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40.5kV Vacuum Interrupter for Circuit Breakers

1.Rated voltage: 36kV/40.5kV 2.Rated current: 1250A~2500A 3.Rated short circuit withstand current: 25kA~31.5kA 4.Vacuum Interrupter (VI) Production Process Raw material puchasing→Parts maufacturing→Cleaning→Assembling→Vacuum brazing→Vacuum degree check→High voltage aging→Coating→Final inspection
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Circuit Breaker for Gas Insulated Switchgear

1.Rated voltage:12kV. 2. Altitude above sea level: no more than 2000m, earthquake intensity not exceed 8 degrees. 3. Ambient temperature: Max. Temperature: +50ºC, Min. Temperature: -45ºC. Average relative humidity daily: ≤95%, average relative humidity monthly: ≤90%. 4. It should be installed in condition without obvious dust, fire, chemical erosion, explosion, vapor and salt spray. 5. Rated SF6 gas pressure: 0.04mPa. SF6 gas meets the requirements of GB/T 12022-2014 "Industrial sulfur hexafluoride"
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KYN61-40.5(Z) Switchgear

1.The switchgear is assembly type. The circuit breaker is floor roll-out 2.Adopted new compound insulation, vacuum circuit breaker has the features of good interchange ability and easy replacement. 3.The truck shelf is equipped with lead-screw drive mechanism, which can move truck easily and prevent the mechanism be damaged from faulty operation. 4.All the operations can be done with the door shut. 5.All interlocks connecting with the main switch, truck and door of switchgear adopt compulsive mechanical lock and can meet the requirements of “FIVE PROVWNTION”.
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Earthing Switch JN22-40.5 31.5

1.Rated voltage:40.5kV 2.Rated short time withstand current(4s)：31.5kA 3.The height above sea level shall be no more than 1000 meter; 4.Ambient air temperature: +40℃~ -10℃ 5.Seismic intensity: no more than 8 magnitude 6.It shall be installed in the place without dust, fire, chemical erosion, explosion, vapor & salt spray, and the place where the strong vibration may happen.
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RMU(SF6 & SF6 Free)

12kV Ring Main Unit SF6 Gas RMU

Applicable standards
1.IEC 60265: Switching and operations
2.IEC 60420: Switch-fuse co-operation
3.IEC 62270-200: Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV
4.IEC 62271-102: High-voltage alternating current disconnectors and earthing switches
5.IEC 62271-100: High-voltage alternating current Circuit breakers

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24kV Ring Main Unit SF6 Gas RMU

Applicable standards
1.GB3804: Alternating-current load switchgear for rated voltages above 3.6kV and up to and including 40.5kV
2.GB1984: High-voltage alternating current Circuit breakers
3.GB1985: High-voltage alternating current disconnectors and earthing switches
4.GB16927: Switch-fuse co-operation
5.GB3906:Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6kV and up to and including 40.5kV

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