The SWT-10 is a 10-dial rotary encoder switch produced by Curtis Instruments Inc. It forms part of their family of rotary encoder switches, which are used in a variety of applications to control the action of a device such as a motor, actuator, or a machine tool. The dial rotary switch is a multi-position electronic switch that is used to provide control over a variety of functions such as speed control, direction control, switching between multiple sets of parameters and data entry. The SWT-10 dial rotary switch is constructed from an opaque black plastic and features 10 sets of switches arranged in a circular format. The switches are housed in a circular hub that allows for turning the switch to select a particular setting. The switch has a reliable mechanism that prevents the switch from bouncing, which ensures accuracy of selection. The SWT-10 dial rotary switch also offers flexibility as it can be adjusted in both clockwise and counterclockwise directions. Furthermore, the switch has a 10-pole output, enabling it to be used in multiple sets of circuits.