Structure & Functions
SF6 air-insulated ring main unit;
Metal sealed, fixed type;
Sealed gas tank by 3mm thick stainless steel;
Totally enclosed and insulated bus bar and cable terminal;
Outdoor service, maintenance free;
Interlocking system meeting “five-prevention” requirements of HV cubicle;
High degree of protection against severe environment;
Intelligent outdoor ring main unit system;
Circuit breaker and load switch combined system;
Passive protection;
External dimension:
Height:    1336mm    1460 mm    1806 mm
Depth:    751mm    820 mm     
Width:    325mm    696 mm     

Main technical parameters
Standards: GB/ IEC
Rated voltage: 12KV    Rated frequency: 50Hz
Rated current:Load switch unit: 630A &n