Product Type: ZQA-400~3150/600~1500 Main Technical Parameters: output AC voltage: 600V, 750V, 1500V. output AC current :400A~3150A. Rectifying equipment is compose of rectifying traction dry type transformer and rectifier for traction substation. Rectifying equipment is 12-pulse rectifying or 24-pulse rectifying, which has less harmonic wave pollution to power network, the filter here could be omitted. Main Service Range: power supply system of metro subway and railway transportation.