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GTXGW-12
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GTXGN-12 Solid Insulating Ring Main Unit




1.General  Description:

 

Solid Insulating Ring Main Unit adopted Epoxy Resin as the insulating material, is a new developed environmental friendly and high-tech product experiencing two years and seven months researching and development with the assistance of related national departments.
Solid insulated Ring Main Units adopts insulation technology shielded with Epoxy resin and silicon rubbers.
Compact, Light Weight, Reliable and Secured
Environmental Friendly
International Invention, Domestic Initiative Design
All energized parts are sealed into epoxy resin bushing and rubber shield bus bar, fully shield and insulated.
Three position load switch structure design
Visible switch working position
Maintenance-free, suitability for outdoor application
Optional Spring operating mechanism, permanent magnetic controller
Standard modular design of manual and automatic operating mechanism, flexible assemble enabling Arc-protection by separate phase to phase insulation Comprehensive Modular Design, high standardized modular design enables flexible assembling and maintenance.
Multiple interlock function,safe operation ensured .Equipped with power network automation terminal modular, suitable for enterprises power network updating and rebuilding.Operation Mechanism adopts three protection processes, suitable for sever ambient conditions of site

 

2.Working condition:

 

1.Ambient temperature;-10----+40

2.Relative humidity:daily average ≤95%,monthly average ≤90%

3.Seismic intensity ≤8

4.Altitude:≤1000m;(Not including special requirement

5.Service environmentshould be avoided fire, explosion risk, serious       pollution, chemical corrosion and violent vibration

Uses should discuss with supplier if working condition exceed above range.

3.Technical data

Item

Unit

Data

Rated   voltage

kV

12

Rated frequency

Hz

50

Rated current

A

630,1250

Rated short   time withstand current(4S)

kA

20,25,31.5

Rated   withstand current(peak)

kA

50,63,80

Rated short   circuit breaking current

kA

20,25,31.5

Rated   short circuit making current(peak)

kA

50,63,31.5

Rated   insulation levels

Rated   power frequency withstand voltage/1min

kV

42

Rated   lighting impulse withstand voltage

kV

75

Level of   protection

Shell IP67

 

 

 

 

 

4.Overall drawing







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