TB Wood's Simple Economy (SE1) and Simple Wireless (SW1) S-series of micro AC drives share a common set of parameters. The first 13 parameters meet 80% of users most common needs and make start-up for both drives fast and easy, says the company. For additional flexibility and functionality, another 26 parameters are available. SE1 is available from fractional to 5 HP and SW1 is available from fractional to 20 HP. They provide 115V, 230V and 460V models that deliver operating efficiency with 5:1 constant torque Volts/Hertz control for single or multiple motors.