ATO Relays represents a decade and a half of engineering experience in high-reliability circuit switching and power control. Operating from an advanced production base in China, the company integrates component-level R&D with custom OEM/ODM production. Designed to meet strict safety and durability benchmarks, ATO's electronic relays deliver stable performance across demanding industrial environments.

The brand’s flagship offerings feature semiconductor-based Solid State Relays (SSRs) alongside classic Electromagnetic Relays (EMRs). ATO’s SSR series includes single-phase and 3-phase models (DC-AC and AC-AC) rated up to 350A, featuring microelectronic signal isolation, high switching speeds, and integrated DIN rail heat sink assemblies. Complementing these are DPDT, 3PDT, and 4PDT electromagnetic switches, 24V DC slim interface relays for PLC cabinets, and multi-channel relay boards configured with 1NO+1NC or 2NO+2NC contacts for precise control logic distribution.

Backed by rigorous scientific testing and factory-direct pricing, ATO guarantees cost-effective performance without compromising safety or build quality. ATO Relays actively supports equipment manufacturers and commercial clients across North America, the European Union, East Asia, and South America, offering reliable pre-sales technical consultation and immediate same-day dispatch on stock items.