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400W Brushless DC Motor, 24V/48V, 1.3 Nm, 3000 rpm

5 out of 5 based on 10 reviews | Write a review
$305.49
Lower price 24 volt / 48 volt BLDC electric motor matches with BLDC motor controller, 3000 rpm rated speed, 1.3 Nm rated torque, peak torque up to 4 Nm. 400W 3-phase brushless DC motor kit (motor + controller + gearbox) best for electric car.
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SKU: ATO-BLDC-400R3
30-day Returns
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Delivery date: 6-12 days

Buy 1/2 hp (400 watt) brushless DC motor with powerful BLDC controller. Features 3 phase and 4 pair of poles, 24V/48V voltage, rated speed of 3000 rpm, max speed up to 3600 rpm. IP54 rating with shaft seal, complete protection from dust particles, can be subjected to moist or humid environments. Voltage, Brake, Matching Controller, Matching Gearbox options are available for your specific needs. In general, it would be more cost-effective to buy a complete set of our BLDC motors.

Basic Specifications

  • Model: ATO-D5BLD400
  • Matched Controller Model: ATO-BLD750 (Click to the product page)
  • Rated Power: 400W
  • Rated Voltage: 24V DC / 48V DC / 72V DC / 96V DC (Optional)
  • Rated Current: 21.3A at 24V, 10.6A at 48V, 7.1A at 72V, 5.3A at 96V
  • Phase: 3 phase
  • Holding Torque: 1.3 Nm
  • Peak Torque: 2.54 Nm
  • Rated Speed: 3000 rpm
  • No-load Speed: 3600 rpm
  • Square Flange Size: 80 mm
  • Weight: 2.4 kg

Technical Parameters

  • Working Efficiency: 85%
  • Number of Pole: 4 pairs of poles (8 poles)
  • Brake Apparatus Voltage: 24V DC/ 48V DC, (If 24V voltage is not connected, the motor brake.)
  • Brake length: 40-50mm
  • Insulation Grade: F
  • Protection Grade: IP54
  • Working Temperature: 10℃~+40℃
  • Humidity: ≤90% (no condensation)
  • Motor Lead Length: 1 meter
  • Certificate: CE, ROHs, ISO/TS16949

Note: Power, Voltage, Speed, Shaft, Motor Length, Motor Lead of ATO BLDC Motors can be customized.

Features

  1. High performance and low consumption
    400W BLDC motor is three phase electric motor, which especially suited for application requiring higher efficiency and power density.
  2. Wide application range and good control effect
    Brushless DC motor works with a matching controller (ATO-BLD750) may achieve simple to complex control, turn from CW to CCW, and meet various communication requirements (RS232, RS485, CAN, etc.). BLDC controller can be controlled through 0-5VDC analog signal to adjust the speed.
  3. Wide control speed torque range
    Brushless DC motor works with a gearbox (choose planetary gearbox with gear ratio from 4:1 to 200:1 or worm gearbox with gear ratio from 7.5:1 to 100:1) effectively reduce the motor's speed and moment of inertia to increase torque in your application, because the gearbox can control the start/stop and change speed in time.
  4. Low noise and smooth operation
    Brushless DC motor has no brushes, no sparks will be generated during operation, which greatly reduces friction.
  5. Good protection performance and continuous duty (24/7)
    400W BLDC motor kit adopts a new type of sealing device, which has good protection performance and strong adaptability to the environment, and works continuously in harsh environments such as corrosion and humidity.

Line Define

BLDC motor line define

Dimension (Unit: mm)

400W 3000rpm BLDC motor dimension

Details

350W BLDC Motor Details

Tips: Brushless Design Benefits of Brushless Motor

The traditional traction motors are driven by a DC brush motor, but there are troubles and difficulties in maintenance due to the problem of the motor carbon brush commutator. Brush DC motor cannot be made into a closed structure, it is not suitable to apply in poor environment. However, trams are mobile devices that must withstand harsh environments and bumpy vibrations that happen to be unacceptable to brush DC motors.

ATO DC brushless motor is applied with the control principle of permanent magnet DC brushless motor, there is no carbon brush and commutator, therefore the motor can be designed to withstand a variety of weather-tight closed-structure. The motor has no maintenance problems, and with a simple structure, it is resistant to bumps and vibrations, in order to achieve a long life.

After applying the DC brushless motors, all the previous problems can be solved. Since there is no need for carbon brush, the motor can be made into a closed type to avoid the problem that it may face in a bad environment, the starting torque can be up to 400 ~ 600 %.

Existing reviews of 400W Brushless DC Motor, 24V/48V, 1.3 Nm, 3000 rpm
Customization question
Can the ATO-BLDC-400R3 brushless DC motor be made into a 14mm keyed one?
From: Howard | Date: 08/04/2025
Was this review helpful? Yes No (0/0)
ATO Responded
Yes, but additional customization fees are required.
Need a BLDC motor to make 250kg Automated sliding door
I need one bldc motor for 250kg sliding door. The speed of the door is 15-20cm/sec. What do you recommend?
From: Yaseer | Date: 11/04/2024
Was this review helpful? Yes No (0/0)
ATO Responded
We need to know more information such as the sliding coefficient of the system, the movement angle and the mechanical structure, etc.
update the page for the motor
I might want to update the page for the motor, it also shows .96Nm as the peak torque in the description. Unfortunately, it might not work for our application anymore, so does the 400w motor only have 300 watts capacity?
what is the rated torque of the gearbox? do you have the chart of specific efficiencies?
From: Mattew | Date: 06/11/2023
Was this review helpful? Yes No (0/0)
ATO Responded
Sorry, this is an error in the description of our website.
The rated torque of this 400w motor at 3000rpm is 1.27Nm, and the peak torque is 2.54Nm (but it can only last for 2-3 seconds).
The efficiency of the turbo reducer is only about 60%. The final torque output by this 400W motor matched with the 30:1 turbo reducer is about 34Nm.

What is the final torque output of the gearbox required by your system? What is the final speed?
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