Outrunner Brushless DC Motor


Outrunner Brushless DC Motor


Solar tracking & cleaning systems, HVAC systems, Electric vehicles, Hand-held power tools


BO42(100W) is an outrunner brushless DC motor. It has a rated speed of 5800 RPM and delivers an exceptional 17cNm of torque. It has a compact 43mm diameter and 30mm height. This outrunner BLDC motor comes in sensor and sensorless versions to suit diverse control needs. 

It can be paired with planetary gearboxes or spur gearboxes to optimize the output torque and speed. Optional driver units are available as add-ons upon request. It is well-suited for industries like solar, HVAC, electric vehicles, and handheld power tools where space is limited but high torque output is required. 

Standard Data
Motor type Outrunner brushless DC motor
Configuration 12N-16P
Ambient Temperature Operation -40˚C to +100˚C
Storage & Transport Temperature -60˚C to +120˚C
Weight 140 g
Electrical Enclosure IP 40 (As per IEC 60529)
Life expectancy ≥5000 hours @ Rated Torque

Technical Data

Mechtex Physical data No load data Data at Rated Torque Stall
MODEL No. Dia x height Voltage Speed Current Speed Current Torque Power Torque Current
BO4230-24 43 x 30 mm 24 VDC 5800 RPM 350 mA 4250 RPM 4.2 A 17 cNm 72 W(Out) 234 cNm 61 A
BO4230-18 43 x 30 mm 18 VDC 5250 RPM 470 mA 3470 RPM 5.6 A 18 cNm 63 W(Out) 175 cNm 53 A

*Other speed & voltages on special request

Available Customizations
Inbuilt driver
Customized motor speed
Dust cover (Upto IP 65**)
22 AWG x 200mm ends tinned and stripped
Customized shaft
Hollow shaft for robotics and gimbal applications
Dimensional Drawing

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