The **889N-R4AE-20F** is an industrial-grade electrical connectivity component, specifically a **Mini-Plus (7/8") Single-Ended Cordset** manufactured by Rockwell Automation (under the Allen-Bradley brand). It is primarily used for connecting sensors, actuators, and power distribution components in automated environments. --- ### 1. Part Number Breakdown Understanding the nomenclature helps identify the physical and electrical characteristics of the part: | Code Segment | Description | Specific Meaning | | :--- | :--- | :--- | | **889N** | Product Family | Mini-Plus (7/8 inch) Cordset | | **R** | Connector Type | Female Straight Connector | | **4** | Number of Pins | 4-Pin Configuration | | **A** | Wire Gauge/Color | 18 AWG, US Industry Standard Colors | | **E** | Jacket Material | PVC (Polyvinyl Chloride), Yellow | | **20F** | Length | 20 Feet (~6 meters) | --- ### 2. Technical Specifications These specifications define the limits and capabilities of the electronic assembly: * **Voltage Rating:** 600V AC/DC (Heavy-duty power and signal rating). * **Current Rating:** 8 Amps (Continuous). * **Coupling Nut:** Epoxy-coated zinc (resistant to corrosion and industrial chemicals). * **Conductor Size:** 18 AWG (American Wire Gauge). * **Environmental Protection:** IP67, NEMA 6P, and 1200 psi washdown rating. * **Operating Temperature:** -20°C to +105°C (-4°F to 221°F). --- ### 3. Wiring Configuration (4-Pin US Color Code) For industrial automation, the wiring follows a specific standard to ensure compatibility with power distribution blocks: | Pin Number | Wire Color | Common Function (Example) | | :---: | :--- | :--- | | 1 | Black | Load / Return | | 2 | White | Neutral / Common | | 3 | Red | Hot / V+ | | 4 | Green | Ground (Earth) | --- ### 4. Typical Applications * **Motor Starters:** Connecting local control stations to motor leads. * **Industrial Sensors:** Large-scale proximity or photoelectric sensors requiring more than 24V. * **Fieldbus Power:** Supplying auxiliary power to DeviceNet or other thick-cable network nodes. * **Conveyor Systems:** Linking emergency stop buttons or signaling lights across long distances.