ZN28A-12 Series of Indoor HV Vacuum Circuit Breaker
ZN28A-12 fixed type indoor HV vacuum breaker is used for many kinds of switchgear like GG-1A(F),XGN2-12(Z).It is widely used for 12kV voltage systems which is accordance with GB1984-2003 standards Structural characteristics
keyword:
category:
INDOOR 12KV HIGH VOLTAGE VACUUM CIRCUIT BREAKER

tel:
ZN28A-12 Series of Indoor HV Vacuum Circuit Breaker
● General Description
ZN28A-12 fixed type indoor HV vacuum breaker is used for many kinds of switchgear like GG-1A(F),XGN2-12(Z).It is widely used for 12kV voltage systems which is accordance with GB1984-2003 standards
Structural characteristics:
1.This vacuum circuit breaker adopts air insulation,it can meet air distance and creepage under normal run condition.
2.The operating mechanism can use CD10,CD17A,CT19A or CT17G type mechanism,the outlet curve has good adaptation for the requirements of vacuum interrupters.It has high reliable with characteristics of long life and easy
● 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


● Overall outline drawing of Vacuum cirwit breaker


● Following information is required for order
Full type name,rated current,rated short-circuit breaking current,distance between phases.
Name and quantity of spare parts.
Matched switchgear type (XGN2/GG1A) .
For special requirements,please consult with manufacturer.
previous page
Related products
Using the Longxiang switch to share national invention patents
ONLINE MESSAGE
*Note: Please make sure to fill in the information accurately and maintain smooth communication. We will contact you as soon as possible