Product Description Use the LX033 to control the speed of your electric motor or brightness of a DC light bulb. Obtain low speed from a DC motor without sacrificing torque. The LX033 is a small assembled device with an on-board trim pot to control the pulse width modulator output. Has automatic voltage selection between 12 and 30 Volt operation. Large spades for ease of connection. Use crimp on or push on connectors (not supplied) or solder directly to the spades.