Power-io, Inc. specializes in designing, manufacturing, and selling electrical power switching products for various applications including industrial automation, vehicle applications, and alternative energy sectors. Their product range includes solid state relays, SCR thyristors, mosfet-based solid state relays, and din rail relay modules. They offer customized power control solutions using IGBT designs, mosfets, and solid state switching technology, with a focus on surge protection and high reliability. Power-io's products cater to commercial, military, aerospace, transportation, HVAC, and other industries, featuring advanced technologies like Maximum Surge Survival™ and ultra precise zero crossing for reduced EMI. They also provide custom control engineering services for sophisticated electrical power switching applications, with a commitment to high-speed, rugged, and industrially hardened designs.