The **W2AC-A13Y-R/N** is a specific model identifier typically associated with **AC Axial Fans**, often manufactured by companies like **Wistro** or industrial cooling specialists. These fans are used for the external cooling of electric motors (forced ventilation units). --- ### 1. Technical Specifications The "W2AC" series usually denotes a specific frame size and electrical configuration. Below are the typical electronic and mechanical characteristics for this part: | Feature | Specification (Typical) | | :--- | :--- | | **Input Voltage** | 230V AC (Single Phase) | | **Frequency** | 50/60 Hz | | **Current Consumption** | ~0.10A - 0.25A (Varies by load) | | **Power Input** | ~25W - 45W | | **Rotation Speed** | ~2800 - 3250 RPM | | **Bearing Type** | Dual Ball Bearing (Long life) | | **Termination** | Terminal Box or Flying Leads | --- ### 2. Electronic Components & Construction The internal electronic assembly of the W2AC-A13Y-R/N consists of several key parts: #### A. Permanent Split Capacitor (PSC) Motor * **Stator Windings:** Copper windings treated with high-temperature insulation (Class F or H) to withstand industrial heat. * **Run Capacitor:** Since it is a single-phase AC motor, it requires a capacitor (usually integrated or mounted in the terminal box) to create a phase shift for starting and running torque. #### B. Protection Circuitry * **Thermal Protector:** Most models include an internal thermal contact (impedance protected or a thermal switch) that cuts power if the motor exceeds its rated temperature (e.g., 150°C). * **Grounding:** A dedicated grounding point is provided on the metal housing to prevent electrostatic discharge or short-circuit hazards. #### C. The Rotor & Impeller * **External Rotor Design:** The electronics are unique because the "stator" is in the center, and the "rotor" (the part that spins) rotates around the outside of the coils. This allows for better cooling of the motor itself. --- ### 3. Wiring Diagram Symbols When integrating this part into a control cabinet, the following electronic symbols are typically used: ```mermaid graph LR L[Line/Live] --> S[Switch/Relay] S --> C[Capacitor] C --> M((Motor Winding)) N[Neutral] --> M PE[Earth/Ground] --- Frame[Fan Housing] ``` --- ### 4. Application Context The "R/N" designation often refers to the airflow direction and the type of terminal connection: * **R:** Generally indicates a specific airflow direction (e.g., Intake or Exhaust). * **N:** Often signifies a standard terminal box connection rather than a plug. This fan is most commonly found bolted to the back of **IEC frame motors** to provide constant airflow regardless of the motor's main shaft speed (essential for VFD-driven motors).