Description:
YFRM6-12 inflatable switchgear stands out for its fully sealed stainless steel shell, modular expandability, and adaptability to extreme environmental conditions. Designed for long-term reliability and safety, it boasts a 30-year lifespan when operated under specified indoor conditions of 20℃. Its versatility allows for flexible configurations, meeting various power supply needs while complying with international for assured quality.ltem | Unit | C module | F module | V module | CB module | ||
Load switch | Combination appliance | Vacuum switch | Disconnect/ Earthing switch | Vacuum circuit bregker | Disconnect/ Earthing switch | ||
Rated voltage | KV | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 |
Power frequency withstand voltage | KV | 45/50 | 42/50 | 42/50 | 42/50 | 42/50 | 42/50 |
Lightning impulse withstand voltage | KV | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 |
Rated current | A | 630/630 | Note' | 630/630 | 1250/630 | ||
Closed loop breaking 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 | |||||
Breaking current of cable charging during earthing fault | A | 115/87 | |||||
Short circuit breaking current | KA | Note² | 20/16 | 25/20 | |||
Ability of closing and opening | KA | 63/52.5 | Note² | 50/40 | 50/40 | 63/50 | 63/50 |
Short-time withstand current 2s | KA | 25/- | |||||
Short-time withstand current 3s | KA | -/21 | 20/16 | 20/16 | 25/20 | 25/20 | |
Mechanical life | Time | 5000 | 3000 | 5000 | 2000 | 5000 | 5000 |