Description
The ebmpapst S4D450-AP01-01 is a high-performance AC axial fan designed for industrial ventilation, refrigeration systems, HVAC equipment, and air movement applications. Featuring a 450 mm sickle-shaped blade impeller with a protective guard grille for short nozzle installation, this fan provides reliable airflow performance and long-term operating stability.
The S4D450-AP01-01 is equipped with the M4D074-GA three-phase external rotor motor and supports 230 VAC and 400 VAC operation through different wiring configurations. The robust AC motor design, ball bearing system, and integrated thermal protection make this fan suitable for continuous industrial operation.
With a compact axial design, black painted steel impeller, steel guard grille, and IP44 protection rating, the ebmpapst S4D450-AP01-01 delivers dependable cooling and ventilation performance for OEM equipment, condenser units, machinery cooling, and industrial air circulation systems.
Key Features
- Original ebmpapst S4D450-AP01-01 AC axial fan
- 450 mm sickle-shaped blade impeller
- M4D074-GA three-phase external rotor motor
- 230 / 400 VAC voltage operation
- 5 steel blades painted black
- Ball bearing motor system
- Guard grille for short nozzle
- IP44 protection rating
- Insulation class F
- Suitable for continuous industrial operation
Technical Specifications
| Brand | ebmpapst |
| Model | S4D450-AP01-01 |
| Fan Type | AC Axial Fan |
| Fan Size | 450 mm |
| Dimensions | Ø522 x 164 mm |
| Motor Model | M4D074-GA |
| Motor Type | Three-phase External Rotor Motor |
| Voltage | 230 / 400 VAC |
| Frequency | 50 / 60 Hz |
| Blade Number | 5 |
| Blade Material | Steel, painted black |
| Bearing | Ball Bearing |
| Protection Rating | IP44 |
| Insulation Class | F |
| Protection Class | I |
| Weight | 7.1 kg |
Performance Data
| Voltage | Frequency | Wiring | Speed | Power | Current |
| 230 VAC | 50 Hz | Δ | 1380 RPM | 200 W | 0.83 A |
| 230 VAC | 60 Hz | Δ | 1540 RPM | 285 W | 0.92 A |
| 400 VAC | 50 Hz | Y | 1380 RPM | 200 W | 0.48 A |
| 400 VAC | 60 Hz | Y | 1540 RPM | 285 W | 0.53 A |
ErP Data
| Measurement Category | A |
| Efficiency Category | Static |
| Overall Efficiency ηes | 34.9% |
| Efficiency Grade N | 44.8 |
| Variable Speed Drive | No |
| Air Flow | 3795 m³/h |
| Pressure Increase | 91 Pa |
| Speed | 1310 RPM |
Mechanical Characteristics
| Impeller Design | Sickle-shaped blades |
| Guard Grille | Steel with black plastic coating |
| Rotor Surface | Painted black |
| Direction of Rotation | Counter-clockwise viewed toward rotor |
| Air Flow Direction | V |
| Installation Position | Shaft horizontal or rotor on bottom |
| Electrical Connection | Cable, 600 mm |
Environmental Specifications
| Minimum Ambient Temperature | -25°C |
| Maximum Ambient Temperature | 50°C |
| Operating Mode | S1 Continuous Operation |
| Moisture Protection | H0 |
Applications
- Industrial ventilation systems
- Refrigeration condenser units
- HVAC equipment
- Air handling systems
- Machine cooling applications
- OEM ventilation equipment
Replacement Information
The ebmpapst S4D450-AP01-01 is an original AC axial fan designed for industrial cooling and ventilation applications. When replacing this model, verify voltage configuration, wiring connection, mounting dimensions, airflow requirements, and mechanical compatibility before installation.
Specifications
| Manufacturer | ebmpapst |
|---|---|
| Fan Size | Ø 450 mm |
| Voltage Rated | 230 VAC, 400 VAC |
| Cooling Type | Axial Fan |
| Air Flow Range | > 1500 CFM ( > 2550 m³/h ) |
| Static Pressure Range | 50 – 120 mmH₂O ( 500 – 1200 Pa ) |
| Fan Speed Range | < 2,000 RPM |
| Shipping Weight | 23 kg |
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