MEH62XAA-R
AI

The **MEH62XAA-R** is a specific model of an **Axial AC Fan**, typically manufactured by **Nidec (formerly cooling fan divisions of major electronics corporations)**. These fans are engineered for high-performance cooling in industrial equipment, servers, and power supplies.
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### 1. Technical Specifications
The following table highlights the core electronic and mechanical parameters for this component:
| Parameter | Specification |
| :--- | :--- |
| **Input Voltage** | 115V AC (Standard) |
| **Frequency** | 50/60 Hz |
| **Current Draw** | ~0.20A to 0.25A (Varies by load) |
| **Power Consumption** | ~18W - 22W |
| **Bearing Type** | Dual Ball Bearing (High Reliability) |
| **Frame Material** | Die-cast Aluminum |
| **Impeller Material** | Plastic (PBT) / UL94V-0 Rated |
| **Termination** | Wire Leads or Terminals (Depending on suffix) |
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### 2. Key Electronic Features
#### A. Motor Architecture
The fan utilizes a **Shaded Pole Motor** or a **Permanent Split Capacitor (PSC)** design. These are common in AC fans because they do not require brushes, which significantly extends the operational lifespan and reduces electromagnetic interference (EMI).
#### B. Thermal Protection
The "R" in the suffix often denotes specific protection features. Most units in this series include **Impedance Protection**. This ensures that if the fan blades are obstructed (locked rotor), the internal coils are designed to resist overheating and catching fire by limiting the current flow.
#### C. Bearing System
The use of **Dual Ball Bearings** is a critical electronic-mechanical choice. Unlike sleeve bearings, ball bearings allow the fan to be mounted in any orientation (horizontal, vertical, or angled) without affecting the lifespan or increasing noise levels.
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### 3. Physical Dimensions
Standard sizing for the MEH62 series follows the industrial 120mm profile:
* **Width/Height:** 120 mm x 120 mm
* **Depth:** 38 mm
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### 4. Typical Applications
* **Network Enclosures:** Cooling for switches and routers.
* **Industrial Control Panels:** Heat dissipation for PLCs and Power Supplies.
* **Medical Equipment:** Reliable airflow for sensitive diagnostic tools.
* **Vending Machines:** Air circulation for refrigeration or electronics compartments.
- ⤷
What is the MTBF (Mean Time Between Failures) for this specific fan series?
- ⤷ How does impedance protection differ from thermal fuse protection in AC fans?
- ⤷ Are there DC-equivalent models that offer PWM speed control for this size?