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    7000 rpm 12V 24V Small Brushless DC Motor

    $159.22
    ATO mini brushless DC motor is 4 pole 3 phase, 30W, offers the greatest torque density, 7000 high speed rpm, available in a compact package. It can be custom designed to operate with 12 volt, 24 volt or higher voltage.
    SKU: ATOWS4255-70
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    Free shipping
    Delivery date: 15-20 days

    The provided driver controller for 7000 rpm 12V 24V Small Brushless DC Motor has following functions:

    • Change speed by PWM or 0~5V signal.
    • When the green line is connected to GND, the motor can be changed from CCW rotation to CW rotation; after the forward/reverse line is disconnected from GND, the motor returns to CCW operation.
    • The current actual speed of the motor can be calculated according to the tested pulse frequency.
    • Connecting the purple wire to GND allows the motor to stop naturally; if it is disconnected from GND, the motor continues to run.

    7000 rpm High Speed BLDC Motor Specifications

    Basics Model ATOWS4255-70
    Type Micro Brushless DC Motor
    Weight 210g
    Size D:42mm, L:55mm
    Usage Boat, Car, Electric Bicycle, Home Appliance, Industrial Equiment
    Technical Parameters Number of Phase 3 phase
    Number of Pole 4 pole
    Rated Power 30W
    Rated Voltage 12V DC 24V DC
    Rated Current 2.75A 1.38A
    Noload Current 0.27A 0.13A
    Rated Speed 5560 rpm
    Noload Speed 7000 rpm
    Rated Torque 41.4 mN.m
    Construction Permanent Magnet
    Bearing NMB Ball Bearing
    Efficiency 90%
    Motor Housing Stainless steel
    Insulation Class Class B
    Protect Feature Explosion-proof
    Wiring Diagram Pin 1 Red +5V
    Pin 2 Purple Hall A
    Pin 3 Green Hall B
    Pin 4 Grey Hall C
    Pin 5 Black GND
    Pin 6 Yellow Phase A
    Pin 7 Blue Phase B
    Pin 8 White Phase C

    12V/24V Small BLDC Motor Dimension

    13000 rpm bldc motor dimensionTips: How to select a small brushless DC motor?
    Brushless DC motor is widely used in the intelligent automobile, domestic appliances, medical apparatus and instruments, industrial automation due to its advantages of low noise, large torque. As it has a variety of types and specifications, it's of great importance for how to select a brushless DC motor to meet product requirements.

    1. Specification Selection
    When the supply voltage is adjustable, a BLDC motor whose torque and speed are close to the rated value of product can be selected in accordance with actual needs, thus obtaining the required rotation speed by changing the voltage. When the supply voltage is constant and there's no suitable brushless DC motor to choose, a proper specification can be selected by torque, then proper adjustment can be made between product voltage and rotation speed.

    2. Power Selection
    Maximum power of the motor is limited. If the power of brushless DC motor is too small, overload occurs when the load exceeds the rated output power, and the motor would become heat, vibrate, reduce rotation speed or make abnormal noise. Seriously, the motor would even burn out. However, if the power is too large, it may lead to waste.

    3. Type Selection
    The ferrite permanent magnet DC motor with high efficient, low cost and low temperature rise shall be selected for priority. When there's strict requirements to the performance, small size or high ambient temperature, an Al - Ni - Co permanent magnet DC motor or rare earth permanent magnet DC motor would be selected.

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