The Imatronic LDM115G/633/1 is a type of variable speed motor drive controller. It is designed for controlling 3-phase induction motors applications. The Imatronic LDM115G/633/1 can be used in a wide range of industrial and commercial applications, such as pumps, fans, conveyors and elevators. It features variable speed frequency control, soft start, dynamic braking and over-current protection. In addition, the Imatronic LDM115G/633/1 has open-loop and closed-loop speed/torque control, DC regeneration, braking resistor control, and numerous safety protections. This controller is easy to install and program, making it a reliable choice for any motor control needs.