ZW32-24 outdoor MV vacuum circuit breaker (Hereinafter referred to as the circuit breaker) is outdoor distribution equipment with rated voltage 24KV, three phase AC 50Hz. It is mainly used for breaking and closing the load current, overload current and short circuit current of power system. Applied to substation and industrial and mining enterprises in power system for protection and control use, more suitable for rural power grid and the frequent operation place.

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