This versatile miniature electromagnetic relay switch combines compact design with reliable performance. The HH series relay features a universal socket base compatible with MY2NJ/3NJ series, making installation and replacement straightforward. Built with durable epoxy encapsulation, this relay ensures stable operation and excellent insulation properties. The integrated LED indicator provides clear visual feedback of the relay's operational status, simplifying troubleshooting and monitoring. Supporting a wide voltage range from 6V to 220V AC/DC, this general-purpose relay is ideal for various low-power switching applications. Its space-saving design makes it perfect for installations where real estate is at a premium, while maintaining robust electromagnetic switching capabilities. The relay's construction focuses on reliable contact performance and long-term durability, making it suitable for industrial control systems, automation equipment, and general electrical switching applications. The included base provides secure mounting and easy wiring connections, ensuring stable operation in various installation environments.