High Torque Automotive Electric BLDC Motor-W4241
Production introduction
Brushless DC motor technology offer several advantages including high torque to weight ratio, increased efficiency and reliability, reduced noise and longer lifetime compared to brushed DC motors. Retek motion offers a wide variety of high quality BLDC motors technologies such as Slotted, Flat and low voltage motors in sizes from 28 to 90mm diameter. Our brushless DC motors offer high torque density and high volume capabilities and all of our models can be customized to fulfill your specific requirements.
General Specification
- ● Voltage Range: 12VDC, 24VDC, 36VDC, 48VDC.
- ● Output Power: 15~150 watts.
- ● Duty: S1, S2.
- ● Speed Range: 1000 to 6,000 rpm.
- ● Operational Temperature: -20°C to +40°C.
- ● Insulation Grade: Class B, Class F.
- ● Bearing Type: SKF, NSK bearings.
- ● Shaft materials: #45 Steel, Stainless Steel, Cr40.
- ● Optional housing surface treatment: Powder Coated, Painting.
- ● Housing Type: IP67,IP68.
- ● RoHS and Reach Compliant.
Application

Dimension

Typical Performance
|
Items |
Unit |
Model |
|||
|
W4241 |
W4261 |
W4281 |
W42100 |
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|
Number Of Phase |
Phase |
3 |
|||
|
Number of Poles |
Poles |
8 |
|||
|
Rated Voltage |
VDC |
24 |
|||
|
Rated Speed |
RPM |
4000 |
|||
|
Rated Torque |
N.m |
0.0625 |
0.125 |
0.185 |
0.25 |
|
Rated Current |
AMPs |
1.8 |
3.3 |
4.8 |
6.3 |
|
Rated Power |
W |
26 |
52.5 |
77.5 |
105 |
|
Peak Torque |
N.m |
0.19 |
0.38 |
0.56 |
0.75 |
|
Peak Current |
AMPs |
5.4 |
10.6 |
15.5 |
20 |
|
Back E.M.F |
V/Krpm |
4.1 |
4.2 |
4.3 |
4.3 |
|
Torque Constant |
N.m/A |
0.039 |
0.04 |
0.041 |
0.041 |
|
Rotor Interia |
g.cm2 |
24 |
48 |
72 |
96 |
|
Body Length |
mm |
41 |
61 |
81 |
100 |
|
Weight |
kg |
0.3 |
0.45 |
0.65 |
0.8 |
|
Sensor |
Honeywell |
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|
Insulation Class |
B |
||||
|
Degree of Protection |
IP30 |
||||
|
Storage Temperature |
-25~+70℃ |
||||
|
Operating Temperature |
-15~+50℃ |
||||
|
Working Humidity |
<85%RH |
||||
|
Working Environment |
No direct sunlight, non-corrosive gas,oil mist, no dust |
||||
|
Altitude |
<1000m |
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Typical Curve

FAQ
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1. What are your prices?
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2. Do you have a minimum order quantity?
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3. Can you supply the relevant documentation?
Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required. -
4. What is the average lead time?
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5. What kinds of payment methods do you accept?



