The K3-1391B-51 manufactured by HRO parts is an electronic switch component that features a single pole double throw (1P2T) configuration. It measures 13.3mm*6.6mm and is made of RoHS compliant materials. The switch is a toggle type and can be used in a range of electronic and mechanical applications. This electronic component is designed to provide reliable switching, control, and protection functions for a variety of circuit connections.