Turck U-43644 Powerfast Female Receptacle NPT

The Turck RKF 44-3M/NPT Powerfast Female Panel Receptacle (U-43644, #334354) is a front-mount, 4-pin Powerfast interface with 3 m flying leads and a 7/8"-16 UN thread, designed for rugged bulkhead power connections in industrial automation and machine control systems. It uses 4 × 14 AWG (2.5 mm²) tinned copper conductors with PVC insulation, color-coded black, white, red, and green/yellow, housed in a nickel-plated brass shell with gold-plated contacts, and features a 1/2"-14 NPT mounting thread; it is UL Listed (UL 2237) and CE/RoHS compliant. It is rated for 600 V AC/DC and 18 A, with an operating temperature range of -40°C to +105°C, and provides IP67, IP68, IP69, IP69K protection when mated, along with NEMA 1, 3, 4, 6P, 12 compatibility; mounting torque is specified at 3.5–10.2 Nm. Common replacements include RKF 44-1M/NPT, RKF 44-5M/NPT, and RKF 44-10M/NPT, and the receptacle is commonly used in control panels, PLC cabinets, motor control centers, conveyors, packaging machinery, and other factory automation equipment requiring a sealed 4-pin Powerfast panel connection; maintenance technicians, OEM machine builders, and system integrators rely on this part for equipment replacement and new panel installations.