Brushless motor RB-2832-68 series

BLDC12 V24 V

Product Overview
RB-2832-68 is a Brushless DC Motor (BLDC) designed for smart fans, surgical tools, electric curtains and pumps. It is a 28 mm high-torque BLDC motor with an extended 32.6 mm body, delivering up to 85.4 g·cm torque for high-load, compact applications.

Key Facts for Engineering Buyers

• Product category: Brushless DC Motors
• Motor family: Brushless DC Motor (BLDC)
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: smart fans, surgical tools, electric curtains, pumps

Specification Signals

• Diameter: 28 mm
• Torque: up to 85 g·cm (variant-dependent)

Technical Specifications
Model | Operating Voltage Range | Nominal Voltage | No-Load Speed | Max Efficiency Speed | Max Efficiency Torque | Output (at Max Efficiency)
RB-2832-68-N-01 | 9.0V - 16.0V | 12.0V | 6100 rpm | 5140 rpm | 68.47 g·cm | 3.62 W
RB-2832-68-N-02 | 9.0V - 16.0V | 12.0V | 5105 rpm | 4313 rpm | 57.56 g·cm | 2.55 W
RB-2832-68-N-03 | 9.0V - 16.0V | 12.0V | 8510 rpm | 7220 rpm | 85.41 g·cm | 6.33 W
RB-2832-68-N-04 | 18.0V - 30.0V | 24.0V | 5912 rpm | 4911 rpm | 54.99 g·cm | 2.77 W

Customization and Sourcing Notes
KWC Motor supports OEM/ODM customization for voltage, speed, torque, shaft design (length/type), cable or connector requirements, gearbox integration (pre-assembly of gears/worm), encoder integration, lead wire/terminal options, and noise or EMC countermeasures. Pricing and final performance data depend on confirmed application, specifications and quantity.

Target Applications & Solutions

• Smart Home & Home Appliances: quiet, efficient drive for smart fans, motorized curtains, blenders, handheld vacuum cleaners; high efficiency extends battery runtime in cordless devices.
• Medical & Industrial Automation: high torque and reliability for surgical power tools, medical micro pumps, centrifuges, electric valves, electric screwdrivers; suitable where low EMI and long life are required.

Why External Rotor Design (high inertia)
The RB-2832-68 uses an external rotor design which provides a larger moment of inertia compared with internal-rotor motors, resulting in stronger torque and smoother speed stability for applications with fluctuating loads.

Caractéristiques / Spécifications techniques

• Model family: RB-2832-68
• Diameter: 28 mm
• Extended body length: 32.6 mm
• Torque (variant): 57.56 g·cm – 85.41 g·cm (example: RB-2832-68-N-03 = 85.41 g·cm)
• Operating voltage ranges (by variant): 9.0V–16.0V, 18.0V–30.0V
• Nominal voltages (by variant): 12.0V, 24.0V
• No-load speeds (examples): 5105 rpm, 5912 rpm, 6100 rpm, 8510 rpm
• Max efficiency speeds (examples): 4313 rpm, 4911 rpm, 5140 rpm, 7220 rpm
• Output at max efficiency (examples): 2.55 W, 2.77 W, 3.62 W, 6.33 W
• Typical applications: smart fans, surgical tools, electric curtains, pumps, medical micro pumps, centrifuges, electric valves, electric screwdrivers
• Customization options: voltage, speed, torque tuning; shaft length and type (D-shaft/threaded); mounting hole patterns; optional pre-assembly of gears, worm, encoder; lead wires/terminals; EMC/noise countermeasures
• Quality & testing: 100% noise and current testing; RoHS/REACH compliance; sampling and mass-production capabilities described