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    2.5 hp (1.9 kW) Brushless DC Motor, 48/72/96V, 6 Nm

    5 out of 5 based on 9 reviews | Write a review
    Cheap and best 2.5 hp (1.9 kW) brushless DC electric motor combines with BLDC motor controller at 48V/72V/96V voltage. 3 phase DC motor has 3000 rpm, 6 Nm holding torque, brushless design for long periods of operation.
    SKU: ATO-BLDC-1900R3
    30-day Returns
    Free Shipping
    Delivery date: 6-25 days

    3 phase brushless DC motor kit (2.5 hp BLDC electric motor + BLDC controller + planetary gearbox) for sale, with competitive price, 110mm square flange size, rated speed of 3000 rpm and rated torque of 6 Nm, high efficiency more than 85%. IP54 rating with shaft seal, complete protection from dust particles, can be subjected to moist or humid environments, economical replacement for brush DC motors. In general, it would be more cost-effective to buy a complete set of our BLDC motors.

    Basic Specifications

    • Model: ATO-110BLD1900
    • Matched Controller Model: ATO-BD100 (Click to the controller page)
    • Rated Power: 1900W
    • Rated Voltage: 24V DC / 48V DC / 72V DC / 96V DC (Optional)
    • Rated Current: 100.2A at 24V, 49.5A at 48V, 37A at 72V, 25A at 96V
    • Phase: 3 phase
    • Holding Torque: 6 Nm
    • Peak Torque: 18 Nm
    • Rated Speed: 3000 rpm
    • No-load Speed: 3600 rpm
    • Square Flange Size: 110 mm
    • Weight: 6.6 kg

    Technical Parameters

    • Working Efficiency: 85%
    • Number of Pole: 4 pairs of poles (8 poles)
    • Brake Apparatus Voltage: 24V DC/ 48V DC, (Electromagnetic brake will trigger when the DC supply cuts off)
    • Brake Length: 40-50mm
    • Insulation Grade: F
    • Protection Grade: IP54 (IP65 can be customized, just contact us)
    • Working Temperature: 10℃~+40℃
    • Humidity: ≤90% (no condensation)
    • Motor Lead Length: 30cm
    • Certificate: CE, ROHs, ISO/TS16949

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


    1. High performance and low consumption
      2.5hp 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-BD100) 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)
      1900W 48 volt 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

    Power Wire Hall Wire
    Red Yellow Black Red Black Blue Green White
    U V W 5V GND Hu Hv Hw

    Dimension (Unit: mm)

    1.9 kw bldc motor dimension

    Tips: Rotor Position Detector of BLDC Motor

    The rotor position detector mounted on the motor shaft is an important part of the brushless DC motor. It determines the moment when the armature phase winding starts to energize. Its role is equivalent to the general brushless DC motor. Changing the timing (phase) of the position detector signal is equivalent to changing the position of the brush in space in the DC motor, which has a great influence on the characteristics of the brushless DC motor.

    There are many types of position detectors, which usually include a stationary set of detector elements and a position signal generator that rotates with the rotor of the motor. In a position detector consisting of Hall elements, the Hall element is the sensing element, and the motor rotor pole itself is the position signal former. In other structures, such as electromagnetic induction, photoelectric, and proximity switches, a notched disk is often used as the position signal former. For example, in the photoelectric type, the gap is used to make the light irradiate the photocell to generate a signal. In the electromagnetic induction mode, the gap is used to change the magnetic circuit of the open transformer so as to generate the electromotive force in the detection coil.


