The NAC3FXXA-W-S is a single-phase (3-conductor) lockable power connector designed for secure AC mains connections. It is rated for 16 A at 250 V AC in Europe and 20 A at 127 V AC in the USA/Canada, and features Circuit Breaking Capability (CBC) when mated with compatible receptacles. The connector accommodates cable outer diameters from 6 mm to 12 mm and utilizes screw-type terminals for wire sizes from 1.5 to 2.5 mm² (16 to 12 AWG). With its reliable twist-lock system and rugged construction, it serves as a robust replacement for standard appliance couplers in professional audio, lighting, and industrial applications where a safe and stable power connection is essential.