CT   type spring operating mechanism is suitable for indoor high voltage SF6 load switch of FLRN36-12D/T100-31.5 and FLN36-12D/630-20 and matching units with 12KV rated voltage. There are three working positions. They are closing, opening and grounding. The mechanism is easy to install with moderate size and good applicability Fuse may open while it breaks and shunt release could be installed

It complies with the technical requirements of GB3804-1990"AC high voltage switches for rated voltages from 3KV to 63KV" and GB16926-1997"High-voltage alternating current switch-fuse combinations"