The Sullair TSR-32 rotary screw electric compressors are available in both fixed-speed as well as variable-speed drive models. While the fixed-speed model is rated at 1,440 cfm at 125 psi operating pressure, the variable-speed drive package offers the flexibility of 12 compressors built into one single package. It can be offered as a 200-, 250- or 300-hp model with a pressure range from 100 to 175 psi and capacities from 784 to 1,600 cfm.