The TE Connectivity / Products Unlimited Brand part 3100-30Q10999CG is an Electromechanical Relay designed for heavy-duty applications. It operates on a 24VAC input and has a contact resistance of 7 Ohms. This relay features a 3PST-NO-DM configuration, meaning it has three poles and is normally open. With a compact size of 95.25x75.44x76.2mm, it can easily be mounted on a panel for convenient installation. This contactor relay has a high current rating of 50A, making it suitable for various industrial and commercial applications.