ATO Relays is a high-tech manufacturing leader dedicated to the custom design, engineering, and international distribution of industrial electronic relays. Drawing on more than fifteen years of manufacturing experience in China, ATO provides global original equipment manufacturers (OEMs) with reliable, safety-tested circuit protection components.

The company's product portfolio addresses both mechanical and solid-state switching needs. ATO’s Electromagnetic Relays feature insulated transparent shells, operating temperature ranges between -25°C and 55°C, and standard coil voltages of 12V, 24V, 110V, and 220V/240V. For advanced automation setups, ATO delivers contactless Solid State Relays (10A to 350A) with customized heat sinks, as well as slim PLC interface modules and multi-relay control boards.

With certified production standards and complete post-purchase technical support, ATO ensures total peace of mind for system integrators worldwide. Serving diverse export markets across North America, Europe, the Asia-Pacific region, and emerging global markets, ATO Relays continues to power industrial machinery, renewable energy installations, HVAC systems, and commercial electronics with cost-effective engineering excellence.