Essence offers Oriental-Japan make Speed control motors are motors that can have their speed changed. These brushless motors provide both excellent speed stability and wide speed control range. AC speed control motors can control the speed of the AC motors using simple functions. An inverter can easily control and speed of the three-phase induction motor. There are three product groups. o AC Speed Control Motors o Inverters o Brushless Motors AC Power Supply Input DC Power Supply Input Accessories • Cable, Speed indicator, etc..