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.
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
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.