The D1G133-AB39-52 from EBM-Papst is a compact DC centrifugal fan with forward-curved blades and dual inlet, designed for efficient and quiet air circulation in demanding applications. The fan is powered by 48 V DC and delivers an airflow of up to 695 m³/h, making it well-suited for ventilation units, cooling systems, and industrial air handling.
Thanks to the integrated EC motor with stepless control via 0–10 V DC or PWM, the fan is excellent for installations where precise control and energy efficiency are priorities. Optional mounting position and a compact size of 180×171×225 mm provide great flexibility in integration.
- Airflow: up to 695 m³/h
- Supply voltage: 48 V DC (range 36–57 V DC)
- Power consumption: 105 W, rated current 2.8 A
- Rotational speed: 1,780 rpm
- Protection class: IP42, ball bearings for long lifespan
- Housing and impeller made of galvanized steel sheet
- Soft start, motor current limitation, and reverse polarity protection
- Tach output and control input 0–10 V DC/PWM
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 695 m³/h |
| Speed | 1780 rpm |
| Power | 105W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan is supplied with a galvanized sheet metal casing without a flange. The motor is vibration-dampened and mounted on both sides inside the casing. The installation position is optional, and the unit lacks a condensate drain. The total weight is 2.8 kg. |
| Casing | sheet, galvanized |
| Impeller | The impeller is of the forward-curved dual-intake type. It is made of galvanized sheet metal and has a size of 133 mm. The rotor surface is black-painted. The impeller is designed for centrifugal operation and provides an airflow of up to 695 m³/h in free-blowing mode at 48 V. |
| Bearing type | ball bearing |
| IP class | IP42 |
| Motor code | M1G074-BF |
| Rotation direction | clockwise, viewed from the rotor |
| Motor type | The motor is of EC type with the designation M1G074-BF and is powered by 48 V DC (voltage range 36–57 V DC). It consumes 105 W and draws 2.8 A at rated operation. The motor is vibration-damped on both sides and has insulation class B. It is equipped with soft start, motor current limitation, tach output (3 pulses per revolution), 0–10 V DC/PWM control input, and reverse polarity protection. |
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