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lower price 24v 300W bldc brushless dc motor brushless electric motor

Brushless, low interference: The brushless motor removes the brush. The most direct change is that no spark is generated when the brush motor is running, which greatly reduces the interference of the spark to the remote control radio equipment.
Low noise and stable operation: The brushless motor has no brush, the friction is greatly reduced during operation, the operation is stable, and the noise is much lower. This advantage is a huge support for model stability.
Long life and low maintenance cost: The wear of brushless and brushless motors is mainly on the bearings. From a mechanical point of view, a brushless motor is almost a maintenance-free motor. When necessary, just do some dust removal.
  • 57BLDC
  • Holry
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Product Description

Product Description

Adapt to harsh environment, cost-effective, high efficiency, energy saving and environmental protection, efficiency above 80%; High-performance rare earth permanent magnet rotor, high torque, low inertia, and good dynamic response; Three-phase sine wave design, with excellent low-speed smoothing characteristics; Low noise, maintenance-free, and long service life;

low interference:

The brushless motor removes the brush. The most direct change is that no spark is generated when the brush motor is running, which greatly reduces the interference of the spark to the remote control radio equipment.


Low noise and stable operation: 

The brushless motor has no brush, the friction is greatly reduced during operation, the operation is stable, and the noise is much lower. This advantage is a huge support for model stability.


Long life and low maintenance cost: 

The wear of brushless and brushless motors is mainly on the bearings. From a mechanical point of view, a brushless motor is almost a maintenance-free motor. When necessary, just do some dust removal.

Technique Parameter

Technique Parameter

Bldc motor catalogue.pdf

57-1

Model 57BLDC45-20230-08B24 57BLDC55-20430-08B21 57BLDC75-20730-08B21 57BLDC95-21030-08B21 57BLDC115-21430-08B21
Number of Poles 4
4 4 4 4
Number of Phases 3 3 3 3 3
Nominal voltage VDC 24 24 24 24 24
Rated speed RPM 3000
3000 3000 3000 3000
Rated Torque N-m 0.055 0.11 0.22 0.33 0.45
Rated Current Amps 1.16 2.4 4.8 6.6 8.6
Output Power Watts 17 35 70 105 140
Peak Torque N-m 0.165
0.33 0.66 0.99 1.35
Peak Current Amps 3.48 7.2 14.4 19.8 25.8
Torque constant N-m/A 0.052
0.06 0.06 0.063 0.063
Back EMF V/k RPM 3.8 6.6 6.6 6.6 6.6
Rotor inertia kg·cm2 32 75 119 173 230
Body Length(L)mm 45 55 75 95 115
Weight kg 0.33 0.44 0.75 1 1.25


Shaft out method

Shaft out method

1638608692(1)

Video

Video

FAQ

FAQ

1.What are the advantages of brushless DC motors?

Among these, brushless DC motors (BLDC) feature high efficiency and excellent controllability, and are widely used in many applications. The BLDC motor has power-saving advantages relative to other motor types.

2.When was the brushless motor invented?

Although the brushless motor was invented in the mid 19th century, it wasn’t until 1962 that it became commercially viable. What is a brushless motor? Brushless motors are synchronous electric motors that move around electronically.

3.What are the parts of a brushless motor?

They contain minimal parts such as the commutator, rotary parts and slip rings that contribute to increasing its weight. The brushless motors also dominate several applications such as hard drives, pumps, fans, coffee machines, hair dryers, mixers and CD/DVD players in variable and adjustable speed applications.


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