Deltrol 21011-85 is a 375TM series three-pole double-throw (3PDT) relay with a 240V coil and a 30A contact rating, identified by the S155D variant. In a 3PDT configuration, it provides three Form C contacts, allowing three circuits to be switched from a single coil actuation. This compact relay is designed for control panels and automation equipment that require coordinated switching of multiple loads. The part number 21011-85 and the 375TM family designation help ensure compatibility within Deltrol's relay lineup.
