TE Connectivity 1393128-3 is part of their DT Series of connectors. This series of connectors is designed to provide a reliable and durable connection for heavy-duty applications in harsh environment conditions. The 1393128-3 connector is a plug connector, meaning that it is designed to fit into an accompanying receptacle. They are typically used for industrial equipment, and can be used for power, signal, and data applications, depending on the number of contacts and gender of connector. The 1393128-3 has 4 contacts, a keying arrangement, a M22 x 1.5 thread, and a 1-161 wire/cable size range. It is also compliant with the European Union's Restriction of Hazardous Substances (RoHS) directive.