Truck Type Indoor High-voltage Vacuum Circuit Breaker
ZN85-40.5/T type indoor high voltage indoor vacuum circuit-breaker
is used for switchgear KYN6140.5(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.
1. This vacuum circuit breaker adopts compound insulation;it can
meet air distance and creepage under normal run condition,and it
effectively reduce 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
3. This truck adopts screw rod nut push-in mechanism whitch can
realize easy pushing-in or pushing-out from panel,compulsive
mechanical interlock way is adopted,meet the"Five Preventions"function;suitable for varies sit and the working sites which have
rigorous run condition.
Applying ambient conditions
1. Ambient temperature:-15~+40ºC.
2. The height above sea level:≤1000m(besides the special
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
4. aturated 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.
5. Earthquake intensity:not exceed 8 degrees.
6. It should be installed in the places without
fire,explosion,serious filth, chemical erosion and violent