





BLDC Motor Series 42mm
High-efficiency BLDC motor with an 42 mm frame and durable round housing. Designed for compact installations. Delivers outstanding performance, smooth operation, and superior energy efficiency. Customizable with gear boxes, mounting flange, encoder and integrated driver. CE, RoHS, REACH Compliant.
General Specification
Item | Specification |
---|---|
Winding type | Star |
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 | 15N@10mm form the flange |
Max.axial force | 10N |
Insulation class | Class B |
Dielectric strength | 500VDC for one minute |
Insulation resistance | 100MΩ Min..500VDC |
Electrical Specification
Item | Unit | BLDC42-1 | BLDC42-2 | BLDC42-3 | BLDC42-4 |
---|---|---|---|---|---|
Number Of Phase | Phase | 3 | |||
Number Of Poles | Poles | 4 | |||
Rated Voltage | VDC | 24 | 36 | 24 | 24 |
Rated Speed | Rpm | 3500 | 4000 | 4000 | 6300 |
Rated Torque | mN.m | 18 | 80 | 150 | 115 |
Rated Power | W | 6.5 | 32 | 62 | 76 |
Peak Torque | mN.m | 60 | 240 | 450 | 500 |
Peak Current | Amps | 1.5 | 5 | 7.5 | 10 |
Torque Constant | mN.m/A | 48.7 | 38.5 | 38.6 | 28.7 |
Rotor lnertia | g.c㎡ | 15.6 | 33 | 84 | 94 |
Body Length | mm | 30 | 60 | 85 | 93 |
Weight | Kg | 0.25 | 0.35 | 0.7 | 0.8 |
Sensor | Honeywell | ||||
Insulation Class | B | ||||
Degree of Protection | IP30 | ||||
Storage Temperature | -25~+70℃ | ||||
Operating Temperature | -15~+50℃ | ||||
Working Humidity | 85% RH or lower (no condensation) {≤85% RH} | ||||
Working Environment | Outdoor (no direct sunlight), no corrosive gases, no flammable gases, no oil mist, no dust | ||||
Altitude | 1000 meters or less |
Application in Different Scenarios







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Customer Service
United Motion Inc.’s motion solution apply in diverse areas all around the world.
Our sales and engineering support teams are ready to assist you with any questions, including quotation, application support, and product configuration.
Please submit your requirements through our Custom Service Form to ensure a faster response. Or you can reach us at info@unitedmotioninc.com or (+1) 815.764.3849 for general inquiries.
Tell Us About Your Application Requirements
United Motion Inc welcomes inquiries and challenges. If you find our standard products cannot meet your need, please feel free to contact us for customization. Our professional engineering and service team will quickly review your need and propose a solution if we can make it.
We look forward to communicating and collaborating with you!