Product OverviewRB-40-62 is a 40 mm class Brushless DC Motor (BLDC) designed for high-speed air-moving and cooling applications. Typical nominal output is 160 W with a rated speed around 80,000 rpm. Standard configuration includes an 18-blade impeller; voltage ranges and mechanical features are configurable to suit OEM/ODM requirements. Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
Key Facts for Engineering Buyers- Product category: Brushless DC Motors
- Motor family: BLDC, 40 mm class
- Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
- Typical applications: high-end hair dryers, portable and industrial cooling fans, duct ventilation
Specification Signals- Diameter: 40 mm
- Voltage: 90–240 V (supports 100–120 V and 180–240 V ranges; global customization available)
- Rated speed: 80,000 ± 5,000 rpm
- Output power: 160 W
Core Applications & Solutions (Target Applications)- Quiet high-speed hair dryer (100V / 220V): 18-blade impeller reduces high-frequency noise while maintaining strong airflow; supports high-voltage direct drive for premium hair-dryer designs.
- Industrial cooling & ventilation: Large-diameter blowers and duct fans benefit from 40 mm bore, higher air volume and stable torque for long operating cycles.
Technical Specifications (datasheet summary)Data source: KWC RB-40-62 datasheet. Deep customization supported for voltage, speed and impeller.
RB-40-62-N-01 | Operating Range: 180.0V - 240.0V | Nominal: 220.0V | Rated Speed: 80,000 ± 5000 rpm | Current: 1.6 A | Output: 160 W
RB-40-62-N-02 | Operating Range: 90.0V - 120.0V | Nominal: 100.0V | Rated Speed: 80,000 ± 5000 rpm | Current: 2.5 A | Output: 160 W
Customization Notes- Standard: high-precision 18-blade impeller.
- OEM/ODM options: voltage range, nominal speed, torque, shaft length/profile, connector or cable, gearbox integration, driver PCBA pre-assembly, noise/EMC targets and mounting features.
- Pricing and lead time provided after confirmation of application, specifications, quantity and customization scope.
ComparisonComparison Item | KWC RB-40-62 (40 mm) | Standard 29 mm high-speed motor
Body Diameter | ✔ 40 mm (higher airflow) | 29 mm
Impeller Design | ✔ 18 blades (lower high-frequency noise) | 13 blades
Output Power | ✔ 160 W | Typically < 120 W
Maximum Speed | 80,000 rpm | Up to 110,000 rpm (smaller diameter)
Purchasing FAQ- Minimum order quantity (MOQ): Flexible. Samples available 1–5 pcs; trial production 100–500 pcs; recommended mass production from 1,000 pcs.
- Datasheet / drawings: Detailed datasheet and drawings available on request.
- Packaging: Industrial blister tray + high-strength outer carton for shock and ESD protection; palletization available per export requirements.
Technical characteristics / technical specifications- Model designation: RB-40-62 (variants: RB-40-62-N-01, RB-40-62-N-02)
- Diameter: 40 mm
- Rated speed: 80,000 ± 5,000 rpm
- Maximum output power: 160 W
- Typical current: 1.6 A (N-01 at 220 V); 2.5 A (N-02 at 100 V)
- Impeller: 18-blade high-precision impeller (standard)
- Applications: high-end quiet hair dryers, large-diameter cooling fans, duct ventilation, industrial cooling
- Compliance & testing: 100% dynamic balance testing; RoHS / REACH compliant
- Sample lead time: typically 7–14 days