The part number **47NLR-DYR-R** refers to a specific type of LED indicator, typically manufactured by companies like **Visual Communications Company (VCC)** or similar industrial lighting specialists. These components are designed for panel mounting and are used to provide visual status feedback in electronic systems. --- ### 1. Part Number Breakdown (Technical Specifications) While naming conventions can vary slightly by manufacturer, the code generally follows this structure: | Segment | Component | Meaning | | :--- | :--- | :--- | | **47** | Series | 47 Series, typically a **12.7mm (1/2")** mounting hole diameter. | | **NLR** | Housing/Lens | Neon or LED indicator with a specific lens type (often a cylindrical or "flush" lens). | | **DYR** | Color/Voltage | **D**ual or **D**irect; **Y**ellow/Red LED configuration or specific voltage rating. | | **R** | Termination/RoHS | Standard wire leads or terminals; compliant with RoHS standards. | --- ### 2. Key Features These electronic parts are built for industrial durability. Common features include: * **Mounting:** Designed for front-panel installation using a snap-fit or hex nut mounting. * **Voltage Range:** Often available in 12V, 24V, or even 120V/250V configurations depending on the internal resistor. * **Termination:** Typically features 6-inch wire leads or quick-connect terminals for easy wiring. * **Lens Material:** High-impact polycarbonate designed for wide-angle visibility. --- ### 3. Application Use Cases The **47NLR-DYR-R** is commonly found in the following environments: 1. **Industrial Control Panels:** Indicating power status or system faults. 2. **Medical Equipment:** Monitoring operational modes (On/Off/Standby). 3. **Transportation:** Dashboard indicators for heavy machinery or marine vessels. 4. **Food Service Appliances:** Indicating heating cycles or power connectivity. --- ### 4. Technical Comparison Table Compared to standard low-power LEDs, these panel-mount indicators offer: | Feature | Standard Discrete LED | 47NLR Series Indicator | | :--- | :--- | :--- | | **Housing** | Plastic Epoxy (5mm/3mm) | Heavy-duty Metal or Plastic Housing | | **Installation** | PCB Soldering | Panel Nut/Snap-in | | **Resistor** | External Required | Internal (Integrated) | | **Visibility** | Narrow/Directional | Wide Angle/Diffused |