FZN21-12D / T630-20 is three phase AC 50Hz indoor high-voltage switch equipment, which is suitable in the rated voltage 12kV electrical power systems. The switch has capability of making, load bearing, breaking load and overloading current. It can also break or make the idling long-line, the transformer and the capacitor.Load switch main technical parameters:1) Rated voltage: 12kV2) Rated frequency: 50Hz3) Rated current: 630A4) Rated active load breaking current: 630A5) Rated closed loop breaking current: 630A6) 5% rated active load breaking current: 31.5kA7) Rated cable charge breaking current: 10A8) Rated idling transformer capacity: 1,250kVA9) 1min power frequency withstand voltage: 42/48kV10) Lightning impulse withstand voltage: 75/85kV11) Rated short-time withstand current: 20/4kA12) Rated peak value withstand current: 5kA13) Rated short-circuit making current: 50kA14) Rated current breaking times: 10,000 times15) Mechanical life: 10,000 times16) Vacuum explosion chamber contact permission attrition thickness: 2mm17) Manual operation moment: ≤200N.mCombination electric appliance engineering parameters:1) Rated voltage: 12kV2) Rated frequency: 50Hz3) Fuse max rated current: 125A4) Rated breaking AC current: 3,150A5) Fuse trigger switch on/off time: 40±5ms6) Rated short-circuit breaking current (effective value): 31.5kA7) Rated short-circuit making current (peak value): 50kA8) 1 min power frequency withstand voltage: 42/48kV9) Lightning impulse withstand voltage: 75/85kV10) Fuse rams output energy: 2-5JMechanical characteristic technical parameters:1) Distance of moving contact and fixed contact: 10±1mm2) Over-travel: 4±0.5mm3) Average closing speed:0.6±0.2m/s4) Breaking opening speed: 1.1±0.2m/s5) Three-phase contact closing/opening asynchronous: ≤2ms6) Contact closing bounces time: ≤2ms7) Air distance between charged body and to earth: ≤1258) Between upper and lower support main loop resistance: ≤70µΩ
Product Name: Vacuum Load SwitchModel Number: FZW -40.5Place of Origin: ChinaFZW -40.5 is suitable for three-phase AC 50Hz and 40.5kV levels electrical power systems, mainly used for breaking, mak
Product Name: Vacuum Load SwitchPlace of Origin: ChinaFZN21-12D / T630-20 is three phase AC 50Hz indoor high-voltage switch equipment, which is suitable in the rated voltage 12kV electrical power syst
FZRN25-12D / T630-20 indoor AC high voltage load-breaking switch is three-phase AC 50Hz and rated voltage 12kV indoor installation, which is suitable for using in industry and mining situations, enter
Product Name: Vacuum Load SwitchPlace of Origin: ChinaFZRN25-12D / T630-20 indoor AC high voltage load-breaking switch is three-phase AC 50Hz and rated voltage 12kV indoor installation, which is suita
FZRN25-12D / T630-20 indoor AC high voltage load-breaking switch is three-phase AC 50Hz and rated voltage 12kV indoor installation, which is suitable for using in industry and mining situations, enter
Voltage transformer of the JDZ(X)6-350QRW type are full enclosed and castingresin insulated products, which are used for metering electric energy, voltage control and relay protection in the electric
The voltage transformers of the JDZ(J)-3/6/10/15(Q) type are semi-enclosed and castingresin insulated product. They are used for metering electric energy, voltage control and relay protection in the e
Product Name: Voltage TransformerPlace of Origin: ChinaThe voltage transformers of the JDZ(J)-3/6/10/15(Q) type are semi-enclosed and castingresin insulated product. They are used for metering electri
Product Name: Voltage TransformerPlace of Origin: ChinaVoltage transformer of the JDZ(X)6-350QRW type are full enclosed and castingresin insulated products, which are used for metering electric energy
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