11kv SF6 Ring Main Unit
11kv SF6 Ring Main Unit Service environment: a) Air temperature: highest temperature: +40℃; lowest temperature: -25℃ b) Humidity: monthly average humidity 95%; daily average humidity 90%. c) Altitude: Maximum installation height: 2500m d) Obviously there is no ambient air polluted by corrosive...
Description
11kv SF6 Ring Main Unit
Service environment:
a) Air temperature: highest temperature: +40℃; lowest temperature: -25℃
b) Humidity: monthly average humidity 95%; daily average humidity 90%.
c) Altitude: Maximum installation height: 2500m
d) Obviously there is no ambient air polluted by corrosive and combustible gases, steam, etc.
e) No frequent violent shaking
Item | C module | F module | V module | |
Load switch | Combined electrical apparatus | Vacuum switch | Isolated/ grounding switch | |
Rated voltage(KV) | 12/24 | 12/24 | 12/24 | 12/24 |
Power frequency withst and voltage(KV) | 42/50 | 42/50 | 42/50 | 42/50 |
Lightning impulse withst and voltage(KV) | 95/125 | 95/125 | 95/125 | 95/125 |
Rated current(A) | 630 to 1250 | 630 to 1250 | 630 to 1250 | |
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 | 20/16 | 20/16 | ||
Closing capacity | 63/52.5 | 50/40 | 50/40 | 50/40 |
Short-time withst and current 2s | 25 | |||
Short-time with stand current 3s | 21 | 20/16 | 20/16 | |
Mechanical life(time) | 5000 | 3000 | 5000 | 2000 |
Certifications
Package & Shipping
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