This type switch cabinet is metal-clad. Its structure design accords with the standards GB3906-91, IEC298, DL404 and DL402. The crust structure is made of steel plates by means of bending and welding, which are joined by bolts. The hand buggy panel is the door of cabinet. The bosom of switch cabinet is divided into a breaker chamber, a main bus bar chamber, a cable chamber and a relay chamber by metal partitions. The degree of protection of the entire crust and compartments is IP2X equally. All the metal structures are connected to ground reliably. All the compartments of main circuit system have pressure release channels for independent exhaust.
1. Metal-clad and fully enclosed structure, can prevent dirt and small animals from entrance.
2. Each small compartment in the Switchgear is separated and independent from each other.
3. Fast closing earthing switch is used for earthing and provides short-circuit current closing capacity.
4. All operations can be conducted when the door panel is closed, including breaker switching on and off, breaker trolley's drawing in or out, as well as earthing switch's switching on and off.
5. Reliable latch device is used to effectively prevent misoperation.
6. VCB trolley is maintenance free and the equipped Operating mechanism requires only a little maintenance. Good interchangeability of trolleys, very easy to replace circuit breakers.
7. Through the front and rear observation windows in the door panel, breaker's switching status, trolley position, mechanism energy stored status, earthing switch switching position and cable end connection status can be clearly viewed.
8. Secondary wire is laid in ample wire casing, neat and convenient for inspection.
9. Reliable FIVE-PREVENTION interlock can effectively prevent from mal-operation and entrance into energized compartments.
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