For over fifteen years, ATO Relays has operated as a leading high-tech manufacturer and customized relay solution provider based in China. Dedicated to driving progress in modern industrial automation, power management, and smart circuit control, ATO combines advanced production standards with direct engineering expertise. Through comprehensive OEM and ODM support, ATO empowers global partners by tailoring electrical parameters, contact designs, and enclosure options from initial concept through final delivery.
The brand's robust product portfolio covers over thirty distinct series engineered for maximum operational safety and system stability. Featured within its lineup are high-performance Electromagnetic Relays available in DPDT, 11-pin 3PDT with silver alloy contacts, and 4PDT variants, alongside space-saving SPDT DIN rail interface relays and multi-channel relay modules. For high-duty cycle applications, ATO manufactures single-phase and 3-phase Solid State Relays (SSRs) handling load currents from 10A to 350A (3-32V DC input to 24-480V AC output). Equipped with optimized aluminum heat sinks and vibration-resistant DIN rail mounts, these contactless switches deliver spark-free, silent operation.
With complete international certifications and millions of standard components maintained in stock for immediate same-day dispatch, ATO offers rapid global delivery and uncompromised supply reliability. ATO Relays actively serves machine builders, system integrators, and commercial distributors across North America, Europe, the Asia-Pacific region, and Latin America with factory-direct value and dedicated technical support.
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