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  2. This product was added to our catalog on Monday 26 August, 2013.

    Curtis 1239e-8521 HPEVS AC-51 Brushless AC Motor Kit - 144 Volt
    [AC-51-144]

    Price:  $6,050.00

    Available Options:

    This motor and controller package is no longer available via HPEVS. This page is solely up for reference purposes only. We have recently been informed that HPEVS has formally exited the conversion market however they will continue to support existing systems and provide replacement parts as needed but no new kits will be sold. For our suggested replacement option please click here. HERE.

    The AC51 is an AC motor that operates at a higher 144-170 volts. It can draw up to 500 amps producing up to 88 HP and 108 ft-lbs of torque. This kit works very well in a medium sized cars & lightweight vehicles and has a more horsepower heavy power curve than the AC50. Features regenerative braking and idle function as well. This is basically the high performance version of the well proven AC50.

    This kit includes:
    HPEVS AC51 Motor
    Curtis 1239e-8521 Controller
    35 Pin Connector and Wire Harness
    Gigavac GV200-PA Contactor
    12 Volt HV Relay
    Precharge Resistor
    Curtis 840 Dash Gauge
    SPST Menu Button
    SPST Mode Switch

    Motor Face: B-Face
    Motor Diameter: 8.980 Inches
    Motor Case Length: 13.798 Inches
    Motor Shaft Length End to End: 17.5 Inches
    Motor Type: AC Induction
    Brushes: No
    Interpoles: No
    Weight: 52 Kg (115 lbs)
    Max Voltage Input: 171
    Terminal Stud Size: 3/8 Inch
    Integrated Sensors: Encoder
    Rated Torque: 108 Lb Ft
    Rated Power: 88 HP
    Continuos RPM: 5,000
    Max RPM: 10,000
    RPM Sensor: No
    Drive End Shaft: 1 1/8 Inch With 1/4 Inch Keyway
    Acc/Commutator End Shaft: Optional 7/8 Inch With 3/16 Keyway
    Timing: N/A
    Max Efficiency: 88%
    Thermal Cooling: Internal Fan
    Max Temperature: 180 Degrees Celsius (356 Degrees Fahrenheit)
    Matching Controller Included In Price: 1239-8501 Curtis Controller
    Warranty Period: 2 Years



    Note: Due to the excessive weight of motors additional freight charges apply.

    Click Here for Programming Instructions

    Click Here for Wiring Schematics




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