The S9-M series three-phase oil-immersed transformer adopts afully oil-flled,sealed corrugated oi tank.and the oil tank shell adapts tothe expansion performance of the oil withits own elasticity and meets the heat dissipation requirements.It has the characteristicsofhighefficiency and low loss,which can save a lot of power consumption and operating costs,and iswidely used in power plants,substations,industrial and mining enterprises,ports,airportsand other environmental protection places CStandard:IEC60076-1,IEC60076-2,IEC60076-3,IEC60076-5,IEC60076-10.

ZN63(VS1)-12S indoor AC MV vacuum circuit breaker is a three-phase AC 50HZ indoor switchgear with a rated voltage of 12KV.It canbe used in industrial and mining enterprises,power plantsand substations for thecontrol and protection of electical facilities and issuitable for placeswith frequent operations.
Standard:IEC 62271-100

ZN63(VS1)-12P indoor AC MV vacuum circuit breaker is a three-phase AC 50HZ indoor switchgear with a rated voltage of 12KV.It canbe used in industrial and mining enterprises,power plantsand substations for thecontrol and protection of electical facilities and issuitable for placeswith frequent operations.
Standard:IEC 62271-100

ZN63C-12 seiesindoor ACMVwacuum dicuit breaker (hereinafter refemedto as drouitbreakeris anindoor switcdhgear with three-phase AC 50Hz and rated woltage of 12K,which can be used for the control and protection of electrical facolitiesin industrial andmining enterprises,power plants and substations it s suitable for places ith fiequent ope ations.
c The drouit breaker adopts an integrated deign of the operating mechanism and the dicuit breaker body,and is used as a foved installation unit c Standard:IEC62271-100

The ZN63M-12 wacuum circuit breaker adopts a permanent magnet operating mechanism,which is used to open and close various types of electric loads.It is suitable for occasions that operate frequently within the working current range andhave certain requirements for the numberof short-circuit breakingoperations.
C Standard:IEC 62271-100

1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln

ZW32-12 outdoor MV vacuum circuit breaker is the outdoor distribution equipment with rated voltage 12KV,three phase AC 50Hz It is used in substation and industrial and mining enterprises distribution system for protecting and controlling use.It is also used in rural power grid places with frequent operation for breaking and dlosing the load current and over load curent and short circuit current of power system.