24kV Indoor High Voltage Air Load Break Switch And Fuse Combination Apparatus
Key attributes
| Brand | ROCKWILL |
| Model NO. | 24kV Indoor High Voltage Air Load Break Switch And Fuse Combination Apparatus |
| Rated voltage | 24kV |
| Rated frequency | 50Hz |
| Series | FKRN |
Product descriptions from the supplier
Description
Description
FKRN24D when load break switch equip with high voltage current limited fuse(with striker), it comes into being load break switch and fuse combination apparatus,acting as protecting and control apparatus for transformers, cable and overhead wiring.
When a phase or multiphase fuse fusing, load break switch automatic brake three-phase. These series load break switch are especially applicable in rural,urban terminal substation and prefabricated substations, as well as ring network power supply.
Technical Parameter
| No. | Item | Unit | Data |
| 1 | Rated voltage | kV | 24 |
| 2 | Rated power frequency | Hz | 50 |
| 3 | Rated current | A | 630 |
| 4 | Maximum rated current(fuse) | A | 80 |
| 5 | Rated active load open circuit current, rated closed-loop open circuit current | A | 630 |
| 6 | Rated short-time withstand current(2s) | kA | 20 |
| 7 | Rated short circuit making current, rated peak withstand current | kA | 50 |
| 8 | 1min PF withstand voltage(phase to phase, phase to earth, across open contacts) | kV | 65/79 |
| 6 | Lightning impulse withstand voltage(peak)(phase to phase, phase to earth, across open contacts) | kV | 125/145 |
| 10 | Rated cable charging breaking current | A | 16 |
| 11 | Mechanical life | time | 2000 |
| 12 | Rated breaking transfer current | A | 1050 |
| 13 | Rated short circuit breaking current(fuse) | kA | 31.5 |
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