Address: 1-4/F, Factory B, 504 Minzhi Avenue, Niulanqian Village, Niuhua Town, Baoan District, Shenzhen, Guangdong, China (Mainland) Zip:
Phone: +86-755-27521888-8020
Solid Encapsulated Pole Pillar Vacuum Circuit Breaker
TZNH-12 solid encapsulated pole pillar vacuum circuit breaker is used forpower transmission and distribution networks, for connecting anddisconnecting AC load, current overload and short circuit.Normal ambient conditions:1) Altitude: ≤1,000m2) Ambient temperature: -10 ~ +40°C3) Ambient relative humidity: value of day mean ≤95% value of monthmean ≤90%4) Saturated steam voltage: value of day mean ≤2.2 x 10-3MPa, value ofmonth mean ≤1.8 x 10-3MPa5) No frequency acute shock, fire, blast, heavily pollution, and chemical erodesituation6) The crake degree of earthquake cannot be above 8Major technical parameters:1) Rated voltage: 12kV2) Rated current: 630A, 1250A3) Rated frequency: 50Hz4) Rated insulation level:a) Lightning impulse withstand voltage: 75 (between phases, to earth), 85(across the isolation distance)b) 1min power-frequency withstand voltage: 42 (between phases, toearth), 48 (across the isolation distance)5) Rated short-circuit breaking current: 25kA, 31.5kA6) Rated short-circuit making current: 63kA, 80kA7) 4S short-time withstand current: 25kA, 31.5kA8) Breaking time of the rated short-circuit breaking current: 50 times9) Breaking time: ≤0.06s10) Rated single capacitor bank breaking current: 630A11) Rated back-to-back capacitor bank breaking current: 400A12) Mechanical endurance: 30,000 times13) Rated operating voltage: DC/AC 220V, 110V
Product Name: Indoor Side Installed Vacuum Circuit BreakerModel Number: VB SeriesPlace of Origin: ChinaGeneral introduction:The VB12 series product is fixed typed with hanging general planning. The va
General introduction:The VB12 series product is fixed typed with hanging general planning. The vacuumout arc room is lengthways placed right side and the operating mechanism isplaced in the front. It
TZNH-12 solid encapsulated pole pillar vacuum circuit breaker is used forpower transmission and distribution networks, for connecting anddisconnecting AC load, current overload and short circuit.Norma
TZNH-12 solid encapsulated pole pillar vacuum circuit breaker is used forpower transmission and distribution networks, for connecting anddisconnecting AC load, current overload and short circuit.Norma
Product Name: Vacuum Circuit BreakerModel Number: THV SeriesPlace of Origin: ChinaTHV series indoor side-installation vacuum circuit breaker is applied in powertransmission and distribution network, f
THV series indoor side-installation vacuum circuit breaker is applied in powertransmission and distribution network, for connecting and disconnecting loadAC, overload current, short circuit current. T
It is mainly installed in the fixed high voltage switch cabinet in industrial andmineral enterprises, power plants and substations for protection and control ofelectric devices.The breaker conforms to
THV series indoor side-installation vacuum circuit breaker is applied in powertransmission and distribution network, for connecting and disconnecting loadAC, overload current, short circuit current. T
General introduction:VB12 series product is fixed typed with hanging general planning. The vacuum outarc room is lengthways placed right side and the operating mechanism is placed inthe front. It is s
help
Add to favorite
Favorite products
