Crydom is the world leading manufacturer of Solid State Relays. We manufacture and sell two of the most renowned brands of solid state relays, Crydom and Crouzet. Our product offer includes thousands of catalog off-the-shelf items, as well as custom-designed solid state relays and related products. Crydom is a brand of Custom Sensors & Technologies (CST). Our more than 40 years of experience providing top notch switching solutions and support make Crydom the indisputable global expert in solid state relay technology and preferred choice of companies all over the world.