Description
The ebm-papst S4E360-EC20-51 (also known as S4E360EC2051) is an industrial AC axial fan assembly driven by an integrated M4E068-DF external rotor motor and equipped with a robust protective wire guard grille for full nozzle installations. Engineered with a 360 mm (14.17 in) 4-blade sickle impeller made of PP plastic (K series), this unit delivers up to 1439 CFM (2445 m³/h) under free air delivery with a maximum back pressure rating of 55 Pa (0.22 in H₂O). Operating on single-phase 230 VAC (50/60 Hz) power, it features dual precision ball bearings, S1 continuous duty mode, and an internally wired thermal overload protector (TOP). Electrical connection is facilitated through an axial-exit 4-conductor AWG20 PVC lead harness with crimped wire tips, ensuring reliable integration in demanding industrial environments.
Key Features
- Aerodynamic K-Series Impeller: Four-blade PP plastic geometry delivers optimal airflow dynamics while maintaining low suction acoustic emissions.
- Protective Guard Grille: Integrated steel guard grille tailored for full nozzle mounting provides structural stability and debris protection.
- Durable External Rotor Motor: Features black-coated rotor housing with internal thermal overload protection and sealed S1 ball bearings.
- Dual-Frequency Operation: Supports both 50 Hz and 60 Hz 230 VAC lines using a standard 3 µF run capacitor.
- Industrial Environmental Rating: Built to IP44 ingress protection standards with integrated rotor-side condensation drainage holes for moisture management.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | S4E360-EC20-51 |
| Alternate Part Number | S4E360EC2051 |
| Integrated Motor Model | M4E068-DF |
| Product Series | S4E360 / K Series |
| Product Category | AC Axial Fans |
| Fan / Component Type | AC Axial Fan with Guard Grille for Full Nozzle |
| Phase & Supply Type | Single-Phase (1~), AC |
| Rated Voltage | 230 VAC |
| Frequency | 50 / 60 Hz |
| Speed (RPM) | 1320 RPM (50 Hz) / 1430 RPM (60 Hz) |
| Power Rating | 115 W (50 Hz) / 145 W (60 Hz) |
| Rated Current | 0.54 A (50 Hz) / 0.64 A (60 Hz) |
| Starting Current | 1.1 A (50 Hz) / 1.06 A (60 Hz) |
| Motor Capacitor | 3.0 µF / 400 VDB (P0 standard CE) |
| Airflow | 1339 CFM (2275 m³/h @ 50 Hz) / 1439 CFM (2445 m³/h @ 60 Hz) |
| Static Pressure (Max. Back Pressure) | 0.221 in H₂O (55 Pa @ 50 Hz) / 0.161 in H₂O (40 Pa @ 60 Hz) |
| Noise Level | 59.0 dB(A) |
| Airflow Direction | Direction ‘V’ (Intake over struts / guard grille) |
| Impeller Size | Ø 360 mm (14.17 in), 4 Blades |
| Outer Frame Dimensions | Ø 400 mm (15.75 in) Guard Grille Flange Dia., 98 mm (3.86 in) Depth |
| Impeller Material | PP Plastic (Polypropylene) |
| Guard Grille Material | Steel Wire, Coated |
| Rotor Surface | Coated in Black |
| Bearing Type | Dual Maintenance-Free Ball Bearings |
| Direction of Rotation | Counter-Clockwise (Seen on Rotor) |
| Installation Position | Shaft horizontal or rotor on bottom; rotor on top on request |
| Condensation Drainage Holes | Rotor-Side |
| Operating Mode / Duty Cycle | Continuous Operation (S1) |
| Weight | 3.0 kg (6.6 lbs) |
| Termination & Cable Specs | Axial Cable Exit, PVC 4G AWG20 Harness, 4x Crimp Tips |
| Wiring Pinout / Connection | U1 = Blue, Z = Brown, U2 = Black, PE = Green/Yellow |
| Motor Protection | Thermal Overload Protector (TOP) internally wired |
| Touch Current (IEC 60990) | < 0.75 mA (TN System, Measuring Network Fig. 4) |
| Electrical Protection Class | Class I (with PE connected) |
| Insulation Class | Class B |
| Ingress Protection (IP) | IP44 (depending on installation per EN 60034-1) |
| Moisture / Environmental Class | Humidity Class F1-2 |
| Operating Temperature | -25°C to +40°C (-13°F to +104°F) |
| Permissible Storage / Transport Temperature | -40°C to +80°C (-40°F to +176°F) |
| Standards & Compliance | CE, EN 60335-1, UL 2111, CSA, VDE, RoHS3 Compliant |
Applications
The ebm-papst S4E360-EC20-51 axial fan is primarily engineered for commercial refrigeration condensers, evaporators, cold room chillers, and industrial heat pump units. It serves as a dependable air-moving solution in packaged HVAC condensing systems, industrial air handlers, and compressor enclosure cooling bays requiring high-volume throughput across finned coils. Additionally, maintenance teams and equipment builders deploy this grille-mounted assembly in agricultural ventilation louvers, drying chambers, and process heat exchange towers.
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