HBXGN2 12 Energy Saving Eco Friendly Gis Ring Main Unit

قابل للتخصيص

The HBXGN2-12-630/20 energy-saving and environmentally-friendly ring main unit – circuit breaker cabinet is an eco-friendly switchgear independently developed by our company based on the development trends of the power industry and our years of experience in distribution network field service and design & construction.

نظرة عامة على المنتج

The HBXGN2-12-630/20 energy-saving and environmentally-friendly ring main unit - circuit breaker cabinet is an eco-friendly switchgear independently developed by our company based on the development trends of the power industry and our years of experience in distribution network field service and design & construction. It is designed to provide high-quality, environmentally-friendly products for China's distribution networks by digesting and assimilating domestic and international technologies and design concepts. This product features reasonable design, reliable power supply, compact structure, easy installation, flexible operation, small size, and high cost performance. It is suitable for three-phase AC 50Hz distribution systems with a rated voltage of 12kV and is especially suitable for small secondary substations, switches, industrial and mining enterprises, urban residential areas, airports, railways, tunnels, and high-rise buildings as equipment for receiving and distributing electrical energy.

Suitable locations: Distribution centers of smart grids, urban distribution networks, building complexes, industrial enterprises, and box-type substations.

Technical features: Upholds a green and environmentally-friendly design concept in both concept and approach.
Market prospects: SF6-free or low-SF6 switchgear represents the future trend of technological development.

المعايير الفنية

Project وحدة Circuit breaker unit Load switch unit
الجهد المقننكيلو فولت12
التردد المقدرHz50
التيار المقننأ630
Power frequency withstand voltageكيلو فولتGround and phase to phase
Between fractures
42
48
Lightning impulse withstand voltageكيلو فولتGround and phase to phase
Between fractures
75
85
Rated short-time withstand current and durationkaMain circuit
Grounding circuit
20/4s
17.4/2s
تيار التحمل الذروي المقدرkaMain circuit
Grounding circuit
50
43.5
Rated short-circuit making current (peak)ka50
Rated short-circuit breaking currentka20/
Rated short-circuit breaking current breaking timesTimes30/
Rated operating sequenceO-0.3S-CO-180S-CO
Rated cable / line charging breaking testC2 level/
Out of phase grounding fault breaking currentka17.4/
Rated active load breaking currentأ/630
Rated closed-loop breaking currentأ/630
Rated cable charging and breaking testأ/10
5% Rated active load breaking currentأ/31.5
Closing times of grounding switch5
回路电阻 Loop resistanceμΩ≤ 140
Rated gas pressure (20 °C gauge pressure)MPa0.02
Mechanical lifeTimesvacuum switch
Isolating switch
Earthing switch
10000
3000
3000
Degree of protectionShell
Gas box
IP4X
IP67
Operating power supplyفيAC220/DC220/DC110/DC48/DC24
Rated annual air leakage rate%≤ 0.1
Cabinet size (single circuit)mm420×822×1420
Withstand internal arc faultkA/s20/0.5
Moisture content in dry airppm≤ 150

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