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 enclosure of the cabinet is made out of aluminum zinc coated steel plate, which is folded by CNC machine and assembled by bolts. With electrostatic spray on cabinet doors, the whole cabinet is made with high accuracy machining and its shock and oxidation resistance.
2. Each chamber is isolated from the others, such as handcart chamber, busbar chamber, cable chamber, instrument relay chamber. Every chamber has a decompression channel and a cover board to ensure safe operation.
3. Additionally, the cabinet is provided with various handcarts. Circuit breaker handcart, voltage transformer handcart, isolation handcart and metering handcart which are all available for you to choose.
4. Safety interlocking is installed to prevent all unauthorized operations.