Fixed Metal Enclosed Switchgear

HXGN15-12 modularized SF6 ring main unit is a new generation device, which takes SF6 switch as the main switch, provides the whole cabinet with air insulation, is applicable for distribution automation presents compact but also extension. It has visual features like simple structure, flexible operation, reliable interlock, convenience of installation, can show satisfying technical scheme whether on different application occasions or various customer's requirements.
The products is given more force due to application of sensing technique and the latest protection relay, in addition to advanced technical performance and flexible assembly scheme.
Basic technical parameters
Rated voltagei 12kV
Rated lightning impulse withstand voltagei Phase-to-phase as well as phase-to-earth 75KV, between open contacts 85KV
1min power frequency withstand voltagei Phase-to-phase as well as phase-to-earth 42KV, between open contacts 48KV
Rated frequencyi 50/60Hz
Rated currenti 630A Main bus 630A, branch bus 630A
Rated short-time withstand currenti 20/2S Main circuit 20/3S, earth circuit 20/2S
Rated peak withstand currenti 50KA
Transfer currenti 1700A
Protection leveli 1P2X
Mechanical life of load switchi 2000
Mechanical life of earth switchi 2000
Outline size (WA DA H)i 375a 500a 750x1000x1600a 1850mm
Protection leveli IP3X
Weighti 150~200kg