57mm Nema 17 Brushless DC Motor 7A 138W 4Pole 24V 3Phase 1.32Nm 3000RPM
Brushless DC motors can be controlled, using feedback mechanisms, to delivery precisely the desired torque and rotation speed. Precision control in turn reduces energy consumption and heat generation, and—in cases where motors are battery powered—lengthens the battery life. Brushless DC motors also offer high durability and low electric noise generation, thanks to the lack of brushes. With brushed motors, the brushes and commutator wear down as a result of continuous moving contact, and also produce sparks where contact is made. Electrical noise, in particular, is the result of the strong sparks that tend to occur at the areas where the brushes pass over the gaps in the commutator. This is why Brushless DC motors are often considered preferable in applications where it is important to avoid electrical noise.
Electrical Specification Of Brushless DC Motor
| | | Model | Model | Model | Model | Model | Model | | Specification | Unit | 57BL01G | 57BL02A | 57BL03B | 57BL04A | 57BL05A | 57BL06 | | Number Of Phases | Phase | 3 | 3 | 3 | 3 | 3 | 3 | | Number Of Poles | Poles | 4 | 4 | 4 | 4 | 4 | 4 | | Rated Voltage | VDC | 24 | 24 | 24 | 24 | 24 | 24 | | Rated Speed | Rpm | 2500 | 3000 | 3000 | 3000 | 3000 | 3000 | | Rated Current | A | 0.77 | 1.87 | 3.17 | 3.67 | 5.33 | 7.00 | | Rated Torque | N.m | 0.057 | 0.11 | 0.18 | 0.22 | 0.33 | 0.44 | | Rated Power | W | 15 | 34.5 | 56 | 69 | 104 | 138 | | Peak Torque | N.m | 0.17 | 0.33 | 0.54 | 0.66 | 0.99 | 1.32 | | Peak Current | Amps | 2.3 | 5.6 | 9.5 | 11 | 16 | 21 | | Torque Constant | N.m/A | 0.074 | 0.059 | 0.057 | 0.060 | 0.062 | 0.063 | | Back EMF constant | V/kRPM | 7.75 | 6.2 | 5.9 | 6.3 | 6.5 | 6.6 | | Body Length | mm | 41.5 | 46.5 | 56.5 | 66.5 | 86.5 | 106.5 | | Weight | Kg | 0.35 | 0.44 | 0.56 | 0.67 | 0.95 | 1.18 | |
You can download our 57BL Brushless DC Motor product brochure:57BL.pdf
| FUNCTION | COLOR | |
| +5V | RED | UL1007 26AWG |
| HALL A | YELLOW |
| HALLB | GREEN |
| HALLC | BLUE |
| GND | BLACK |
| PHASE A | YELLOW | UL1015 20AWG |
| PHASE B | GREEN |
| PHASE C | BLUE |
Mechanical Dimension Of Brushless DC Motor 
Based on all this advantages, our company specializes in producing hybrid stepping motors, DC brushless motors, servo motors, gearbox motors and so on. The products are applied in robots, packing machinery, textile machinery, medical instruments, printing machinery, intelligent logistics equipment... Hetai also sends its products to USA, Europe, Southeast Asia and all-around China.
ChangZhou Hetai Motors is an experienced motor manufacturer. For more than 20 years, Hetai dedicates to provide professional electrical integration design and automation strategies for customers. We have variable manufacturing equipment, such as assembly line, Automatic cylindrical grinder and CNC machining centers as well.
Our main products are Stepper Motor, Planetary Gearbox& Gearbox Motor, Brushless DC Motor, Servo Motor.
Hetai is aiming to provide high-quality, comprehensive after-sales service. Strive for continuous improvement and excellence. If you have any questions, you will be on duty 24 hours a day, so you have no worries.
Looking forward to the future, we will work hard to create with a good attitude and serious attitude, meet the challenges of modern high-tech, and continue to expand our business areas to share the achievements of automation technology with more customers!
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3000RPM 57mm Nema 17 Brushless DC Motor 7A 138W 4Pole 24V 3Phase 1.32Nm Images
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