The MY4NJ electromagnetic relay switch is a versatile control component designed for a wide range of electrical switching applications. This compact micro mini relay features a DPDT (Double Pole Double Throw) contact configuration, allowing you to control multiple circuits simultaneously with precision and reliability. The transparent epoxy-sealed housing protects internal components from dust and environmental factors while providing visual access to the relay mechanism. With voltage options ranging from DC 12V to 220V, this relay offers exceptional flexibility for integration into various control systems, automation projects, and electrical panels. The included socket base simplifies installation and replacement, while the built-in LED indicator provides instant visual confirmation of relay status. Its space-saving design makes it ideal for applications where panel real estate is limited, yet reliable switching performance is essential. Whether you're building control circuits, automation systems, or industrial equipment, this general-purpose relay delivers dependable operation. The time relay theory ensures consistent performance across demanding applications, making it suitable for both professional installations and DIY electronics projects.