Manufacturer Part #DT06-4S-CE02 PLG, 4P, BLK, E, Rectangular industrial, Connectors, socket contacts, wire connector, Power plug, rectangular connector housings, Header plugs, Pin headers https://www.futureelectronics.com/p/interconnect--pin-and-socket-connectors--header-plug-wire-mount/dt06-4s-ce02-te-connectivity-7137478