Description
The ebm-papst W2E143-AB15-01 (also known as W2E143AB1501) is an industrial AC compact axial fan driven by an integrated M2E052-BF single-phase external rotor motor, housed in a durable 172 x 51 mm (6.77 x 2.01 in) round die-cast aluminum wall ring frame. Engineered for high-throughput ventilation, it delivers up to 295 CFM (500 m³/h) of free-air flow and withstands static back pressures up to 0.34 in H₂O (85 Pa) across dual 50/60 Hz frequencies. The aerodynamic assembly utilizes five black-finished sheet steel blades rotating counterclockwise toward the rotor, riding on maintenance-free precision ball bearings for continuous S1 duty. Integrated thermal overload protection (TOP) safeguards the internal motor windings, while electrical connection is established via two 2.8 x 0.5 mm flat male terminal lugs.
Key Features
- Die-Cast Aluminum Frame: Rugged black-painted aluminum wall ring housing guarantees long-term mechanical stability under high thermal operating conditions.
- Sheet Steel Impeller: Five aerodynamically balanced black-coated sheet steel blades deliver robust air delivery up to 295 CFM.
- Thermal Overload Protection: Factory-integrated auto-reset thermal protector guards internal motor windings against overheating and locked-rotor damage.
- Continuous Ball Bearings: Heavy-duty sealed dual ball bearing system permits unrestricted all-position mounting for continuous S1 industrial service.
- Quick Terminal Termination: Integrated dual 2.8 x 0.5 mm flat blade quick-connect spade lugs streamline panel wiring installation.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | W2E143-AB15-01 |
| Alternate Part Number | W2E143AB1501 |
| Integrated Motor Model | M2E052-BF |
| ebm-papst Item Number | 10980-5-9980 |
| Product Series | W2E143 |
| Product Category | AC Axial Fans |
| Fan / Component Type | AC Axial Compact Fan with Wall Ring |
| Phase & Supply Type | 1~ Single-Phase AC |
| Rated Voltage | 115 VAC |
| Frequency | 50 Hz / 60 Hz |
| Speed (RPM) | 2850 RPM (50 Hz) / 3300 RPM (60 Hz) |
| Power Rating | 26 W (50 Hz) / 29 W (60 Hz CE) / 33 W (60 Hz UL 507) |
| Max. Power Consumption | 34 W (at 85 Pa back pressure) |
| Rated Current | 0.25 A (50 Hz) / 0.26 A (60 Hz) |
| Max. Current Draw | 0.29 A (at 85 Pa back pressure) |
| Run Capacitor Rating | 3.0 µF |
| Run Capacitor Voltage | 250 VDB (Safety Class S0) |
| Airflow | 250 CFM (425 m³/h at 50 Hz) / 295 CFM (500 m³/h at 60 Hz) |
| Max. Static Pressure | 0.26 in H₂O (65 Pa at 50 Hz) / 0.34 in H₂O (85 Pa at 60 Hz) |
| Noise Level | 58.0 dB(A) |
| Airflow Direction | Direction ‘V’ (Exhaust over struts) |
| Impeller Size | Ø 143 mm (5.63 in) |
| Number of Blades | 5 |
| Housing Dimensions (L × W × D) | 182 × 171.5 × 51.0 mm (7.17 × 6.75 × 2.01 in) |
| Fan Housing Material | Die-cast aluminum, painted black |
| Blade Material | Sheet steel, painted black |
| Rotor Surface | Rotor open, painted black |
| Bearing Type | Dual Ball Bearing |
| Direction of Rotation | Counterclockwise, viewed toward rotor |
| Installation Position | Any (Horizontal or Vertical) |
| Condensation Drainage Holes | None, open rotor |
| Operating Mode / Duty Cycle | S1 (Continuous operation) |
| Weight | 0.94 kg (2.07 lbs) |
| Electrical Hookup / Termination | 2 Flat Plugs (Spade terminals 2.8 × 0.5 mm) |
| Motor Protection | Thermal overload protector (TOP) internally connected |
| Electrical Protection Class | Class I (with customer connection of protective earth) |
| Touch Current (IEC 60990) | < 0.75 mA (Measuring circuit Fig. 4, TN system) |
| Insulation Class | Class B |
| Ingress Protection (IP) | IP20 |
| Moisture / Environmental Class | H0+ |
| Operating Temperature Range | -25 °C to +60 °C (-13 °F to +140 °F at 50 Hz) / -25 °C to +75 °C (-13 °F to +167 °F at 60 Hz) |
| Permissible Storage / Transport Temp. | -40 °C to +80 °C (-40 °F to +176 °F) |
| Standards & Approvals | EN 60335-1, CE, UKCA, VDE, UL 507, EAC, CCC, CSA C22.2 No. 113, RoHS Compliant |
Applications
The ebm-papst W2E143-AB15-01 AC axial compact fan provides critical forced-air thermal evacuation across automated manufacturing equipment, industrial control electronics, and machine tool cabinets. It is extensively installed inside variable frequency drives, uninterruptible power supply enclosures, servo drive chassis, and commercial welding power converters to eliminate concentrated heat pockets. Maintenance engineers and system integrators also rely on this metal-frame unit for retrofitting legacy electrical distribution gear, medical power racks, and process instrumentation panels.
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