ZN23-40.5 MV vacuum circuit breaker is indoor MV distribution device ofthree-phase AC 50Hz,rated voltage 40.5kV,can be matched with JYN35/GBC-35 type switchcabinet.Suitablefor control and protection in power plant,substation and power dstribution system,especially suitable for frequent operation places.The vacuum circuit breaker is handcart type,withreasonable structure,convenient maintenance,safe andreliableuse

FN7-12R(L)AC MV load switch used in 50Hz,12kV three phase AC power system
FN7-12R(L)series vacum circuit breaker is indoor high voltage switch-gearwith rated voltage 12kV,three-phase AC 50Hz,which is developed by introducing from Switzerland,ABB corporation technology and analyzing domestic professiondevelopment condition,productivity development manufacture product.The overaltructure of this product is formed with theswitch mainbody and operating device,uses the compound insulation structure,does not have the pollution and the explosionhazard,and the insulation level is high.This operating device of the series product is for the spring loaded type,can use theelectrically operated operation,also can use the manualoperationc Standard:IEC 60265-1,IEC62271-105.

Operating conditions
1.Suitable for environments with an upper limitof 40℃and a lowerlimit of -30℃
2.Altitude notexceeding 1000m,wind speed not exceeding 35m/s
3.Fusesarenot suitable forthefollowing locations
3.1 Places with fuel or explosion hazards.
3.2 Places with severe vibration or impact.
3.3 Areas with abnormal electrochemical gas effects and severe airpollution and smoke

The zine oxide arrester is the mostadvanced over-voltage protector in the world,Due to make the risistordisc of core componetmainy adopt zine oxide arrester.Compared with the conventional silicon carbide arresterthis presciption of theproduct improvesgr-eatly the volt-Ampere characterisics of the resistor disc andincreased through-currentcapability at over-voltage so as to dring arad-icalchangesforthe characteristics of the arresters.

Technical data
1.Standard:GB1207-2006 voltage transformer
2.Technical parameterform
3.The creepage of product surface complywith Grade ll ofpollution.
4.Other technical parameter pleaserefers to tablebelow

JDZ3-3,6,10(Q)type single-phasedouble coil voltage transformer of epoxy casting insulationfor indoor device use,is used formeasurement of voltage and electric energy,relay protection in the AC circuit of rated frequency 50Hz as wellas other controldevicepower.(refer to figure 1 wiring diagram)
JDZ0)-3,6,10(Q)type single-phase double coil voltage transformer of epoxy casting insulation for indoor device use is used formeasurement of voltage and electric energy,relay protection in neutral non-direct earthing system of rated frequency 50Hz aswell asfor other control device power(refer to figure2 wiringdiagram)
Standard.IEC61869-3

GW5 outdoor MV isolating switch isused for three-phase AC 50Hz outdoor high voltage electrical equipment,used for the line toswitching under voltagepressed no load condition,and electrical isolation the maintenanced high voltage bus,circuit breakersand other electrical equipment and chargedhigh voltage line,canalso be used for the opening and dosing small capacitanceorinductance current.When the knife in the normal break position,can provide a insulation distance consistent with safetyrequirements.Widely used in 35~110kV substation