Schneider Electric 8501X040 AC Control Relay Open Type

Schneider Electric's Harmony 8501XO40V02 open-type NEMA control relay (Type X) delivers rugged, modular AC control with four normally open contacts and a 10 A resistive rating at 600 VAC. The coil is specified for 110–120 VAC at 50/60 Hz, making it compatible with common North American control circuits, and it uses screw-clamp terminals for secure wiring. This open-type relay is designed for machine-tool and automation-panel applications, enabling straightforward expansion within the 8501 Type X family and easy integration with other Harmony components. Typical uses include switching motors, solenoids, heaters, and other line-voltage loads in conveyors, presses, and process equipment where isolated control of higher-voltage AC is required. With four NO contacts, it provides flexible wiring options for control logic, and its rugged construction aligns with demanding industrial environments while maintaining modularity for scalable control schemes. The 8501X family emphasizes compatibility with the broader Harmony lineup, offering a reliable, open-type solution for configuring control circuits that demand durable performance and straightforward wiring.