Description
The ebm-papst RLF35-8/12N (also known as RLF35812N) is a high-performance single-intake DC centrifugal blower fan engineered with a forward-curved impeller and an integrated scroll housing measuring 51 x 51 x 15 mm (2.01 x 2.01 x 0.59 in). Operating on a nominal 12 VDC supply across an 8.0 to 13.2 VDC range, this compact blower delivers an airflow of 5.65 CFM (9.6 m³/h) at a rated speed of 6700 RPM while consuming just 3.5 W. Built with glass-fiber reinforced plastic housing and impeller components, it utilizes precision dual ball bearings, integrated electronic locked-rotor protection, reverse polarity protection, and stranded AWG 26 lead wire termination for maximum operational reliability.
Key Features
- High-Pressure Centrifugal Design: Forward-curved impeller and scroll housing generate targeted radial air delivery through densely packed electronic enclosures.
- Precision Ball Bearings: Dual ball bearing system ensures exceptional operational durability with an L10 life of 60000 hours.
- Comprehensive Motor Protection: Integrated electronic circuitry protects internal motor coils against reversed polarity and prolonged locked-rotor fault conditions.
- Durable Reinforced Construction: Glass-fiber reinforced plastic scroll housing and impeller resist mechanical stress and thermal fatigue during continuous operation.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | RLF35-8/12N |
| Alternate Part Number | RLF35812N |
| Product Series | RLF 35 |
| Product Category | DC Blower Fans |
| Fan / Component Type | DC Centrifugal Compact Fan (Scroll Housing) |
| Phase & Supply Type | DC |
| Rated Voltage | 12 VDC |
| Operating Voltage Range | 8.0 to 13.2 VDC |
| Speed (RPM) | 6700 RPM |
| Power Rating | 3.5 W |
| Airflow | 5.65 CFM (9.6 m³/h) |
| Noise Level | 5.5 Bel (55.0 dB(A)) |
| Airflow Direction | Axial intake, radial discharge from outlet |
| Dimensions (L × H × D) | 51 x 51 x 15 mm (2.01 x 2.01 x 0.59 in) |
| Housing Material | Scroll housing made of glass-fiber reinforced plastic |
| Impeller Material | Glass-fiber reinforced plastic |
| Impeller Design | Forward-curved |
| Bearing Type | Ball bearing |
| Weight | 0.040 kg (0.088 lbs) |
| Termination & Cable Specs | 2 stranded leads, AWG 26, TR 64 |
| Motor Protection | Electronic locked-rotor protection and reverse polarity protection |
| Ingress Protection (IP) | IP20 |
| Operating Temperature | -20 to +70 °C (-4 to +158 °F) |
| Service Life (L10) | 60000 h at 40 °C / 30000 h at 70 °C |
| Standards & Compliance | CE, RoHS |
Applications
The ebm-papst RLF35-8/12N centrifugal blower is engineered for localized spot cooling and ducted thermal management inside high-density industrial and embedded computing equipment. It is widely integrated into telecom rectifiers, optical transceivers, network routing chassis, compact embedded industrial PCs, and automated laboratory instrumentation. OEM system engineers and MRO facility technicians also deploy this compact blower for targeted airflow diversion across power semiconductor heat sinks and medical point-of-care diagnostic analyzers.
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