Brushless Motor BLDC 57BL109 24V 184W 4700RPM NEMA23

The brushless motor BLDC 57BL109 is a high-efficiency, industrial-grade
brushless electric motor designed for demanding motion control applications.
With 184W rated power, 0.44Nm torque, and 4700RPM speed, this brushless DC motor
offers smooth rotation, low noise, and long service life, making it ideal for CNC equipment,
robotics, and automation systems.

Key Features

• Rated voltage: 24V DC, rated power: 184W
• Rated speed: 4700RPM, no-load speed: 4000RPM
• Rated torque: 0.44Nm
• Rated current: 7.3A, insulation class B
• Compatible with brushless DC motor driver and controllers
• Low vibration, high efficiency, maintenance-free operation

Technical Specifications

Parameter	Specification
Number of Phases	3
Number of Poles	4
Rated Voltage	24 VDC
Rated Speed	4700 ±10% RPM
No Load Speed	4000 ±10% RPM
Rated Current (Max.)	7.3 A
Rated Power	184 W
Rated Torque	0.44 N.m
Insulation Resistance	100MΩ min (500V DC)
Ambient Temperature	-20°C ~ +50°C
Ambient Humidity	15% ~ 95%
Motor Weight	Approx. 1.1 Kg
Insulation Class	B

Electrical Connection Table

Wire	Phase/Signal	Description
Red (RED)	+5V	Hall sensor power supply
Yellow (YEL)	HALL U	Hall sensor signal U
Green (GRN)	HALL V	Hall sensor signal V
Blue (BLU)	HALL W	Hall sensor signal W
Black (BLK)	GND	Ground
Yellow (YEL)	PHASE U	Motor phase U
Green (GRN)	PHASE V	Motor phase V
Blue (BLU)	PHASE W	Motor phase W

Applications

• Industrial automation and CNC machinery
• Robotics and AGV systems
• Precision positioning and motion control
• 3D printing and laboratory instruments
• High-efficiency industrial systems

FAQ

How does a brushless motor work?

A brushless DC motor uses electronic commutation instead of brushes. Hall sensors detect rotor position, and the controller switches current through stator windings to create a rotating magnetic field that drives the rotor smoothly.

Brushless DC motor vs brushed DC motor

BLDC motors provide higher efficiency, longer service life, lower maintenance, and quieter operation than brushed DC motors.

Brushless DC motor and controller

The brushless DC motor driver manages commutation, speed, and torque, ensuring precise and stable operation.

Brushless motor speed controller

A brushless motor speed controller adjusts voltage and commutation sequence to control RPM and torque for automation systems.

Download Datasheet

Download the full specification sheet for detailed parameters, wiring guide, and performance curves.

📄 Download PDF Datasheet