The SSSU015100 is a vertical 1-pole 3-position slide switch manufactured by ALPS. It has a switching travel of 9 millimeters (0.35 in) and is operated by pushing it up, down, or keeping it in the middle position. The slide switch is able to toggle between on, off, and middle, and is commonly used to control power, volume, or functions on electronic devices. It is rated at 5A at 125 VAC or 0.3A at 125 VDC. It comes with 4 solder lug terminals and is suitable for operation in temperatures range between -30°C to +80°C.