The IDEC RU4S-M-A110 is an electromechanical relay designed for general purpose applications. This relay operates at 110/120VAC and has a resistance of 4.55KOhm. It features a 4PDT configuration and can handle a maximum current of 6A. The compact size of 27.5x21x41.6mm makes it easy to integrate into various systems. This relay is commonly used in industrial automation, control systems, and power distribution. It comes with a socket for easy installation and maintenance.