Product name:FLW34-12/24 SF6 Load Break Switch
Summary
Outdoor SF6 Insulation Load Break Switch is used in outdoor 12/24kV three phase AC 50/60Hz power system to open and close load current and short circuit current. It accords with the standards of IEC62 271-103 & GB/T3804: 3.6~40.5kV High voltage switches, IEC60694 & GB/T11022: High voltage switch apparatus and control apparatus.
Ambient condition
1. Altitude: 1000m;
2. Ambient temperature: -35 ~+40 ;
3. Relative humidity: daily average 90%; monthly average 95%;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should be free from inflammable, explosives and severe vibration.
Product feature
1. Stainless steel panel has good antisepsis and seal performance.
2. Light in weight and convenience for transit.
3. Maintenance Free.
4. With anti-explosive device.
5. The switch can be locked automatically when the press is 0.03 to 0.07MPa.
| 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 volatge | 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 100 times | |
| 9 | 5% rated active load breaking current | A | 31.5 | Breaking 100 times | |
| 10 | Rated cable charging current | A | 10 | Breaking 100 times | |
| 11 | Rated short-circuit making current peak | KA | 50/60 | Making 5 times | |
| 12 | Rated short-time withstand current 4s | KA | 20 | ||
| 13 | Rated peak withstand current | KA | 50 | ||
| 14 | Rated operating voltage controller | V | AC220 | ||
| 15 | Auxiliary loop rated voltage | V | DC24 | ||
| 16 | Mechanical lift | TIMES | 3000 | ||
| 17 | Opening life | YEAR | ≥15 | ||
| 18 | Rated SF6 pressure 25℃ | Mpa | 0.12 | ||
| 19 | Rated SF6 yearly gas leakage rate | ≦1% | |||
| 20 | Opening method | Spring operating manual motor | |||
| 21 | Weight | kg | 140 manual 195motor 200intelligent | ||
