FEN36-12D is the main switch in the ring main unit. It complies with technical requirements of IEC 420,694 and 129, GB3804-2004"High-voltage Alternating-current Switches for Rated Voltage above 3.6 KV and less than 40.5 KV " , CB1985-204"High-voltage Alienating-current Disconnectors and Earthing Switches".GB/T11022-1999"Common Specifications for High-voltage Switchgear and Controlgear Standards"

FLN36-12D is a switch with closing,opening and grounding function.0.05 MPa SF6 gas is filled into the epoxy shell with strengthening structure to realize these three functions with the least parts, which guarantees the quality and

improve reliability.It is maintenance-free and could run for 20 years safely in the normal condition