The 4312/17MT is a DC axial fan from EBM-Papst with a wall ring, designed for compact and efficient air circulation. The fan measures 119 × 119 × 32 mm and delivers up to 138 m³/h at free air flow. Thanks to ball bearings and a robust sheet metal housing, it is built for long and reliable operation.
With built-in speed control via an external NTC temperature sensor, the fan automatically adjusts its speed according to prevailing temperature conditions. This makes it well-suited for cooling appliances, electronics cabinets, and industrial equipment where variable flow and energy efficiency are important.
- Voltage: 12 V DC (operating range 8–15 V)
- Airflow: up to 138 m³/h
- Static pressure: max 54 Pa
- Speed: 1500–2800 rpm (temperature-controlled)
- Power: 3.3 W | Rated current: 275 mA
- Sound pressure: 39 dB(A)
- Bearing type: ball bearing
- Housing: plastic, 119 × 119 × 32 mm, optional mounting position
- Connection: 310 mm cable | Alarm output included
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 138 m³/h |
| Speed | 1500/2300/2800 rpm |
| Power | 3.3 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has a square plastic housing measuring 119 x 119 x 32 mm and weighs 200 grams. Mounting is done with ISO 4762 M4 screws without washers or additional support. The maximum tightening torque during installation is 20 Ncm for all corners. The mounting position for the motor shaft can be arbitrary. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and rotates clockwise when viewed from the rotor side. The airflow is directed away from the motor via the struts. At the nominal operating point (2300 rpm), the fan delivers a maximum free airflow of 138 m³/h and a maximum static pressure of 54 Pa. |
| Bearing type | ball bearing |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with electronic speed control via an external temperature sensor (NTC). The operating voltage is nominally 12 V DC with an allowed range of 8–15 V. The motor has reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. The speed varies between 1500 and 2800 rpm depending on temperature conditions. |
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