OMRON H3YN-4-B-AC24 Timer Relay

The OMRON H3YN-4-B-AC24 (H3YN-4-B-AC24) is a compact multi-range timer relay designed for sequence control, process timing, and automated switching across industrial automation environments. Operating with a 24 VAC supply voltage, this H3YN series timing relay provides reliable delay and cycle management for machinery, motor control circuits, packaging lines, and assembly systems. It serves as an essential timing and switching element within electrical control cabinets, interfacing seamlessly with contactors, PLC outputs, sensors, and auxiliary relay banks. Built to support routine maintenance, equipment retrofits, and urgent component replacement, the unit facilitates dependable operation in diverse factory automation systems. Typical applications include conveyor indexing, pump staging, automated packaging sequences, machine tool safety interlocks, and general panel-based delay switching. By delivering stable timing accuracy and durable electrical performance, the H3YN-4-B-AC24 ensures smooth process coordination and minimal production downtime in continuous manufacturing operations.