Brushless motor RB-5510-32 series

BLDC18 V21.6 V

Product Overview
RB-5510-32 is a Brushless DC Motor (BLDC) from KWC Motor designed for high-suction cordless vacuum cleaners, dust mite removers and hand dryers. The 55 mm diameter design supports up to 380 W output and stable operation around 80,000 rpm. OEM/ODM customization is available for voltage, speed and mechanical interfaces.

Key Facts for Engineering Buyers

• Product category: Brushless DC Motors (BLDC)
• Motor family: RB-5510 series, 55 mm class
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: high-suction cordless vacuums, mite removers, high-speed hand dryers

Specification Signals

• Diameter: 55 mm
• Voltage: 18.0 V – 21.6 V (customizable; operating range examples 17.0V–26.0V)
• Speed: ~80,000 rpm (80,000 ± 3,000 rpm typical)
• Output Power: 380 W

Target Applications & Solutions

• High-Power Cordless Vacuum Cleaners: Engineered for flagship handheld units; 380 W output can enable vacuum pressures above 25 kPa for deep cleaning.
• Mite Removers & High-Speed Hand Dryers: High airflow and pressure enable efficient dust extraction and fast drying compared with conventional universal motors.

Technical Specifications (table)
Model | Operating Voltage Range | Nominal Voltage | Rated Speed | Current | Output Power | Efficiency
RB-5510-32-N-01 | 17.0V – 26.0V | 18.0V | 80,000 ± 3,000 rpm | 21.1 A | 380 W | > 50%
RB-5510-32-N-02 | 17.0V – 26.0V | 21.6V | 80,000 ± 3,000 rpm | 17.5 A | 380 W | > 50%

Customization and Sourcing Notes
Supports OEM/ODM customization of voltage, speed, torque, shaft geometry, cable/connectors, gearbox integration, control boards and EMC/noise targets. Standard configuration includes a high-strength aluminum alloy impeller. Final pricing provided after confirmation of application, specifications, quantity and any custom requirements.

Factory Capabilities & Quality

• Factory-direct manufacturing with tooling workshop and automated assembly lines
• Cost advantage from direct factory pricing and high-volume capacity
• Engineering support for specification review and integration
• 100% inspection including dynamic balancing and noise testing; RoHS / REACH compliant
• Sample lead time typically 7–14 days; stable mass-production capability for volume orders

Characteristics / technical specifications

• Model: RB-5510-32 (variants: RB-5510-32-N-01, RB-5510-32-N-02)
• Diameter: 55 mm
• Typical operating voltage: 18.0 V (variants cover 17.0V–26.0V)
• Rated speed: 80,000 ± 3,000 rpm
• Output power: 380 W
• Typical current: 17.5 A (21.6V nominal) to 21.1 A (18.0V nominal)
• Efficiency: > 50%
• Standard impeller: high-strength aluminum alloy
• Available customizations: voltage, speed, torque, shaft, cables/connectors, gearbox integration, EMC/noise measures, motor+blower assemblies