Item #: A28-400
UPC: 837654547694
Retail: $450.00
Price: $449.00
You Save: $1.00 (0.2%)
    Points to Purchase: 64143
    Availability: Available
    Usually ships In 3-9 business days (sooner, if drop-shipped)


    AmpFlow high-performance motors are designed to give the highest level of performance possible in a brushed DC motor. This is achieved by advanced design and the use of rare-earth magnet materials.

    This motor has been used for many years by champion robot builders.

    An incredible amount of power in a small package. You quite simply will NOT find a more powerful motor of this size. This motor is a must-have for the serious competitor. The improved Neodymium magnets and sturdy construction make the A28-400 the optimal choice for combat robotics.

    Diameter3.0 in.
    Length6.7 in.
    Peak Horsepower 4.5
    Peak Torque 3720 oz-in
    RPM at 24V 4900 rpm
    Shaft Diameter 1/2 in.
    Shaft Length 2 in.
    Keyway1/8 in.
    Magnet Type Neodymium
    No Load Amps 4.5 Amps
    Stall Current 390 Amps
    Terminal Resistance .042 Ohms
    Kt6.57 oz-in/Amp
    Kv206 rpm/Volt
    Rotor Inertia .05 oz-in-sec^2
    Thermal Resistance 1.8 degC/Watt
    Weight6.9 lbs.


    Tech Specs and Tips

    3D IGES File

    Solidworks File

    Motor Curves