GW28-550/4000

The conducting parts of main blade of type GW28-550/4000 disconnectors are fully of aluminum alloy. Moving contact and fixed contact adopt plug-in construction. While closing operation, the fixed contact stick is inserting into the rose-type moving contact finger. At the same time, it sets up auxiliary moving and fixed contacts to ensure the reliability of live products long-time operating. Compared with other form disconnectors, it has good current conducting capacity, reliable operation, strong antiseptic, antirust function and excellent mechanical performance.