3 pole male receptacle The NC3MD-LX is a 3-pole Male XLR Receptacle with solder cups, latch locking device, nickel housing and silver over nickel plated brass contacts. It has polyamide insert, nickel-plated zinc die-cast shell and steel Ck67 locking element. This DLX series receptacle features a compact all metal housing with an ingenious duplex ground contact, which offers excellent RF protection and electromagnetic shielding. It is the ideal match for mating with EMC XLR cable connector. Duplex ground contact provides excellent contact integrity between chassis and cable connector, male connector's retention bar replaces plastic design with all metal version improving pull-out force. D-style housing provides installation compatibility with industry standard D mounting dimensions.