The S1G250-AH37-52 from EBM-Papst is a powerful DC axial fan with an EC motor, designed for high-performance and energy-efficient ventilation. The fan delivers an impressive airflow of 1920 m³/h at 24 V DC and is perfectly suited for industrial applications requiring precise control and reliable operation. Thanks to the electronically commutated motor (type M1G074-BF), it offers soft start, speed control via 0–10 V DC or PWM, and tach output for easy monitoring.
The fan is an ideal choice for ventilation and cooling systems in industrial and OEM manufacturing where flexible mounting and robust construction are crucial. Its optional mounting position simplifies installation in most environments.
- Airflow: 1920 m³/h at free flow
- Voltage: 24 V DC (range 16–28 V DC)
- Power: 105 W at nominal speed 2750 rpm
- EC motor with soft start and speed limitation
- Control input for 0–10 V DC or PWM signal
- Protection against reverse polarity and locked rotor
- IP42 protection class and ball bearings for long lifespan
- Optional mounting position and side-exiting AWG20 cable
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 1920 m³/h |
| Speed | 2750 rpm |
| Power | 105W |
| Voltage | 24V DC VAC |
| Motor frame | The fan is equipped with a protective short nozzle grille made of phosphated steel coated with black plastic. The mounting position is optional, allowing for flexible installation. The unit weighs 2.2 kg and has no condensate drainage holes. |
| Casing | Rotor: black coated, protective grille made of phosphated steel and black plastic coated |
| Impeller | The fan impeller is an S-series sickle blade type (sickleblades) with 7 blades made of sheet metal coated in black. The size is 250 mm and the airflow direction is marked 'V'. The direction of rotation is counter-clockwise when viewed from the rotor side. The fan impeller's design provides a maximum airflow of 1920 m³/h at free flow and nominal voltage. |
| Bearing type | ball bearing |
| IP class | IP42 |
| Motor protection | Reverse polarity and locked rotor protection |
| Motor code | M1G074-BF |
| Rotation direction | counter-clockwise, viewed from the rotor side |
| Motor type | The motor is an EC motor (electronically commutated) of type M1G074-BF with a nominal voltage of 24 V DC and a voltage range of 16–28 V DC. The power consumption is 105 W at a nominal speed of 2750 rpm. The motor is equipped with soft start, speed limitation, tach output (3 pulses per revolution), and control input for 0–10 V DC or PWM signal. Insulation class is B and duty cycle is S1 (continuous operation). |
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