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24V 42mm 4000 Rpm Brushless DC Motor

Application: Universal, Industrial, Household Appliances, Car, Power Tools, Engraving Machine

Product Details

Quick Details



24V 42mm 4000 Rpm brushless Dc Motor

General  Specifications:

Winding type Delta
Hall effect angle 120 degree electrical angle
Shaft run out 0.025mm
Radial play 0.02mm@450g
End play 0.08mm@450g
Max. radial force 28N @ 20mm from the flange
Max. axial force 10N
Insulation class Class B
Dielectric strength 500VDC for one minute
Insulation resistance 100MΩMin., 500VDC

Electric Specifications:


Model  JK42BLS01 JK42BLS02 JKBLS03 JKBLS04
Number of poles 8
Number of phase 3
Rated voltage          VDC 24
Rated speed            RPM 4000
Continuous stall torque  N.m 0.075 0.15 0.22 0.3
Rated torque           N.m 0.0625 0.125 0.185 0.25
Rated power            W 26 52.5 77.5 105
Peak torque            N.m 0.19 0.38 0.56 0.75
Peak current           A 5.4 10.6 15.5 20
Line to line resistance    ohms 1.8 0.8 0.55 0.28
Line to line inductance   mH 2.6 1.2 0.8 0.54
Torque constant         Nm/A 0.035 0.0355 0.036 0.0376
Back E.M.F             V/KRPM 3.66 3.72 3.76 3.94
Rotor inertia            g.cm2 24 48 72 96
Body length             mm 41 61 81 100
Mass                   Kg 0.3 0.45 0.65 0.8


Used for robots stepper motor,

Electronic automatic equipment stepping motor,

Medical instrument stepping motor,

Advertising instrument stepper motor,

Lighting& audio equipment stepper motor,

Printer stepper motor, textile machinery stepper motor.

Cnc router stepper motor.

Company Show:

Depending on advanced technology and knight service,our JKONGMOTOR & Electric Appliance CO.,LTD has established a excellent team and maintain a good  business relationship with a large amount of clients in global market.


24V 42mm 4000 Rpm Brushless DC Motor

Company Profile

Liaoning MEC Group Co., Ltd. is an integrated group company located in the coastal city of Dalian, China. The government owned company was established in 1978 and became a share holding company in 1994. Our group company engages in the business of industrial manufacturing, international trade, logistics, real estate and we also invest in various fields as shareholders of many corporations.

We have over 1,500 employees worldwide. Our average annual turnovers are more than RMB 2,200 millions and the annual volume of import and export amounts to more than USD 250 millions.

As one of the first class power equipment suppliers in China, our product line covers transformer, switchgear, mobile substation, circuit breaker, lightning arrester and other substation & transmission line equipment. Our products have been supplied to many companies all over the world which enjoy high reputations from our customers with high quality and excellent service.


Our Advantages:

Quality Assurance

 --From the very beginning, MEC ensures quality in every step to achieve the best quality.

Experience Sharing

 --With more than 30 years’ experience in power industry, MEC brings you an optimized solution.

Global Service

 --Wherever you are, MEC global network will support and provide you with value.

Quick Response

 --In response to your needs without delay, MEC knows the value of your time.

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