W2AC-A1CB-R2/N
AI

Based on the part number provided, this component belongs to the **Eaton / Cutler-Hammer** series of high-performance **AC Fans**. Specifically, it is a compact axial fan used primarily for thermal management in industrial electronic enclosures.
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### 1. Technical Specifications
The following table outlines the primary electronic and mechanical characteristics of the **W2AC-A1CB-R2/N**:
| Parameter | Specification |
| :--- | :--- |
| **Input Voltage** | 115V AC |
| **Frequency** | 50 / 60 Hz |
| **Power Consumption** | ~11 Watts |
| **Airflow Capacity** | ~24 - 30 CFM (Cubic Feet per Minute) |
| **Bearing Type** | Dual Ball Bearing (for long life) |
| **Connection Type** | 2-Wire (Leads or Terminals depending on suffix) |
| **Housing Material** | Die-cast Aluminum |
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### 2. Electronic Component Breakdown
The internal electronic design of this unit focuses on reliability and consistent airflow:
* **Motor Type:** It utilizes a **Shaded Pole Induction Motor**. This is a common AC motor type known for its simplicity, as it does not require a starting capacitor, reducing the number of failure points.
* **Protection:** The motor is **Impedance Protected**. This means the electronic windings are designed to withstand the heat generated if the fan blades are physically obstructed (stalled) without catching fire or short-circuiting.
* **Insulation Class:** Typically rated as **Class B or F**, allowing the internal wiring to handle temperatures up to 130°C–155°C.
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### 3. Physical Construction
The "R2/N" variant typically refers to specific mounting or airflow directions:
1. **Frame:** 80mm x 80mm x 38mm (Standard compact size).
2. **Impeller:** Reinforced plastic (UL 94V-0 rated for flame retardancy).
3. **Ball Bearings:** Unlike "Sleeve" bearings, the dual ball bearings in this model allow it to be mounted in any orientation (horizontal, vertical, or angled) without degrading the motor's lifespan.
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### 4. Application Examples
This part is commonly found in:
* **Server Racks:** Cooling internal power supplies.
* **Industrial Control Panels:** Preventing heat buildup in PLCs and VFDs.
* **Medical Equipment:** Silent and reliable heat dissipation for sensitive electronics.
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- ⤷
What are the differences between impedance protection and thermal protection in AC fans?
- ⤷ How does the 'Dual Ball Bearing' system impact the MTBF (Mean Time Between Failures)?
- ⤷ Are there DC-powered equivalents to the W2AC series for battery-operated systems?