... create prosperity together.Specificationsfilter for screw air compressor (replacement for Atlas copco, Ingersollrand, Sullair, Fusheng) Technical data: 1) ... C.Driving mode: belt transmission;Startup mode: direct start under 11KW, and Y-Δ start above 11KW;Work power: 380V / 50HZ, 460V ... 1.5 Map models orders. Startup mode: direct start under 11KW, and Y-Δ start above 11KW;Work power: 380V / 50HZ, ...