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Factory For Zw20-12 Industry Mining Industry Outdoor Vacuum Circuit Breaker with Sf6 Gas Insulation

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Well-run gear, qualified revenue workforce, and superior after-sales companies; We’ve been also a unified huge loved ones, anyone persist with the organization benefit “unification, determination, tolerance” for Factory For Zw20-12 Industry Mining Industry Outdoor Vacuum Circuit Breaker with Sf6 Gas Insulation, We have constructed a reputable name among many purchasers. Quality&customer initially are normally our constant pursuit. We spare no endeavours to help make better items. Sit up for long-term cooperation and mutual advantages!
Well-run gear, qualified revenue workforce, and superior after-sales companies; We’ve been also a unified huge loved ones, anyone persist with the organization benefit “unification, determination, tolerance” for China High Quality 11kv Circuit Breaker and Pole-Mounted Switch, “Good quality, Good service ” is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We are willing to establish long business relationship with those who seek the high quality products and good service. We have set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our professional experience and high quality grades will contribute to your business.

SF6 CIRCUIT BREAKER


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TECHNICAL PARAMETER

Parameter
Technical drawings
Parameter

 

Parameter name Unit   Parameter value
Rated voltage kv 12
Rated frequency Hz 50/60
Rated current A 800 1600 2500
Rated short-circuit breaking current kA 25 31.5 40
Rated short-circuit switching current (peak) kA 60 80 100
Rated short-circuit withstand current (thermal stability current) kA 25 31.5 40
Rated peak withstand current (thermal stability current) kA 63 80 100
Rated out of step breaking current kA 6.3 8.0 10.0
Cumulative breaking times under rated short-circuit breaking current N 30
Rated short circuit duration S 4
Rated lightning impulse withstand voltage Relatively kV 95
Between fractures kV 110
Rated 1min power frequency withstand voltage Relatively kV 42
Between fractures kV 54
Rated operating sequence O-0.3s-CO-180-CO
Closing time MS ≤100
Opening time ≤50
Breaking time ≤50
Closing and opening time ≤60
Closing synchronization ≤3
Opening synchronization ≤2
Voltage of opening coil and opening coil V DC: 220/110
Energy storage motor voltage V AC: 220/110
DC: 220/110
Single circuit resistance µΩ ≤70
Rated SF6 other pressure MPa 0.45
Annual leakage of SF6 gas ≤5%
Moisture content of SF6 gas ppm(v/v) ≤150
Radio interference level µV ≤2500
Mechanical life N 10000

Technical drawings

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Well-run gear, qualified revenue workforce, and superior after-sales companies; We’ve been also a unified huge loved ones, anyone persist with the organization benefit “unification, determination, tolerance” for Factory For Zw20-12 Industry Mining Industry Outdoor Vacuum Circuit Breaker with Sf6 Gas Insulation, We have constructed a reputable name among many purchasers. Quality&customer initially are normally our constant pursuit. We spare no endeavours to help make better items. Sit up for long-term cooperation and mutual advantages!
Factory For China High Quality 11kv Circuit Breaker and Pole-Mounted Switch, “Good quality, Good service ” is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We are willing to establish long business relationship with those who seek the high quality products and good service. We have set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our professional experience and high quality grades will contribute to your business.


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