ZW20-12 outdoor AC MV vacuum boundary circuitbreaker (hereinafter referred to as theboundary circuitbreaker)isone of our new products.Boundary circuit breaker is a multifunctional inteligent device with thefunction of vacuum breaker,vacuum load switch,recloser,sectionalizer four switches.The main configuration consists of vacuum breaker,CH-40 controller,external voltage transformer(Note:distributionautomationline ring network availablein bilateral PT)three parts.Products are widely used in 10kV,13kV city,ruralpowergrid space ringnetworkfor disconnecting switch,contact switch,automatic switch device which can implement the ring deployment line load.It can beused as boundary switch (commonly known as watchdog)inthe branch line of power supply,used as reclosers and sectionalizers in feed overhead distribution network.Aboundary circuit breaker is designed with remote management mode,protection and control functions,and communication functions.Reliable detection device with mA level zerosequence currentand phase to phase short circuit current can achieve automatic troubleshooting of single-phase qrounding faultsand phase to phase short circuit faults

ZW8-12outdoor MV wacuum circuit breaker is mainly used for AC 50Hz,voltage 10-12KV three phase power system,used for breaking and dosing the load current It has overload and short circuit protection function.It can equipped with surge current time delay protector and the lightning arrester or isolating switch namely breaker and isolating switch combination etc accordingto user needs.
c Can be equipped with power electronicsPT for short distance remote control can be equipped with dual powersupply automatic switching device Can be equipped with intelligentautomatic recloser can be equipped with prepayment metering automation
system
C Standard:IEC 62271-100

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.