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.

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Product serial number

Distribution And Transmission 02

Category： Transmission and Distribution

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Product description

Summary
    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.

Main Purpose
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 voltage		kV	1224
Rated lightning impulse withstand voltage	Phase to phase and phase to ground	kv	75125
Rated lightning impulse withstand voltage	Interfracture	kV	85 Doors 145
One minute power frequency withstand voltage	Phase to phase and phase to ground	kV	4265
	Interfracture	kV	479
Rated frequency Hz 50
Rated current	Main bus	[A]	630
Rated current	Sub-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
	Cabinet depth	rmn	917，940，980
	Cabinet height	rmrn	1885