We have our own factory with complete molds and a complete set of production processes.
Basic Size: 42mm
Length (mm): 21.3mm-31.3mm
Rated Voltage (VDC): 24VDC
Rated Torque (N.m): 0.06-0.13N.m
Rated Speed (Rpm): 5000Rpm
if there is any quality problem after receiving bikes, we will solve them by our after-sale team with professional knowledge, once checked its problem, we will provide free replacement under warranty.
if there is any quality problem after receiving bikes, we will solve them by our after-sale team with professional knowledge, once checked its problem, we will provide free replacement under warranty.
Outer rotor brushless dc motor a rotor inside and a much higher moment of inertia of the rotor (on the main quality is concentrated in the shell of the rotor), so the speed slower than inner rotor motor, which can be used to directly drive the load, and eliminate the mechanical retarding mechanism, especially suitable for low speed high torque, small volume, high output power.
Basic Size: 42mm
Length (mm): 21.3mm-31.3mm
Rated Voltage (VDC): 24VDC
Rated Torque (N.m): 0.06-0.13N.m
Rated Speed (Rpm): 5000Rpm
Product Description
The 42EL series external rotor brushless motor adopts advanced external rotor design and is equipped with a high inertia rotor internally.
Outer Rotor Brushless Motor is a remarkable motor design that emphasizes low speed high torque, making it ideal for applications that require high torque at low RPM. The defining feature of the outer rotor brushless motor is its ability to deliver high torque even at low rotational speeds. This high torque low RPM motor configuration offers exceptional performance, reliability, and control in various demanding applications.
The outer rotor brushless motor stands out due to its unique combination of low speed high torque capabilities. This motor design enables efficient power transmission and precise control, making it well-suited for tasks that demand substantial torque output at lower speeds. With its outer rotor configuration, this motor maximizes torque generation, ensuring optimal performance in applications where heavy loads or high torque requirements are involved.
Electrical Specifications
Motor Model | 42ELTH243550 | 42ELTH245050 | 42ELTH247050 |
Number of Phase | 3 | ||
Number of Poles | 16 | ||
Rated Voltage (VDC) | 24 | ||
Rated Speed (Rpm) | 5000 | ||
Rated Torque (N.m) | 0.06 | 0.1 | 0.13 |
Rated Power (W) | 35 | 50 | 70 |
Rated Current (A) | 2.2 | 3.2 | 4.4 |
Peak Current (A) | 6.6 | 9.6 | 13.2 |
Peak Torque (N.M) | 0.18 | 0.3 | 0.39 |
Rotor Inertia (kg.cm2) | 0.13 | 0.23 | 0.33 |
Torque Constant (N.m/A) | 0.03 | 0.03 | 0.0.3 |
Torque Constant (V/krpm) | 2.8 | 2.8 | 2.8 |
Line-Line Resistance (Ω) | 2.0 | 1.5 | 1.0 |
Line-Line Inductance (mH) | 1.5 | 1.0 | 0.5 |
Length (mm) | 21.3 | 26.3 | 31.3 |
Weight (kg) | 0.12 | 0.18 | 0.24 |
*Note: We can manufacture products according to customer's requirements.
Wiring Diagram
Dimensions(Unit: mm)