📝 Description

Used product, as shown in the photographs.
ebm-papst 3412 N/2HU, variant 529, axial fan with 12 V DC power supply, rated 200 mA / 2.4 W, with supply range indicated on the label of 8–13.2 V DC.
The assembly is complete with metal support, wiring and circular connector, and is intended for forced cooling of electronic and industrial equipment.
The complete code 3412N/2HU-529 is identified in ebm-papst component databases.

⚙️ Main Specifications

• Brand: ebm-papst
• Model: 3412 N/2HU
• Variant: 529
• Code: 3412N/2HU-529
• Type: DC axial fan
• Rated voltage: 12 V DC
• Current: 200 mA
• Power: 2.4 W
• Supply range indicated on label: 8–13.2 V DC
• Fan dimensions: approx. 92 × 92 × 25 mm
• Motor: DC with electronic commutation
• Connection: wiring with circular connector
• Support: metal mounting plate
• Application: cooling of electronic and industrial equipment
  The 3412N series is a family of compact 92 mm axial fans; ebm-papst documentation confirms this platform and its construction characteristics.

🔧 Main Functions

The fan is used to:

• generate forced airflow;
• dissipate heat produced by electronic components;
• maintain the internal equipment temperature within appropriate limits;
• cool heat sinks, power supplies, electronic circuits and power modules;
• assist in extracting hot air or supplying fresh air depending on the installation.

🔌 Purpose and Operation

Powered by 12 V DC, the fan drives the impeller and generates the airflow required to cool the equipment.
The photographed assembly is already installed on a metal plate, so it can be used as a replacement when mounting position, wiring and connector are compatible.

🧩 Compatibility

The fan is not associated with a single inverter model: it is a cooling component suitable for equipment requiring a 12 V DC fan with compatible characteristics.
Before replacement, verify:

• model 3412N/2HU-529;
• supply voltage;
• current and power;
• dimensions;
• mounting hole spacing and position;
• connector;
• wiring;
• airflow direction.
  Compatibility must be checked against the original fan installed in the equipment.

⚠️ Typical Faults and Symptoms

A deteriorated or faulty fan may show:

• no rotation;
• intermittent startup;
• slow rotation;
• abnormal noise;
• vibrations;
• impeller blockage;
• insufficient airflow;
• increased internal temperature;
• activation of thermal protections;
• fan or temperature-related alarms on the equipment.

🚨 Possible Associated Errors

The 3412N/2HU-529 has no dedicated error codes.
When used inside an inverter or equipment equipped with fan monitoring, a malfunction may cause fan alarms, high-temperature alarms or overheating.
The specific code depends on the equipment in which the fan is installed.

🔍 Diagnosis

The fan can be checked by verifying:

1. correct DC supply;
2. wiring integrity;
3. connector condition;
4. fan startup;
5. regularity of rotation;
6. any abnormal noise or vibration;
7. adequate airflow;
8. any control/tachometric signals, if provided by the application.
   Documentation for the 3412N family also indicates motor protection against reverse polarity and rotor blockage.

🛠️ Common Services in Case of Failure

• Electrical motor check
• Power supply verification
• Wiring inspection
• Connector check
• Rotation check
• Impeller cleaning
• Noise and vibration inspection
• Mechanical check
• Complete fan replacement
  In case of motor or internal electronic failure, replacing the complete fan assembly is normally preferable.

🛠️ Applications

• Photovoltaic inverters
• Industrial power supplies
• Electrical panels
• Electronic equipment
• Energy conversion systems
• Electrical and electronic cabinets
• Forced cooling systems
• Industrial equipment

🛡️ Product Condition

Used product and functioning prior to shipment.
The fan is supplied complete with metal support, wiring and connector.
Normal signs of use and installation are present, consistent with a component removed from industrial equipment.

📦 Package Contents

• 1 × ebm-papst fan
• Model: 3412 N/2HU
• Variant: 529
• Code: 3412N/2HU-529
• Metal support
• Wiring
• Connector as shown in the photographs

🟢 Summary

ebm-papst 3412N/2HU-529 is a 12 V DC axial fan with a label indicating 200 mA and 2.4 W, complete with metal support, wiring and connector.
It is intended for forced cooling of electronic and industrial equipment. The code 3412N/2HU-529 is identified in ebm-papst component databases and belongs to the 3412N family of compact axial fans.
Always verify the voltage, dimensions, mounting points, connector, wiring and airflow direction before installation.