Through R&D, manufacturing, engineering, quality, sales and marketing, ATO Solid State Relays online shop offers DC control AC solid state relays —ones that span many sectors: automotive, industrial, consumer, computer, telecommunications, military, aerospace, and medical. Solid-state relays (SSRs) for sale at ATO.com are designed for high reliability, high input-to-output isolation, and low on-resistance. With a wide range of current and voltage ratings (10 to 120 A at 3 to 280 V DC ), making them suitable relays for many industrial applications such as motion, power, heating and lighting control, they offer many advantages compared to mechanical relays. Our SSRs are perfectly suited to replace mechanical relays and are the ideal solution for signal switching in telecommunications, industrial automation, security systems, and metering applications. Discover our single phase and three phase solid state relays today to understand the breadth of custom solutions we have delivered and how they can apply to your current design challenges.