Shaanxi Longxiang Electrical Co.,Ltd.
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ZN85-40.5 Truck Type Indoor High-voltage Vacuum Circuit Breaker

ZN85-40.5/T type indoor high voltage indoor vacuum circuit-breaker is used for switchgear KYN61-40.5(Z), it is most new type of power supply and distribution equipment.This product is accordance with GB1984-2003 stand
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● General Description
ZN85-40.5/T type indoor high voltage indoor vacuum circuit-breaker is used for switchgear KYN61-40.5(Z), it is most new type of power supply and distribution equipment.This product is accordance with GB1984-2003 stand. This series include: Vacuum circuit breaker truck,isolation truck and fuse truck.
Structural characteristics:
1.This vacuum circuit breaker adopts compound insulation;it can meet air distance and creepage under normal run condition, and it effectively reduces the dimension of VCB,the overall arrangement is reasonable and simple, with aesthetic appearance.
2.The operating mechanism is especially newly designed for this VCB,the outlet curve has good adaptation with requirements of vacuum interrupters.It has high reliable with characteristics of long life and easy maintenance and free-maintenance for operating mechanism.
3.This truck adopts screw rod nut push-in mechanism which can realize easy pushing-in or pushing-out from 
 
● Applying ambient conditions
1.Ambient temperature: -15℃~+40℃.
2.The height above sea level:≤1000 m(Not including special requirements) .
3.Relative humidity: the average humidity of a day should be no more than 95%.the average humidity of a month should be no more than 90%.
4.Saturated vapor pressure: the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
 
● Main Technical Specification
 
Longxiang
Longxiang
 
● Overall outline drawing
 
Longxiang
Longxiang
 
● Following information is required for order
1.For VCB
Full type name,rated current,rated short-circuit breaking current. 
Rated voltage of operating circuit 
The switchgear with or without earth switch
Name and quantity of spare parts and components
Other special requirements for VCB.
2.Isolation switch
Full type name and rated current 
3.For fuse
Full type, name and quantity.
Type and quantity of fuse
Is equipped with surge arresters and discharge counter 
For special requirements, please consult with manufacturer. 
 
● Typical wiring diagram of the second principle
 
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