Original EBM-PAPST 3312U axial cooling fan, designed for professional cooling applications in photovoltaic inverters, industrial power supplies, UPS systems, power electronics, automation equipment, and telecommunications systems.

Operating on 12 VDC, this compact industrial fan provides reliable and efficient airflow while maintaining low power consumption. Its IP54 protection rating ensures dependable performance in environments exposed to dust and moisture, making it suitable for demanding industrial and renewable energy applications.

The high-quality brushless motor technology developed by EBM-PAPST guarantees long service life, low maintenance requirements, and continuous operation, helping to protect sensitive electronic components from overheating and premature failure.

⚙️ Technical Specifications

Identification Data

• Manufacturer: EBM-PAPST
• Model: 3312U
• Version: Var.026
• Type: DC Axial Cooling Fan
• Identification Code: 46-5034 500669 A026 4010

Electrical Specifications

• Nominal Voltage: 12 VDC
• Operating Voltage Range: 7 – 15 VDC
• Rated Current: 235 mA
• Power Consumption: 2.8 W

Protection & Construction

• Protection Rating: IP54
• Motor Type: Long-Life Brushless Motor
• Country of Manufacture: Hungary

Certifications

• CE
• VDE
• UL Recognized

🔧 Main Features

✔ Original EBM-PAPST industrial cooling fan

✔ 12 VDC low-voltage operation

✔ Low power consumption

✔ IP54 dust and moisture protection

✔ Long-life brushless motor technology

✔ Reliable continuous-duty performance

✔ Compact and lightweight design

✔ Low maintenance requirements

✔ Suitable for industrial and photovoltaic applications

🔌 Purpose and Operation

This fan is designed to provide continuous airflow for cooling sensitive electronic components and maintaining safe operating temperatures.

Its primary functions include:

• Cooling inverter control electronics
• Ventilating photovoltaic inverter enclosures
• Dissipating heat from electronic circuit boards
• Cooling switching power supplies
• Protecting capacitors and semiconductor devices
• Improving system reliability
• Reducing the risk of overheating-related failures

Effective cooling helps extend the service life of electronic equipment and ensures stable system performance.

☀️ Typical Applications

Commonly used in:

• Photovoltaic inverters
• Industrial power supplies
• UPS systems
• Industrial automation equipment
• Ventilated electrical cabinets
• Professional electronic equipment
• Telecommunications systems
• Power conversion equipment
• Control and monitoring systems

Compatibility should always be verified by matching the original installed fan part number.

⚠️ Common Fan Failure Symptoms

Replacement may be required if any of the following symptoms occur:

Fan Not Operating

Symptoms:

❗ Fan does not start

❗ Complete loss of airflow

❗ Cooling system failure

Excessive Noise

Symptoms:

❗ Bearing wear

❗ Grinding or rattling sounds

❗ Increased operating noise

Vibration Issues

Symptoms:

❗ Excessive vibration

❗ Mechanical instability

❗ Reduced fan efficiency

Reduced Airflow

Symptoms:

❗ Insufficient cooling

❗ Higher operating temperatures

❗ Reduced equipment performance

Thermal Protection Events

Symptoms:

❗ High-temperature alarms

❗ Inverter overheating

❗ Safety shutdowns

❗ Cooling or ventilation fault messages

🛠 Applications

Ideal for:

✔ Photovoltaic inverter maintenance

✔ Industrial power supply repair

✔ UPS cooling system replacement

✔ Automation equipment servicing

✔ Telecommunications equipment maintenance

✔ Preventive maintenance programs

✔ Industrial electronics refurbishment

✅ Advantages

✔ Genuine EBM-PAPST component

✔ High reliability and long service life

✔ Energy-efficient operation

✔ IP54 environmental protection

✔ Continuous-duty industrial performance

✔ Reduced risk of overheating

✔ Improved equipment longevity

✔ Professional-grade replacement solution

📦 Package Contents

• 1 × Original EBM-PAPST 3312U Axial Cooling Fan
• Wiring and connector as shown in the product photos

🔄 Compatibility

Suitable for equipment using:

• EBM-PAPST 3312U cooling fans
• 12VDC ventilation systems
• Photovoltaic inverters
• Industrial power supplies
• UPS systems
• Automation equipment
• Telecommunications devices

Always verify the original fan model and specifications before installation.

🟢 Summary

The EBM-PAPST 3312U is a high-quality 12VDC axial cooling fan featuring 235mA current consumption, 2.8W power rating, IP54 protection, and a long-life brushless motor. Designed for photovoltaic inverters, industrial electronics, UPS systems, and automation equipment, it provides reliable cooling performance and helps protect critical electronic components from overheating, ensuring long-term operational reliability.