ZW7-40.5 outdoor medium-voltage vacuum circuit breaker is athree-phase AC 50Hzoutdor high-voltage electrical equipment tis suitable for the control and protection of 20-40.5kV power transmission and distribution systems,it can also be used in the occasions of section circuit breakersand switched capacitor banks,this product can be used with piecewise controller,the reclosing device can realize intelligent sectioning and redosing control of the power system.A current transformer can be added for measurement and protection.The ring circuit breaker is equipped with a spring or electromagnetic actuator,with reliable mechanical performance and frequent operation;there is no riskof fire and explosion
FZN25,FZRN25 vacuum load switch and composite apparatus,suitable for three-phase AC 50Hz ring network or terminal power supply and industrial electrical equipment,for load control and short circuit protection use,load switch open and close the closed loop current,no-load transformer and cable charging current,composite apparatus can break any current till ated short circuit current
The FZW28-12 outdoor sectionalizer vacuumload switch is equipped withfault detection,protection,control and communication functions that can autonomously isolate single-phase grounding faults and automatically isolate phase-to-phase short-circuit faults.Itis suitable forthe incoming end oruser end of 10kV distribution lines and can alsobe used at otherbranching line connections that meetthe requirement
FZW32-12 (40.5)outdoor MV isolatingvacuum load switch is a newtype of load switchwhich is the integration of mature experience of domestic existingload switch and advancedtechnology design of external.This load switch is composedof isolating switch,vacuum interupter and operating mechanism and other parts.By using the principle ofvacuum interrupter,with strong arcing ability,reliableperformance,long service life,small volume,no explosion danger,no pollution etc advantage.Theproduct can be used in transmission and distributionsystem ofelectric power,metallurgy,mine,chemical industry and other departments as control equipment,especially suitable for frequent operation place
GN19-12 indoor MV isolation switch series MVswitch equipment used for rated voltage 10kY,AC 50Hz and below power system,equipped with CS6-1 type manual operating mechanism,open,close the circuit in the case of no load,voltaged.There arederivatives such as anti pollution,highprototype andadded chargeddisplay devicetype,etc.
The GW9-10G of outdoor MV isolator switch is the high voltage switch equipment of single phase AC50Hz.The product issuitable for power system with rated voltage 10KV to make or break power supply under circumstances of with voltage andnomload.
C The isolator adopts isolatedrodto operate.
C Standard:IEC60129
Operating conditions
1.The altitude above sealevel:2000m
2.The ambientair temperature:-40℃~40℃ wind speed does not exceed 35m/s.
3.The earthquake intensitydoes not exceed 8 degrees
4.The working situation is without frequentviolent vibration.
5.The installation site ofordinarytypeisolator should be kept awayfromgas,smoke chemical deposition,salt-spray fog,dust and other explosiveand corrosive maters that affect seriously insulation and conductioncapabilityof the isolator.
6.Pollutioni-proof type isolatoris applicable to severe filthyconduction area,however,it shouldn’t be anyexplosive matters and matters causing fire.