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Description:
LW34-12/24 SF6 Load Break Switch is used in outdoor 12KV or 24kV three phase AC 50/60Hz power system to open and close load current and short circuit current. It accords with the standards of IEC60265 & GB/T3804 3.6~40.5KV High voltage AC load break switch, GB/T11022 High voltage switch apparatus and control apparatus.
Features:
| 1、Stainless steel panel have good antisepsis and seal performance. |
| 2、Light in weight and convenience for transit. |
| 3、Free maintenance. |
| 4、With anti-explode device. |
| 5、The switch can be locked automatically when the press is 0.03 to 0.07MPa. |
Techincal data:
| No. | Item | Unit | Data | ||
| 1 | Rated voltage | kV | 12/24 | ||
| 2 | Rated insulation level | Power frequency | kV | Across open contacts:49,phase to phase, phase to earth:42 | |
| 3 | Wet withstand voltage | kV | Phase to phase, phase to earth:34/50 | ||
| 4 | Impulse withstand voltage | kV | Across open contacts:85,phase to phase, phase to earth:75 | ||
| 5 | Rated power frequency | Hz | 50/60 | ||
| 6 | Rated current | A | 630 | ||
| 7 | Rated active load breaking current | A | 630 | Breaking 100 times | |
| 8 | Rated loop breaking current | A | 630 | Breaking 10 times | |
| 9 | 5% rated active load breaking current | A | 31.5 | Breaking 20 times | |
| 10 | Rated cable charging current | A | 10 | Breaking 20 times | |
| 11 | Rated short-circuit making current(peak) | kA | 50 | Making 5 times | |
| 12 | Rated short-time withstand current(4s) | kA | 20 | ||
| 13 | Rated peak withstand current | kA | 50 | ||
| 14 | Rated SF6 pressure | Mpa | 0.12 | ||
| 15 | Rated SF6 yearly gas leakage rate | ≤1% | |||