    ATO High Torque BLDC Motor Drawings & Price


    1. ATO highly recommends 48V motors because all models of 48V are in stock, the price is cheaper and the delivery time is shorter, only about 7 days.
    2. 24V/ 72V/ 96V motors are generally not in stock, need to be produced by the factory, which will cost more to start the production line and the delivery time will be longer, about 25 days.
    3. The prices in the table are just for your reference. If you want to get the latest quotation, please feel free to contact us.
    Model Motor Price Controller Price Rated Power
    (USD/Piece) (USD/Piece) (kW)
    80mm Series DC Brushless Motor
    ATO-80WDM01330 24/48/72/96V 24V: 458.24 395.52 0.41
    48V: 305.49
    72/96V: 580.43
    ATO-80WDM02420 24/48/72/96V 24V: 564.53 395.52 0.5
    48V: 376.35
    72/96V: 715.06
    ATO-80WDM02430 24/48/72/96V 24V: 529.16 395.52 0.75
    48V: 352.77
    72/96V: 670.26
    ATO-80WDM03320 24/48/72/96V 24V: 597.68 395.52 0.69
    48V: 398.45
    72/96V: 757.36
    ATO-80WDM03330 24/48/72/96V 24V: 639.27 395.52 1.04
    48V: 426.18
    72/96V: 809.74
    110mm Series DC Brushless Motor
    ATO-110WDM02020 24/48/72/96V 24V: 687.38 395.52 0.4
    48V: 458.25
    72/96V: 824.85
    ATO-110WDM02030 24/48/72/96V 24V: 745.11 395.52 0.6
    48V: 496.74
    72/96V: 894.13
    ATO-110WDM04010 24/48/72/96V 24V: 779.86 395.52 0.4
    48V: 519.93
    72/96V: 935.87
    ATO-110WDM04020 24/48/72/96V 24V: 788.57 395.52 0.8
    48V: 525.71
    72/96V: 988.33
    ATO-110WDM04030 24/48/72/96V 24V: 798.63 653.05 1.3
    48V: 532.42
    72/96V: 1001.95
    ATO-110WDM06010 24/48/72/96V 24V: 758.82 395.52 0.6
    48V: 505.88
    72/96V: 956.69
    ATO-110WDM06020 24/48/72/96V 24V: 819.59 653.05 1.3
    48V: 546.39
    72/96V: 1010.82
    ATO-110WDM06030 24/48/72/96V 24V: 995.94 653.05 1.9
    48V: 553.28
    72/96V: 1051.23
    130mm Series DC Brushless Motor
    ATO-130WDM04010 24/48/72/96V 24V: 876.95 395.52 0.4
    48V: 584.62
    72/96V: 1099.08
    ATO-130WDM04020 24/48/72/96V 24V: 910.67 395.52 0.8
    48V: 607.13
    72/96V: 1104.98
    ATO-130WDM04030 24/48/72/96V 24V: 959.18 653.05 1.3
    48V: 639.45
    72/96V: 1151.01
    ATO-130WDM06010 24/48/72/96V 24V: 987.65 395.52 0.6
    48V: 658.43
    72/96V: 1185.17
    ATO-130WDM06020 24/48/72/96V 24V: 1012.23 653.05 1.3
    48V: 674.82
    72/96V: 1147.19
    ATO-130WDM06030 24/48/72/96V 24V: 1047.72 653.05 1.9
    48V: 698.48
    72/96V: 1208.34
    ATO-130WDM07710 24/48/72/96V 24V: 1060.07 395.52 0.8
    48V: 706.71
    72/96V: 1257.94
    ATO-130WDM07720 24/48/72/96V 24V: 1093.21 653.05 1.6
    48V: 738.65
    72/96V: 1292.64
    ATO-130WDM07730 48/72/96V 48V: 751.52 653.05 2.3
    72/96V: 1337.71
    ATO-130WDM10010 24/48/72/96V 24V: 1161.55 653.05 1
    48V: 784.83
    72/96V: 1396.89
    ATO-130WDM10020 24/48/72/96V 24V: 1224.36 653.05 2
    48V: 816.24
    72/96V: 1371.28
    ATO-130WDM10030 48/72/96V 48V: 879.12 898.21 3.1
    72/96V: 1450.55
    ATO-130WDM15010 24/48/72/96V 24V:1311.88 653.05 1.6
    48V: 936.47
    72/96V: 1498.35
    ATO-130WDM15020 48/72/96V 48V: 1086.36 898.21 3.1
    72/96V: 1738.17
    ATO-130WDM15030 48/72/96V 48V: 1127.54 1119.07 4.7
    72/96V: 1804.64
    180mm Series DC Brushless Motor
    ATO-180WDM12010 48/72/96V 48V: 1246.31 653.05 1.3
    72/96V: 1994.09
    ATO-180WDM12020 48/72/96V 48V: 1323.69 653.05 2.5
    72/96V: 2117.91
    ATO-180WDM12030 48/72/96V 48V: 1398.84 898.21 3.8
    72/96V: 2238.14
    ATO-180WDM16010 48/72/96V 48V: 1555.69 653.05 1.7
    72/96V: 2411.32
    ATO-180WDM16020 48/72/96V 48V: 1625.36 898.21 3.4
    72/96V: 2568.07
    ATO-180WDM16030 48/72/96V 48V: 1745.93 1119.07 5
    72/96V: 2618.89
    ATO-180WDM25010 48/72/96V 48V: 2012.54 653.05 2.6
    72/96V: 3179.81
    ATO-180WDM25020 48/72/96V 48V: 2274.19 1119.07 5.2
    72/96V: 3411.26
    ATO-180WDM25030 48/72/96V 48V: 2448.58 1531.99 7.9
    72/96V: 3672.87
    ATO-180WDM36010 48/72/96V 48V: 2644.28 898.21 3.8
    72/96V: 3966.42
    ATO-180WDM36020 48/72/96V 48V: 2832.56 1119.07 7.5
    72/96V: 4248.84
    ATO-180WDM36030 72/96V 72/96V: 4334.69 1885.15 11.3
    ATO-180WDM50010 48/72/96V 48V: 3284.58 1119.07 5.2
    72/96V: 4556.41
    ATO-180WDM50020 48/72/96V 48V: 4344.12 1531.99 10.8
    72/96V: 5994.72
    ATO-180WDM50030 96V 96V: 6204.65 2261.84 15.7


