This vacuum disconnect load break switch and fuse combination apparatus is suitable for 35Kv substation. It is especially suitable for no power-supply area. This indoor vacuum load break switch features small volume and convenient installation. It is easy and safe for changing the fuse.
Technical Parameters
Item | Combination apparatus | Load break switch |
Rated voltage | 40.5kV | 40.5kV |
Rated current | 50A | 1250A |
Rated frequency | 50/60HZ | |
Rated short-circuit breaking current | 20kA | / |
Rated short-circuit making current | / | 40kA |
Rated peak withstand current | / | 40kA |
Rated short-time withstand current | / | 16kA |
Rated transfer current | 2000A | / |
Rated connect current | 2000A | / |
Rated active load breaking current | / | 1250 |
Rated short-circuit duration | / | 4s |
1min P.F withstand voltage | phase to phase, to earth 95Kv, gaps115Kv | |
Lightning impulse withstand voltage | phase to phase, to earth 185Kv, gaps215Kv |
As an experienced indoor vacuum load break switch manufacturer and supplier in China, we understand the importance of product quality. Our break switches, circuit breakers, wind turbine generators and other products have been certified by KEMA, GOST, CCC, TUV, WTGS and CB, so they are safe for use. At present, our products have been exported to more than 30 countries and regions, such as America, Germany, Russia, Iran, South Africa and Argentina. If you are interested in our products, we welcome you to contact us!