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    1 hp NEMA AC Induction Motor, Three Phase, ODP/TEFC

    $576.43
    Three phase AC induction with 1hp, 2 pole, 1.25 SF, C face footed mounting, 3450 rpm, 143TC frame with open drip proof (ODP) enclosure, you may choose totally enclosed fan cooled (TEFC) enclosure as well. It features NEMA B design which providing low starting current and high locked rotor torque, suited for a broad variety of applications.
    SKU: ATORT12
    *
    Free shipping
    Delivery date: 10-15days

    1 hp 3 phase AC Induction Motor Features

    • 1 horsepower 2 pole 1.25 service factor 143TC frame size AC electric motor
    • 3 phase small AC general purpose asynchronous motor running at 60Hz 230/460V AC
    • Has aluminum windings for conductivity and energy efficiency and has a operating speed of 3450 rpm
    • Available with open drip proof (ODP) enclosure motor and totally enclosed fan cooled (TEFC) enclosure motor
    • Double shielded bearings and Class F insulation

    1 hp 3 phase AC Induction Motor Specification

    Basics Model ATORT12D11 ATORT12T11
    Enclosure ODP TEFC
    Type General Purpose Asynchronous Motor
    Item Weight 39 Ibs
    Motor Length 14.6 inch
    Frame 143TC Frame
    Design NEMA Design B
    Certification CE, UL
    Motor Material Roll Steel
    Technical Parameters Service Factor 1.15 1.25
    Horsepower 1 hp
    Rated Frequency 60 Hz
    Phase Three Phase
    Pole 2 pole
    Voltage 230/460V AC
    Full Load Amps 3.13/1.57A
    Speed 3450 RPM
    Efficiency 77%
    Duty Continuous
    Isulation Class Class F
    Protection Class IP54/ IP55
    Mounting Method C Face, Footed
    Environment Ambient temperature -15℃≤θ≤40℃
    Altitude Altitude should be lower than 1000 meters above sea level

    1 hp 3 phase AC Induction Motor Dimension

    3 phase nema ac induction motor dimension
    Unit: inch

    Frame
    Size
    AB BA Max
    A
    Max
    B
    Max
    BB
    Max
    BD
    C D E 2F H N-W O P R S U Min
    ES
    Min
    AA
    AH BF BC AJ AK Min
    V
    143TC 5.6 2.75 7 6.18 0.16 6.5 14.6 3.5 2.75 4 0.34 2.25 6.7 7.08 0.771 0.188 0.875 1.41 3/4 2.12 1/2-13 +0.12 5.875 4.5 2

    Tips: Induction motor doesn’t revolve, why and how to do?

    1. The power source is not connected.
      If the power source is not connected or bad contact, the motor will not revolve. At this moment, the electrician must inspect the switch, fuse, various contacts and connection wires. Thus, the fault will be gradually troubleshooting for maintenance.
    2. The fuse is blown out when starting.
      Find the reason for the fuse blown, troubleshoot the fault and then fit the proper fuse for the motor.
    3. The setting current of the over-current relay is too low.
      For this problem, just regulate higher properly.
    4. The load is too large or the transmission mechanism blocks.
      In this case, choose an induction motor with bigger capacity or relieve the load, and also check the condition of the transmission mechanism.
    5. The stator or rotor winding is in open circuit.
      Open the terminal box and check if the motor winding is broken (leads breakage) with the Ohm gear of the multi-meter. If any open circuit occurs, the resistance value might be abnormal. It is required to open the motor to make further inspection and connect the breakage point.
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