Brushless motor RB-4266-68 series

BLDC12 V18 V

Product overview
RB-4266-68 is a 42 mm brushless DC motor (BLDC) from KWC Motor designed for applications requiring high power density and configurable electrical/mechanical interfaces.

Key facts for engineering buyers

• Product category: Brushless DC Motors (BLDC)
• Motor family: RB-4266 series
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: commercial food processors, heaters, centrifuges, pumps, actuators

Specification signals

• Diameter: 42 mm
• Body length: 66 mm (extended design)
• Output power: up to 72 W (standard N-03); N-04 is a high-power variant (~156.8 W)
• Stall torque: approx. 1.4 N·m

Customization and sourcing notes
KWC Motor supports OEM/ODM customization for operating voltage, speed, torque, shaft design (D-shaft / threaded), mounting pattern, gearbox integration, encoders, cable/connector options, control requirements, and EMC/noise targets. Final pricing and lead times are quoted after confirming application details, specifications, quantity, and customization scope.

Target applications & solutions

• Premium kitchen appliances & medical centrifuges: commercial food processors, mixers, and high-speed centrifuges requiring high torque and smooth, low-noise operation.
• Automotive devices & industrial fluid systems: parking heaters, air compressors, pumps and actuators where compact high-power motors are needed.

Technical specifications (selection)

• RB-4266-68-N-01 | Operating Voltage: 9.0V–26.0V | Nominal: 12.0V | No-load: 4750 rpm | Speed @ max eff.: 3800 rpm | Torque @ max eff.: 800 g·cm | Output: 38.0 W
• RB-4266-68-N-02 | Operating Voltage: 9.0V–26.0V | Nominal: 18.0V | No-load: 7200 rpm | Speed @ max eff.: 6000 rpm | Torque @ max eff.: 802 g·cm | Output: 54.0 W
• RB-4266-68-N-03 | Operating Voltage: 9.0V–26.0V | Nominal: 24.0V | No-load: 9500 rpm | Speed @ max eff.: 8000 rpm | Torque @ max eff.: 867 g·cm | Output: 72.0 W
• RB-4266-68-N-04* | Operating Voltage: 9.0V–26.0V | Nominal: 24.0V | No-load: 5000 rpm | Speed @ max eff.: 3150 rpm | Torque @ max eff.: 1600 g·cm | Output: 156.8 W (custom high-power)

Features / technical summary

• Model series: RB-4266-68
• Diameter: 42 mm
• Body length: 66 mm (extra winding capacity)
• Voltage range: typically 9.0 V – 26.0 V; nominal voltages by variant: 12 V / 18 V / 24 V
• No-load and efficiency point speeds vary by variant (examples provided above)
• Customization: voltage, speed, torque, shaft form, mounting, gears/encoders, wiring/terminals, EMC/noise measures
• Data source: KWC RB-4266-68 specification sheet; confirm final values for selected variant and operating conditions