7. Q:	Do you have any experience in this kind of transformer?
A:	Yes, we can provide reference list for check.
8. Q:	Are you manufacturer or trading company?
A:	Manufacturer with Trading company.

Our advantages:

Quality Assurance

–From the very beginning, VILLE ensures quality in every step to achieve the best quality.

Experience Sharing

–With more than 30 years’ experience in power industry, VILLE brings you an optimized solution.

Global Service

–Wherever you are, VILLE global network will support and provide you with value.

Quick Response

–In response to your needs without delay, VILLE knows the value of your time.

Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!

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