The STRUTHERS-DUNN W134MPCX-2 is a miniature mercury reed relay, known for its high sensitivity and reliability in switching applications. These relays utilize a mercury switch, offering a unique and robust solution for various industrial and commercial uses. They are available with different coil voltages and configurations, including DPDT options. It's important to allow a minimum of 30 seconds after mounting for excess mercury to clear from the contacts before use. Consult factory for non-standard schematics and pin-outs.