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SF6 gas-insulated switchgear
SF6 gas-insulated switchgear
1. Description:
SF6 compact co-cabinet gas insulated switchgear (GIS) adopts modular design to meet end user's or network node's requirement, and requirements of electric distribution switch station, box substation and cable branch box. It is structure-tight, safe and reliable, long-life and maintenance free.
| Item | C module | F module | V module | CB module | ||
| Load switch | Combined electrical apparatus | Vacuum switch | Isolated/ grounding switch | Vacuum circuit breaker | Isolated/ grounding switch | |
| Rated voltage(KV) | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 |
| Power frequency withst and voltage(KV) | 42/50 | 42/50 | 42/50 | 42/50 | 42/50 | 42/50 |
| Lightning impulse withst and voltage(KV) | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 |
| Rated current(A) | 630/630 | Note1) | 630/630 | 1250/60 | ||
| Breaking capacity | ||||||
| Closed-loop open circuit current(A) | 630/630 | |||||
| Cable charging breaking current(A) | 135/135 | |||||
| 5%rated active load breaking current(A) | 31.5/- | |||||
| Earthing fault breaking current(A) | 200/150 | |||||
| Earthing fault cable charging breaking current(A) | 115/87 | |||||
| short circuit breaking current | Note2) | 20/16 | 25/20 | |||
| Closing capacity | 63/52.5 | Note2) | 50/40 | 50/40 | 63/50 | 63/50 |
| Short-time withst and current 2s | 25/- | |||||
| Short-time with stand current 3s | -/21 | 20/16 | 20/16 | 25/20 | 25/20 | |
| Mechanical life(time) | 5000 | 3000 | 5000 | 2000 | 5000 | 5000 |
