Description
ebm-papst 4188NXM is an industrial 119 x 119 x 38 mm (4.69 x 4.69 x 1.50 in) compact DC axial fan engineered for reliable, continuous forced-air cooling in electronic enclosures. Operating on a nominal 48 VDC supply across a broad 36 to 60 VDC range, it delivers 94.2 CFM (160 m³/h) of airflow at a rated speed of 2800 RPM while consuming only 3.5 W. The rugged construction features a die-cast aluminum housing paired with a fiberglass-reinforced PA plastic impeller supported by precision dual ball bearings. Designed for long-term service in harsh conditions, it incorporates comprehensive electronic protection against reverse polarity and locked-rotor conditions, with connection facilitated via standard 2.8 x 0.5 mm flat spade terminals.
Key Features
- Rugged Metal Housing: Built with a die-cast aluminum frame that ensures structural rigidity and high thermal resistance.
- Dual Ball Bearings: Engineered with precision ball bearings providing an extensive service life of 85,000 hours at 40°C.
- Wide Voltage Range: Operates efficiently across 36 to 60 VDC to accommodate telecommunications and industrial power fluctuations.
- Integrated Protection: Features comprehensive onboard circuitry guarding against reverse polarity connections and continuous locked-rotor conditions.
- Direct Terminal Interface: Equipped with dual 2.8 x 0.5 mm male spade terminals for quick, secure electrical installation.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | 4188NXM |
| Product Series | 4100N |
| Product Category | DC Axial Fans |
| Fan / Component Type | Compact Tubeaxial Fan |
| Phase & Supply Type | DC (Direct Current) |
| Rated Voltage | 48 VDC |
| Operating Voltage Range | 36.0 to 60.0 VDC |
| Speed (RPM) | 2800 RPM |
| Power Rating | 3.5 W |
| Airflow | 94.2 CFM (160.0 m³/h) |
| Noise Level | 44.0 dB(A) |
| Sound Power Level | 5.3 Bel |
| Airflow Direction | Intake over struts |
| Direction of Rotation | Clockwise (viewed toward rotor) |
| Dimensions (L × H × D) | 119 × 119 × 38 mm (4.69 × 4.69 × 1.50 in) |
| Housing Material | Die-cast aluminum |
| Impeller Material | Glass-fiber reinforced PA plastic |
| Bearing Type | Precision Ball Bearings |
| Termination & Cable Specs | 2 Flat plug terminals 2.8 × 0.5 mm |
| Motor Protection | Electronic protection against reverse polarity and locked rotor |
| Operating Temperature | -30 to +75 °C (-22 to +167 °F) |
| Service Life (L10) | 85,000 h at 40 °C / 37,500 h at 75 °C |
| Weight | 0.390 kg (0.86 lbs) |
| Standards & Compliance | UL, CSA, VDE, CE, RoHS3 |
Applications
ebm-papst 4188NXM axial cooling fans provide mission-critical thermal management across high-density telecommunications rectifiers, optical transport switches, and cellular base station enclosures. They are frequently deployed within industrial automation hardware, variable frequency drive cabinets, and uninterruptible power supply (UPS) inverter chassis. Furthermore, their rugged metal housing makes them ideal for demanding OEM medical instrumentation and harsh industrial control panels.
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