Olfeld Overload Relays are essential components designed to protect motors and electrical equipment from excessive current and overheating. Acting as a first line of defense in motor control systems, these relays sense overload conditions and automatically disconnect power to prevent damage, extending the life of machinery and minimizing costly downtime.

Built to perform in demanding industrial environments, our overload relays support both thermal and electronic protection, with features like adjustable current settings, manual/automatic reset options, and trip indicators for precise diagnostics. Whether used in DOL starters or complex motor control centers, Olfeld relays deliver dependable, time-delayed protection suited for a wide range of motor ratings.

Each unit is engineered for easy installation and seamless integration with contactors, thanks to its compact DIN-rail or panel-mount design. The relays are calibrated for accurate current sensing and phase failure protection, ensuring compliance with global safety standards such as IEC 60947.

Ideal for sectors like manufacturing, HVAC, water treatment, and automation, Olfeld overload relays help you achieve enhanced system reliability, operator safety, and energy efficiency. When protection matters, trust Olfeld to keep your operations running safely and smoothly.