The part number **W2AC-AA2A-R** typically refers to a high-quality **industrial rocker switch** or a specific **AC power inlet/switch module** (often associated with manufacturers like Canal or similar electronic component providers). These components are designed to manage the power interface for electronic devices. --- ## Technical Specifications & Features Below is a breakdown of the typical electronic characteristics of this component series: | Parameter | Description | | :--- | :--- | | **Component Type** | Power Entry Module / Rocker Switch | | **Current Rating** | Generally rated for 10A to 15A (depending on voltage) | | **Voltage Rating** | 125V AC / 250V AC | | **Contact Resistance** | < 50mΩ (Initial) | | **Insulation Resistance** | > 100MΩ at 500V DC | | **Dielectric Strength** | 1500V AC for 1 minute | | **Mechanical Life** | > 10,000 Cycles | --- ## Part Number Breakdown (Functional Logic) While specific codes vary by manufacturer, the nomenclature for this part usually follows this logic: ### 1. W2AC (Series Prefix) Refers to the physical housing and series type. This often indicates a **Waterproof** or **Weather-resistant** design or a specific panel-mount cutout dimension. ### 2. AA (Actuator/Circuitry) * **A:** Usually denotes a Single Pole Single Throw (SPST) or Single Pole Double Throw (SPDT) configuration. * **A:** Often represents the actuator color (usually Black) or shape (Curved/Rocker). ### 3. 2A (Terminal & Lighting) * **2:** Often indicates the terminal style (e.g., Quick Connect/Solder terminals). * **A:** May signify non-illuminated or a specific lamp voltage if the switch contains an internal LED/Neon bulb. ### 4. -R (Compliance/Packaging) * **R:** Almost always stands for **RoHS Compliant**, meaning the part is manufactured without hazardous substances like lead or cadmium. --- ## Applications These parts are commonly found in: * **Power Supplies:** Main ON/OFF switches for desktop units. * **Consumer Electronics:** Kitchen appliances and audio equipment. * **Industrial Equipment:** Control panels and test instruments. * **Medical Devices:** Where high reliability and specific safety certifications (UL, VDE) are required.