The **W2TG0-3CB-R2** is a specific technical configuration for an industrial AC fan, likely manufactured by **ebm-papst**. This model belongs to the W2TG0 series, which consists of compact, high-performance axial fans used primarily for cooling electronic enclosures and power supplies. --- ### 1. Component Specifications The following table outlines the key electrical and physical characteristics of this part: | Characteristic | Specification | | :--- | :--- | | **Motor Technology** | AC External Rotor Motor | | **Nominal Voltage** | 230 VAC | | **Frequency** | 50 / 60 Hz | | **Power Consumption** | Approx. 11 - 13 Watts | | **Airflow Rate** | ~40 - 50 m³/h | | **Bearing Type** | Ball Bearings (Long Life) | | **Housing Material** | Die-cast Aluminum | | **Impeller Material** | Sheet Steel (painted black) | --- ### 2. Breakdown of the Part Number While specific suffix codes vary by manufacturer batches, the general nomenclature follows this logic: 1. **W2T**: Series prefix indicating an AC axial fan with specific dimensions (typically 80mm or 92mm square). 2. **G0**: Internal design generation or motor stack size. 3. **3CB**: * **3**: Number of blades or specific motor winding code. * **C**: Connection type (often refers to leads or terminals). * **B**: Ball bearing system. 4. **R2**: Revision code or specific mounting configuration (e.g., specific hole patterns or lead lengths). --- ### 3. Electrical Connections The fan typically features two or three lead wires. Because it is an AC-powered motor, it does not require a complex driver circuit like a DC brushless fan, but it does have specific wiring requirements: ```yaml Wiring_Layout: Black_Wire: Phase (L1) Blue_Wire: Neutral (N) Green/Yellow: Ground (PE) - if applicable for metal housing Protection: Impedance protected (protected against burnout if stalled) ``` --- ### 4. Key Electronic Features * **Impedance Protection:** The motor windings are designed to resist overheating even if the fan blades are physically blocked (locked rotor protection). * **EMC Compliance:** As an AC motor, it generates minimal electromagnetic interference compared to switched DC fans. * **Environmental Sealing:** Typically rated IP20 or higher, depending on the specific "R2" revision potting or coating.