1. FN5 type indoor 3 phase 7.2kv 10kv 11kv 12kv gang operated load break switch with fuse
FN5 type indoor 3 phase 7.2kv 10kv 11kv 12kv gang operated load break switch with fuse .It is designed and developed by our own company by bringing in international advanced technology, considering our own country's specific power supply. It performances meet IEC420 AC H. V. Load Switch with Fuse(1990 Edition) and GB3804 3-63kV AC H. V. Load Switch after strict test and long - time operating. Compared to the product of the kind in the foreign country, its technical parameter has reached the international level with the featrues of small volume and light weight.
2. Product parameter
|Max. working voltage||kV||12.7|
|Rated current||A||400 630|
|Rated short-time withstand current||kA/s||12.5/4 20/2|
|Rated peak withstand current||kA||31.5 50|
|Rated short-circuit switch-off current||A||400 630|
|Rated power load switch -off current||A||400 630|
|5% rated power load switch-off current||A||20 31.5|
|Rated capacity switch-off current||A||10|
|Rated inductance switch-off current||A||40|
|Rated transfer current||kA||1.3|
|1min power frequency withstand voltage to groundinterphase/isolation break||kV||12/48|
|Lighting impulse resisting voltage (peak) to groundinterphase/isolation break||kV||75/85|
3. Application of load break switch
- Suitable Altitude: 1000m ~ 4000m
- Suitable Temperature: -40℃ ~ +45℃
- Relative Humidity: Daily mean ≤95%, monthly mean ≤90%
- No conductivity dust.
- No insulation object with devastating metal and corrosive gas.
- No violent vibration and striking.
- No explosive danger and fire.
4. Photo and drawing of load break switch
5. Factory strength
6. Delivery diversification
1. Our factory is 250000m2 for production and office.
2. There are four subsidies in our group company. So our whole group company can produce switchgear, power transformer, load break switch, disconnect switch, vacuum/sf6 circuit breaker, fuse, surge arrester, CT PT, Metering unit.