Zw32-12 12kv 11kv Spring Mechanism Outdoor Vacuum Circuit Breaker
Company Introduction:
New Concept Electric Inc. was founded in October 2001, with a rigistered capital of 57 million Yuan. The company now covers an area of 77,601 square meters (116 acres), and has a plant area of 20,000 square meters. It is a national high-tech enterprise that specializes in the research and development, manufacturing, sales and service of intelligent medium & high voltage switchgear. Also the company is a leading manufacturer for solid insulated switchgear in China.
Certifications shown below:
ZW32-12 Type outdoor AC high voltage vacuum circuit breakers are used in outside distribution system with rated voltage of 12kV and three phase AC frequency 50Hz. It is used for open and close overload current and short-circuit current in electric system. It is adaptable for control and protection functions in substation and industrial and mining enterprises, and also countryside electricity system. It can also be used as seperate switch, and by adding controller, achieve automation in distribution system.This product conforms to IEC60044-1, IEC60060, IEC60068-2, IEC60099-4, IEC60255-27, IEC60270, IEC60280.1, IEC60529, IEC60694, IEC60815-1, IEC60870-5-101, IEC61000-4, IEC61243-5, IEC62271,
standards, etc.Major Technical Parameters are shown below:Rated voltage | 12 kV |
Rated current | 630 A |
Rated frequency | 50 Hz |
Rated short-duration (1 min) power frequency withstand voltage | 42/48 kV |
Rated short-circuit breaking current | 20 kA |
Rated short-duration withstand current (4s) | 20 kA |
Rated lightning impluse withstand voltage(to earth/break) | 75/85 kV |
Rated short-circuit making current (peak value) | 50 kA |
Rated peak withstand current | 50 kA |
Rated short-circuit current breaking times | 30 times |
Mechanical service life of vacuum circuit breaker | 10,000 times |
Second circuit 1 min power frequency withstand voltage | 2 kV |
Should you have any question about this product, please feel free to contact us.
We are looking forward to co-operations with customers from all over the world!