12kV Withdrawable AC Metal-clad Switchgear

Summary
We provide universal solutions for withdrawable AC metal-clad switchgears. Our product is available for 3.6-12kV three-phase, AC power systems, with a rated frequency of 50/60Hz. It complies with the following standards: IEC62271-200 and IEC60694 GB3906.

Ambient condition
1.Ambient temperature: -10℃ ~40 ℃; daily average+ 35℃;
2.Altitude: ≤1000m;
3.Relative humidity: daily average ≤95%, monthly average ≤90%;
4.Earthquake intensity: ≤ 8 degree;
5.Safety and Contamination: keep free from flames, explosions, corrosive gases and severe vibrations.

Structure feature
1.The switchgear consists of a fixed cabinet and withdrawable parts (handcarts).The enclosure of the cabinet is made out of aluminum zinc coated steel plate, which is folded by CNC machine and assembled by bolts.
2.With electrostatic spray used on cabinet doors, the whole cabinet is made with high accuracy machining and its shock and oxidation resistance.
3.Each compartment is isolated from the others, such as the handcart compartment, busbar compartment, cable compartment and instrument relay compartment. Every compartment has a decompression channel and a cover board to ensure safe operation.
4.Safety interlocking is installed to prevent all unauthorized operations.