The main performance characteristics of inflatable cabinet accessories:

1. Metal deionized arc extinguishing is to use an arc extinguishing gate to elongate the arc path, so that the arc cools, and extinguishes the arc when the current exceeds zero, with a compact structure and a small number of parts.

2. By adjusting the number of extinguishing grids, the spacing of arc extinguishing grids and the material of arc extinguishing grids. the distance between the dynamic contact and the arc extinguisher gate is sought, so that the rated transfer current breaking capacity of the load switch reaches 1700A, which reaches the level;

3. The transfer current represents the severe breaking ability of the load switch, and in a certain sense, the transfer current directly reflects the electrical performance of the switch;

4. The operating mechanism has an independent load switch operation shaft and a grounding switch operating shaft, and there is a reliable interlock mechanism between the two shafts to prevent the load switch and the grounding switch from closing at the same time. Mechanical life up to 5000 times;

5. With load switch opening and tripping function: in the fuse combination cabinet, when any phase fuse is fused, its impactor should make the load switch reliably open, at this time, the load switch cannot be closed and cannot be kept in the closed position. Find out the cause, replace the fuse, and restore the operation function;

6. Electric operating mechanism: On the basis of the original manual operating mechanism, a set of motors and accessories is added, which can be expanded into an electric operating mechanism;

7. It is strictly forbidden to insert the operation handle into the operation hole during electric operation, otherwise the electric operation will not be possible (there is a relevant interlock). The grounding switch can only be operated manually, and there is no electric operation mode;

Inflatable cabinet accessories - related performance characteristics of contact systems:

1. The switch contact system adopts silver and graphite alloy with strong anti-fusion welding ability, which effectively prevents the contact from being melted weld during a short circuit and ensures the breaking and closing ability of the switch;

2. There is a desiccant and stabilizer AL2O3 in the gas box, which promotes the accelerated reduction of SF6 gas and keeps the gas box dry, and maintains the environment of switch operation;

3. The optimized design of the electric field of the gas chamber greatly improves the insulation strength, and it can still operate normally under the state of zero gauge pressure;

Inflatable cabinet accessories - introduction to the related properties of copper busbar:

In order to optimize the electric field distribution in the gas box, the main bus is designed as a rectangular copper bar (40*8) with R5 rounded corners, and the combined electrical circuit bus is a medium 1 0 copper rod. For the parts of the local electric field tip that may be caused, such as the bus wire connection and fixation, metal shields are installed to uniform the electric field and improve the insulation strength;

Inflatable cabinet fittings - sealing technology for the cabinet:

The cabinet is manufactured using modern German through-block laser cutting machines for sheet blanking, bending, and welding with welding robots. In the welding project, a positioner is used for coordinated control to ensure that the welding of the large common box ring network cabinet is completed at one time. The inlet and outlet line sleeve is sealed with an O-ring or lip sealing ring and coated with silicone grease on the mounting surface.