The EBM-PAPST 6314/2TDHHP is an original industrial-grade axial cooling fan designed for professional applications requiring high reliability, continuous operation, and efficient thermal management.

According to the manufacturer’s identification label, this fan operates from a 24V DC power supply and features an advanced brushless motor, integrated PWM speed control, and tachometer output for real-time fan speed monitoring.

Its robust design and high airflow capacity make it ideal for cooling photovoltaic inverters, UPS systems, industrial power supplies, battery storage systems, automation equipment, and other high-power electronic devices operating in demanding environments.

Manufactured by ebm-papst St. Georgen (Germany), the 6314/2TDHHP series is recognized for its long service life, low maintenance requirements, and reliable continuous-duty performance.

⚙️ Technical Specifications

Identification Data

• Manufacturer: EBM-PAPST
• Model: 6314/2TDHHP
• Fan Type: Industrial Axial Cooling Fan
• Motor Technology: Brushless DC Motor
• Country of Manufacture: Germany
• Production Year (Label): 2009

Electrical Specifications

• Nominal Supply Voltage: 24 VDC
• Operating Voltage Range: 16 – 36 VDC
• Rated Power Consumption: 67 W
• Speed Control: PWM (Pulse Width Modulation)
• Tachometer Output: Yes
• Connection Type: 4-Wire Interface

Construction Features

• High-efficiency brushless motor
• Industrial-grade bearings
• Continuous-duty operation
• Integrated electronic control circuitry
• High airflow performance
• Low maintenance design

🔧 Main Features

✔ 24V DC industrial cooling fan

✔ Rated power consumption of 67W

✔ Wide operating voltage range (16–36V DC)

✔ PWM electronic speed control

✔ Tachometer output for RPM monitoring

✔ Long-life brushless motor technology

✔ High airflow and cooling efficiency

✔ Low maintenance requirements

✔ Designed for continuous 24/7 operation

🔌 Purpose and Operation

The EBM-PAPST 6314/2TDHHP is designed to provide forced-air cooling for power electronics and industrial equipment.

The integrated PWM control allows external systems to regulate fan speed according to cooling requirements, reducing energy consumption and noise levels while maintaining optimal operating temperatures.

The tachometer output provides real-time speed feedback for system monitoring and fault detection.

🏭 Applications

Ideal for:

• Photovoltaic inverters
• Industrial inverters
• UPS and backup power systems
• Switching power supplies
• Battery energy storage systems (BESS)
• Industrial automation equipment
• Electrical control cabinets
• Power conversion systems
• High-power electronic equipment
• HVAC and cooling applications

⚠️ Common Issues Resolved by Fan Replacement

A worn, damaged, or seized cooling fan may cause:

• Overtemperature alarms
• Fan Failure warnings
• Automatic power derating
• Inverter shutdown due to overheating
• Excessive internal temperatures
• Reduced equipment lifespan
• Premature capacitor failure
• IGBT overheating and failure
• Increased noise and vibration

🚨 Typical Symptoms of a Faulty Fan

Mechanical Wear

Symptoms:

❗ Excessive noise
❗ Bearing vibration
❗ Fan wobbling

Electrical Failure

Symptoms:

❗ Fan does not start
❗ Intermittent operation
❗ PWM control not responding

Speed Monitoring Issues

Symptoms:

❗ Missing tachometer signal
❗ Fan fault alarms
❗ Incorrect RPM readings

Reduced Cooling Performance

Symptoms:

❗ High internal temperatures
❗ Thermal derating
❗ Unexpected equipment shutdowns

✅ Advantages

✔ Genuine EBM-PAPST industrial quality

✔ High cooling performance

✔ Brushless long-life motor

✔ Integrated PWM speed regulation

✔ Tachometer feedback output

✔ Suitable for continuous industrial operation

✔ Reliable thermal protection for power electronics

✔ Low maintenance and long service life

📦 Package Contents

• 1 × Original EBM-PAPST 6314/2TDHHP Cooling Fan
• Original cable and connector (as shown)
• Cosmetic condition as shown in photos
• Functional testing recommended before installation

🔄 Compatibility

Suitable for use in:

• Photovoltaic inverters
• Industrial power converters
• UPS systems
• Battery storage equipment
• Industrial automation systems
• Electrical cabinets and control panels
• Equipment using EBM-PAPST 6314 series cooling fans

Compatibility should always be verified against the original fan model and electrical specifications before installation.

🟢 Summary

The EBM-PAPST 6314/2TDHHP is a 24V DC, 67W industrial axial cooling fan featuring PWM speed control, tachometer feedback, and a high-reliability brushless motor. Designed for continuous-duty operation in demanding industrial environments, it is an ideal replacement fan for photovoltaic inverters, UPS systems, power electronics, and industrial cooling applications where reliable thermal management is essential.