Complaint
The main switch of XGN15-12 sulfur hexafluoride ring network cabinet is FLN36-12 and FLN48-12 SF6 load switch. it can also be equipped with VS1, VD4/ S, ISM vacuum circuit breaker or HD4/ 55 SF6 circuit breaker according to the needs of users. Load switches and circuit breakers can be operated manually or electrically, and distribution automation can be realized with electric operating mechanism, PT, CT, FTU and communication devices.
Working environment
| ITEM | UNIT | XGN15-12(F)/630-20 | XGN15-12(F.R)/T125-31.5 |
| Rated voltage | KV | 12 | 12 |
| Rated current | A | 630 | 125 |
| Rated frequency | Hz | 50 | 50 |
| Rated frequence withstand voltage | KV | 42/48 | 42/48 |
| Rated impulse withstand voltage | KV | 75/85 | 75/85 |
| Rated mainly acnive load breaking current | A | 630 | |
| Rated closed-loop distribution circuit current | A | 630 | |
| Rated short-circuit making current(peak) | KA | 50 | 80 |
| Rated peak withstand current | KA | 50 | 50 |
| Rated short-time withstand current | KA | 20 | 20 |
| Rated duration of short circuit load break switch | S | 4 | 4 |
| Rated SF6 gas pressure(20ºC gauge) | MPa | 0.04 | 0.04 |
| Loop resistance | μΩ | <=200 | <=400 |
| Mechanical endurance load break switch/ earthing switch | KA | 5000/3000 | 5000/3000 |
| Rated short-circuit breaking current | KA | 20/50 | 31.5/50 |
| Rated transfer current | A | 1750 | |
| Degree of protection | IP4X | IP4X |
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