1. FN12 Type Indoor 10KV 11LKV 12KV 630A Lbs Air Load Break Switch
FN12 load break switch is three phase high voltage switch apparatus, suitable for 12kV rated voltage, 50Hz rated frequency alternative current, It is mainly used in downtown power distribution station and industrial electric equipment of three phase ring main unit electricity circle or terminal power supply, for breaking and closing short circuit current.
2. Parameter data of Load breaking switch
| Technical Parameter of load switch with fuse |
| No. | Item | Unit | Parameter |
| 1 | Rated Voltage | kV | 12 |
| 2 | Max. Working Voltage | kV | 12 |
| 3 | Rated Frequency | Hz | 50 |
| 4 | Rated Current | A | 630 |
| 5 | Rated Power load switch-off current | A | 630 |
| 6 | 5% rated power load switch-off current | A | 31.5 |
| 7 | Rated capacity switch-off current | A | 10 |
| 8 | Rated inductance switch-off current | A | 40 |
| 9 | Rated transfer current | kA | 1.3 |
| 10 | Rated short-time withstand current | kA | 20 |
| 11 | Rated peak withstand current | kA | 50 |
| 12 | Mechanical endurance | cycle | 2000 |
3. Service condition of Load breaking switch
The altitude does not exceed 1000m.
The ambient air temperature: Highest:+40oC, the lowest:-10oC
The relatire Humidity of air not bigger 90% (around the 25oC envirenment)
The working situation have no conductivity dust.
The working situation have no corrosive gas of affect insulation and destroy metal.
The working situation without violent vibration and striking.
The working situation have no explosive danger and fire.
4. Technical drawings of Load breaking switch
5. Factory
6. Delivery
7. FAQ
1．Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
2. For tender cooperation, it is welcome to discuss the detail in between.
3. Some type reports are provided accordingly.
4. Our factory is 250000m2 for production and office.
5. 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.
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FN12 Indoor 10KV 11KV 12KV 630A LBS Air Load Break Switch Images
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