    Wiring ATO High Torque BLDC Motor With Controller

    In this video, we will show you how to connect a ATO 400W-15kW 24V/48V/72V/96V high torque brushless DC motor with the matching controller.

    How to Make Your BLDC Motor Forward and Reverse Control

    If you want your electric car to be more powerful, try using ATO high torque BLDC motor kit as the power unit. It is a good idea. Refer to the video step by step to operate, you can achieve the forward and reverse control of the brushless DC motor.

    Existing reviews of 2.5 hp (1.9 kW) Brushless DC Motor, 48/72/96V, 6 Nm
    130WD-M06030-48 Motor Parameters
    Are there any datasheet that include FOC (Field oriented control) parameters such as:
    -Flux Proportional Gain
    -Flux Integral Gain
    -Torque Proportional Gain
    -Torque Integral Gain

    Thank you.
    From: Greg | Date: 08/09/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    We can only provide a graph of the relationship between torque, voltage, power, and time at this time, for more information, please contact our pre-sales technical team.
    Interested in this 1.9 kW BLDC motor
    Hi, I'm interested in purchasing 1.9 kW BLDC Motor ATO-BLDC-1900R3 and the corresponding controller ATO-BLDC-TH-G (1 kW to 3 kW) rated for 48V. Can both of these ship immediately? What is the lead time for these? I notice that the motor is rated for 44A at 48V, what would be the total amperage requirements for the motor and controller power supply? 50A? 60A? Do you have 3-D CAD models for them as I am interested in integrating them into a larger machine?
    From: Matte | Date: 02/08/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    This 1.9 kW BLDC Motor ATO-BLDC-1900R3 is currently out of production. We recommend a similar motor ATO-130WDM06030-48, which is also 1.9 kW, 3000 rpm, and has a rated current of 44A. If the motor is not overloaded, the total current requirement of the motor and the controller power supply is more than 50A~60A. Currently this motor is in stock, and the lead time will be approx 4-5 working days.
    Please check the attached 3D model of this motor ATO-130WDM06030-48, and see the motor spec on: -72-96.pdf
    I want to ask you two questions about the 1.9kW brushless DC motor
    Please could you tell me the number of poles and the coil inductance of your 1.9kW BLDC motor?
    From: Salocin | Date: 01/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Number of Poles: 4 pairs of poles (8 poles).
    2. Coil inductance: 53uH.
    Braking mode of 1.9kW brushless DC motor
    Is the braking on your 1.5-3KW BLDC high torque motors done electronically or a mechanical brake?
    From: Jbusse | Date: 11/08/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our BLDC motors brake is electro-magnetic "24VDC", and it works when the 24VDC is disconnected.
    Stall torque of brushless DC motor
    What is the stall torque for your BLDC motors?
    From: Finucci | Date: 03/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The stall torque is about 3 times of the rated torque.
    Working temperature of 1.9KW brushless DC motor
    For your 1.9 kW BLDC motor, can we use it at -10℃? Also, how can we control the brake, is it manually or electrically?
    From: Lakin | Date: 17/04/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, motor can work normally at -20~55℃, no need to add heater.
    Also for the brake, it can be controlled electrically through 24V supply.
    Does your 2.5 hp 48V BLDC motor generate stall torque?
    Does your 2.5 hp 48V BLDC motor generate stall torque? Like, it can hold with external torque applied on it? Can it produce a reliable torque in stall and while being back driven.
    From: Emanuel Soares | Date: 09/08/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Unfortunately, our BLDC motor doesn't support producing a reliable and controllable torque in stall while being back-driven, also, the torque is not constant and it can't be controlled.
    Wiring confusion between motor and controller
    I saw wiring instructions of BLDC motor at your YouTube video for the controller, if I want the motor to run at full speed without speed control - which two wires do i connect together?
    From: Kiel | Date: 10/07/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Connect wire 5 and 7 to each other.
    Great 2.5 hp 48V BLDC motor
    After purchasing 2 other motors, I finally bought this one which has been perfect for my application. I needed something with high torque at low RPMs. This 48V BLDC motor did the job.
    From: Joshua Bruno | Date: 12/02/2019
    Was this review helpful? Yes No (1/0)
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