The **W2CE-1BA-R** is a specific model of an AC axial cooling fan manufactured by **Sanyo Denki**, belonging to their **San Ace** series. It is designed for high-performance thermal management in industrial equipment. --- ## 1. Technical Specifications The electrical and mechanical characteristics are summarized in the table below: | Feature | Specification | | :--- | :--- | | **Input Voltage** | 100V / 115V AC (depending on frequency) | | **Frequency** | 50 / 60 Hz | | **Power Consumption** | Approx. 14W to 16W | | **Rated Speed** | 2,700 to 3,100 RPM | | **Airflow Capacity** | ~56.5 to 67.1 CFM (Cubic Feet per Minute) | | **Static Pressure** | 54 to 74 Pa | | **Noise Level** | 38 to 42 dB(A) | | **Frame Material** | Aluminum Die-cast | | **Impeller Material** | Plastic (UL 94V-0) | --- ## 2. Key Electronic & Mechanical Components ### A. Induction Motor The heart of the W2CE-1BA-R is a **Shaded Pole Induction Motor**. Unlike DC fans that use electronic commutation, this AC fan relies on the frequency of the power line (50/60Hz) to determine its rotational speed. ### B. Bearing System It utilizes high-precision **Dual Ball Bearings**. * **Advantage:** Ball bearings provide a significantly longer lifespan (typically 40,000 to 60,000 hours) compared to sleeve bearings, especially in high-temperature environments. ### C. Thermal Protection The motor is **Impedance Protected**. This is a safety feature where the motor windings are designed so that if the fan is stalled (locked rotor), the internal impedance prevents the current from rising to a level that would cause the coils to burn or catch fire. ### D. Connection Interface The "BA" designation typically refers to the terminal or lead-wire configuration. * **W2CE-1BA-R** usually features **lead wires** for direct soldering or connector crimping. --- ## 3. Dimensional Data Standard dimensions for this series are as follows: ```text Dimension: 120mm x 120mm Thickness: 38mm Mounting Hole Pitch: 104.8mm ``` --- ## 4. Typical Applications Due to its robust aluminum frame and high AC voltage compatibility, it is commonly found in: * Server racks and telecommunications cabinets. * Industrial control panels and power supplies. * Medical imaging equipment. * Commercial vending machines.