The **AS30-R10K-RC** is a high-precision, industrial-grade **Single-Turn Rotary Potentiometer** (often referred to as a panel-mount sensor or variable resistor). It is commonly used for control systems, motor speed regulation, and position sensing. ### 1. Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Part Number** | AS30-R10K-RC | | **Resistance Value** | 10k $\Omega$ (indicated by "10K") | | **Tolerance** | $\pm$ 10% (standard) | | **Power Rating** | 2.0 Watts (at 40°C) | | **Mechanical Angle** | 300° $\pm$ 5° | | **Rotation Life** | Up to 1,000,000 cycles | | **Temperature Range** | -55°C to +125°C | | **Material** | Wirewound or Conductive Plastic element | --- ### 2. Physical Construction & Layout The device typically features a robust metal housing to shield against electromagnetic interference (EMI). * **Shaft:** Usually stainless steel or brass, designed for knobs or mechanical linkages. * **Terminals:** Three pins/lugs: 1. **Terminal 1:** Input (Voltage/Ground) 2. **Terminal 2 (Wiper):** Variable output based on shaft position. 3. **Terminal 3:** Input (Ground/Voltage) * **Mounting:** Panel mount via a threaded bushing and nut. --- ### 3. Component Breakdown (Suffix Meanings) * **AS30:** Refers to the series and physical size (30mm diameter housing). * **R10K:** Indicates the nominal resistance of **10,000 Ohms**. * **RC:** Stands for **RoHS Compliant**, meaning the part is manufactured without hazardous substances like lead or cadmium. --- ### 4. Common Applications Due to its high power rating (2W) and durability, it is frequently found in: 1. **Industrial Controls:** Adjusting parameters on PLC systems. 2. **Motor Drives:** Setting the reference speed for VFDs (Variable Frequency Drives). 3. **Medical Equipment:** High-reliability adjustment knobs for imaging or life support monitors. 4. **Audio Gear:** Heavy-duty volume or gain control in professional power amplifiers. --- ### 5. Wiring Diagram Example To use this as a voltage divider: ```text [VCC] ----> Terminal 1 [ Wiper ] ----> [Analog Input / Control Signal] [GND] ----> Terminal 3 ```