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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 environment:should 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