The TE Connectivity / Alcoswitch brand part MSPS103B is a high-quality momentary push button switch with normally closed (N.C.) contact configuration. It features a single-pole, single-throw (SPST) design with a round plunger for easy activation. This versatile switch has a current rating of 0.5A at 125VAC, making it suitable for a variety of low-power applications. Designed for easy installation, the MSPS103B switch is equipped with solder lugs for secure connections and can be panel mounted for convenient use. Sold as a loose piece, this reliable switch offers reliable performance and longevity for your electronic projects.