Brushless motor RB-4816-CE series

BLDC18 V36 V

Product overview
RB-4816-CE is a 48 mm class Brushless DC Motor (BLDC) designed for high burst output and extreme power density. Suitable for compact, high-speed drivetrains where up to 448 W peak power and speeds above 25,000 rpm are required. Manufactured by KWC Motor, Dongguan KWC Machinery Co., Ltd.

Key facts for engineering buyers

• Product category: Brushless DC Motors (BLDC)
• Motor family: 48 mm class high-power BLDC
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: power tools, blenders, garden equipment, compact industrial drives

Specification signals

• Diameter: 48 mm
• Speed: >25,000 rpm (no-load) / ~18,500–19,100 rpm at max efficiency
• Output power: up to 448 W (variant dependent)

Target applications & solutions

• Industrial-grade power tools: suitable for cordless drills, saws, angle grinders and garden pruners where AC-like power and high efficiency (up to ~85%) improve battery runtime.
• Commercial blending & mixing: high-speed, high-torque option for commercial blenders and food processors; suitable for rapid crushing of hard ingredients.

Technical specifications (summary table)
Model | Operating Voltage Range | Nominal Voltage | No-Load Speed | Speed @ Max Efficiency | Torque @ Max Efficiency | Output Power
RB-4816-CE-N-01 | 24.0V – 40.0V | 36.0V | 24500 rpm | 18500 rpm | 1735 g·cm | 330 W
RB-4816-CE-N-02 | 12.0V – 21.0V | 18.0V | 25000 rpm | 19100 rpm | 2284 g·cm | 448 W
RB-4816-CE-N-03 | 12.0V – 26.0V | 24.0V | 25000 rpm | 18500 rpm | 1735 g·cm | 330 W
RB-4816-CE-N-04 | 12.0V – 26.0V | 24.0V | 24500 rpm | 18500 rpm | 1735 g·cm | 330 W

Customization and sourcing notes
KWC Motor supports OEM/ODM customization for voltage, speed, torque, shaft design (D-shaft, threaded, length), cable or connector requirements, gearbox integration, encoder/feedback options, and noise/EMC targets. Final performance and pricing depend on confirmed application conditions, quantities and chosen customizations.

Comparison highlights

• Power output: burst-level up to 448 W versus typically <100 W for standard 48 mm motors.
• Torque output: high torque (up to 2284 g·cm for the 448 W variant).
• Max speed: ultra-high up to 25,000 rpm.
• Voltage support: variants covering nominal voltages up to 36–40 V.

Purchasing and production notes

• Sample / MOQ guidance: samples available with no MOQ (1–5 pcs typical); pilot orders 100–500 pcs; recommended mass production from ~1000 pcs.
• Quality & compliance: 100% inspection (noise and current tested); RoHS / REACH compliant.
• Sampling lead time: standard samples typically available in 7–14 days.

Characteristics / Technical specifications (summary)

• Model / Series: RB-4816-CE
• Diameter: 48 mm
• Max speed: up to 25,000 rpm
• Typical output power: up to 448 W (variant dependent)
• Typical torque: up to 2284 g·cm (≈2.2 N·m for high-power variant)
• Efficiency: up to ~85% (application dependent)
• Available nominal voltages: examples 18.0V, 24.0V, 36.0V (ranges 12.0V–40.0V depending on variant)
• Customization: shaft length/type, mounting patterns, preassembled gears/encoders, wire harnesses, EMC/noise measures
• Compliance: RoHS / REACH