ZN23-40.5/1600-25 Type Vacuum Circuit Breaker

ZN23-40.5/1600-25 series Vacuum Circuit Breaker is the indoor high voltage Switchgear with 40.5kV rated voltage , three phase AC     50HZ . It is mainly used for fixed type switch cabinet or substituting minimum oil circuit breaker in old-fashioned kinds,   also applies to protecting and controlling unit of mobile switching equipment. It is suitable for occasions with frequent  operation.     

Technical Standards

All the technical parameters of breaker completely satisfy the Standards Of GB1984 AC Hig hvoltage Breaker,  GB/T 11022 -1999 Common Specifications For High Voltage Switchgear 

and Controlgear Standards,  China Power Sector Standards DL403. Also meet the requirements 

of IEC62271-100,  IEC56 and other main industrialized country`s similar standards.

Testing

This Type vacuum circuit breaker have passed has passed following test to ensure the product`s

safe Operation.

Type tests : power-frequency withstand voltage tests ,  lighting impact withstand voltage tests,  ,  

temperature rising tests,  short-time withstand current tests ,  peak withstand current tests , short circuit breaking ability tests ,  mechanical lift tests, ect.

Routine test before out of factory: mechanical performance test  ,  power frequency withstand 

voltage tests of the main circuit ,  insulating property  tests on control and auxiliary circuits , measurement of ther resistance of the main circuit ,interlock operating tests ,  mechanical operating 

tests,  Electrical Equipment operating tests.

Product Categories : Vacuum Circuit Breaker > 40.5kV Vacuum Circuit Breaker