Ring Main Unit XGN15-12/24
XGN15-12/24 modular sulfur hexafluoride ring-network cabinet is a new generation of air-insulated, compact and expandable metal-enclosed female switchgear with sulfur hexafluoride switch as the main switch, which is suitable for power distribution automation. It has the characteristics of simple structure, flexible operation, reliable interlocking and convenient installation. It can provide satisfactory technical solutions for various applications and different user requirements.
The adoption of sensing technology and the most protective relay power supply, together with advanced technical performance and portable and flexible equipment scheme, can fully meet the changing needs of the market.
The main switch of XGN15-12/24 unit sulfur hexafluoride ring guard cabinet is ABB original SFG type SF load switch or domestic FLN48 and FLN36 type SF load switch, or ABB original VD4/S and HD4/S circuit breakers can be equipped according to the needs of good use.
XGN15-12/24 modular sulfur hexafluoride ring-network cabinet is applicable to AC 50Hz and 12kV power systems, and is widely used in industrial and civil cable ring-network and power supply terminal projects.
It is especially suitable for the following places: power distribution in urban residential areas, small secondary substations, switching stations, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, hospitals, stadiums, railways, tunnels, etc.
Normal Service Conditions
◎ Altitude ≤ 1000m (special requirements can be noted when ordering)
◎ Ambient temperature: - 25 ℃~+40 ℃
◎ The average daily relative humidity shall not exceed 95%; Average monthly relative humidity shall not exceed 90%
◎ Places without severe vibration and impact as well as fire, chemical corrosion and explosion hazards
Compliance With Standards
·IEC298 ·IEC265 ·IEC129 ·IEC694 ·IEC420 ·IBC56
·IEC529 ·IEC932 ·GB3804 ·GB3906 ·GB11022
Technical Parameters And Dimensions
|Rated lightning impulse withstand voltage||Phase to phase and phase to ground||kv||75125|
|Interfracture||kV||85 Doors 145|
|One minute power frequency withstand voltage||Phase to phase and phase to ground||kV||4265|
|Rated frequency Hz 50|
|Rated current||Main bus||[A]||630|
|Rated short-time withstand current||Main circuit||kA]||20 doors 1613s|
|Grounding circuit||kA]||20 doors 163s|
|Rated peak withstand current kA 50|
|Transfer current [A] 1750 gate 1400|
|Protection grade IP2x|
|The mechanical life of load switch is 2000 times|
|The mechanical life of grounding switch is 2000 times|
|Load switch cabinet||Cabinet width||rmm||375,500,750600(650)|
|Cabinet depth||rmm||917,940，9& 0/1125|
|Cabinet height||rmn||1635.1825 Gate 1950|
|LV room height mrn 350450|
|Circuit breaker cabinet||Cabinet width||rmrn||50|
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