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ZN23-40.5 Truck Type Indoor HV Vacuum Circuit Breaker
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● General Description
ZN23-40.5 series indoor high voltage vacuum circuit breaker is used for many kinds of switchgears like JYN1-35 and GBC-35 etc.It is widely used for 40.5kV voltage systems which is accordance with GB1984-2003 standards.This series of VCB include:Vacuum circuit breaker truck,isolating truck and PT truck.
1.This vacuum circuit breaker adopts air insulation; it can meet air distance and creepage under normal run condition.
2.The operating mechanism use CT19N type mechanism,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.
● Applying ambient conditions
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
5.Earthquake intensity:not exceed 8 degrees.
● Main Technical Specification
● Overall outline drawing
● Following information is required for order
Full type name,rated current,rated short-circuit breaking current,distance between phase.
Rated voltage of energy-stored motor and operating circuit.
Name and quantity of spare parts and components.
Other special requirements for VCB.
Full type name and rated current.
Full type, name and quantity.
Type and quantity of PT.
Type and quantity of fuse.
For special requirements,please consult with manufacturer.
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