Rated for 18 to 1 HPOnOff switch, speed potentiometer, and line fuse mounted on operator's control panel.1% speed regulationPermanent magnet motorsC-Face motor mountTotally enclosed, non-ventilated (TENV) and (TEFC) Totally enclosed, fan-cooled versionsEasy installation with no wiring between controller and motorInexpensive installation, just bolt motor in place and wire to AC lineOne piece construction -- motor, controller and operator controls all assembled as one easy to install unit.150% maximum torque.