Overview
The Turck RK 50-3M (U2050-3) is a single-ended minifast cordset designed for sensor and actuator connections in industrial automation applications. This pre-assembled cable combines a molded 7/8″-16 UN minifast female connector with five AWG 18 bare copper leads, delivering dependable connectivity for I/O circuits, motor controls, and process automation equipment.
Key Features
- 7/8″-16 UN minifast female connector with nylon coupling nut for secure mating
- 5-conductor design supports multi-signal industrial wiring schemes
- Rated 9A at 600V AC for industrial-duty sensor and actuator circuits
- Yellow PVC jacket for visual identification and UV/chemical resistance
- RoHS compliant and PLTC/ITC tray cable rated for 105°C operation
- Straight connector orientation simplifies panel-mount and field installations
Technical Specifications
- Manufacturer Part Number: RK 50-3M
- Alternate Part Number: U2050-3
- Connector Type: 7/8″-16 UN Minifast, Female Straight
- Wire Count: 5 conductors
- Wire Gauge: 18 AWG
- Cable Length: 3 meters (9.84 feet)
- Rated Current: 9A (continuous)
- Rated Voltage: 600V AC
- Jacket Material: Yellow PVC
- Shielding: None
- Operating Temperature: -40°C to 105°C
- Cable Outer Diameter: 7.6 mm
- Compliance: RoHS, PLTC, ITC, UL
Typical Applications
- Sensor and proximity switch connections
- Actuator and solenoid valve circuits
- PLC and motion controller I/O wiring
- Industrial machine tool interconnects
- Automation panel cabinets and enclosure hardwiring
- Process control and instrumentation signal leads
Compatibility & Replacements
Compatible With
- Turck minifast female connectors and receptacles (7/8″-16 UN thread)
- Industrial PLC input/output modules rated for 9A, 600V circuits
- Sensor and actuator equipment with minifast mating connectors
- Standard industrial control system architectures
Replaces / Drop-In Replacement For
- RK50-3M (alternative formatting of same part)
- RK-50-3M (alternative formatting of same part)
- Older 3-meter minifast cordsets requiring 5-conductor replacement
Works With
- Turck minifast connector family (all 7/8″-16 UN thread versions)
- Standard PLC digital and analog input modules
- Sensor/actuator field networks requiring hardwired analog I/O
- Industrial automation and motor control centers










