The 99-2021-02-06 is a 6 contact 250V/5A shielded straight miniature male Circular Connector with gold-plated brass contacts, PBT (UL 94 V-0) contact body and nickel-plated brass housing. The 581 series plug with internal solder lug, M16 screw locking system, solder termination, cable mounting style. It accepts 20AWG (0.5mm2) wire, 6 to 8mm cable outlet.