Box-Type Fixed Metal Enclosed

Box-Type Fixed Metal Enclosed Switchgear ?Box-Type Fixed Metal Enclosed Switchgear adopt SF6 switch as a main switch, be new unitization ,modularization SF6 air-insulated ring net cabinet. It?s suitable for distribution automation , compact and extensible metal-enclosed switchgear. ?The switchgear has advantages including a simple structure, flexible operation, easy installation and reliable interlock ,etc. Also provides satisfactory technical solutions to meet different requirements. ?HXGN-12 AC metal-enclosed ring main unit is suitable for ring network or terminal power supply systems with power levels of 12kV 3-phase AC 50Hz and used for power acceptance, distribution, overload and short-circuit protection, especially applicable for oil-free and maintenance-free places with frequent operation. ? ?Technical parametersElectrical CharacteristicsRated ?votlageUrKV7.*.*Insulation levelInsulationUd50/60 Hz, 1 min (kV r ms)*IsolationUd50/60 Hz, 1 min (kV r ms)*InsulationUp1.2/50 ?s (kV peak)*IsolationUp1.2/50 ?s (kV peak)*Breaking capacityTransformer off loadA16Cables off loadA31.550Rated currentA400-630-*-1250short-time withstand currentIk/tkkA/1s ? ? ? ? ? ? ? ? ? ? ? *-*-*-*.5400-630-*-1250Making capacity (50Hz)ImakA ? ? ? ? ? ? ? ? ? ? ? ? 62.5630NA*.*-630

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