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GIR 12/17.5/24kV Gas Insulated Ring Main Units

GIR 12/17.5/24kV Gas Insulated Ring Main Units
company Xiamen Minghan Electrical Co., Ltd.
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Update2010-12-30
Original RegionChina
GIR 12/17.5/24kV Gas Insulated Ring Main Units
GIR 12/17.5/24kV Gas Insulated Ring Main Units

1.Structure and Features:
SF6 gas insulated
Sealed gas tank by 3mm stainless steel
Totally enclosed and insulated main busbar and cable terminal
Outdoor service, maintenance free
Interlocking system
High degree of protection against adverse and polluted circumstance
Vacuum circuit breaker(Optional)
Power automation system(Optional)
Dimensions:
   H(mm): 1380
   W(mm): 350
   D(mm): 800
2.Technical data:
Standardized by GB/IEC
Rated voltage: 12/17.5/24kV
Rated frequency: 50/60Hz
Rate current Load switch:630A
               Vacuum switch:630A
               Load switch with fuse:100A
               Vacuum circuit-breaker:1250A
Transfer current of load switch with fuse: 1600A
Degree of protection: IP67
Pressure of gas cell: 1.4bar
Gas leak: 0.2‰/Year

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