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    3 hp (2.2kW) 3 phase 6 pole AC Induction Motor

    $442.06
    Three phase induction motor, with output 3 hp/2.2kW, rated speed 6P 940rpm, nominal torque 22.35Nm are high efficiency yet low cost. Optimum structure, high reliability, low noise, easy to install and simple to operate.
    SKU: ATO-Y2-112M-6
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    Free shipping
    Delivery date: 6-12 days

    This is 3-phase 6-pole AC induction motor or asynchronous motor with 3 hp (2.2kW) output and 940rpm speed, which can be widely used in various kinds of general purpose machineries like fans, pumps, compressors, gearboxes, machine tools, transportation and so on. Low price and easy maintenance.

    3hp Induction Motor Specification

    Basics Model ATO-Y2-112M-6
    Design Standard IEC
    Weight 37kg
    Frame Type 112M
    Mounting Horizontal Foot Mounting (B3)
    Wiring Method Output≤4hp (3kW), Y connection
    Output≥5.5hp (4kW), Delta connection
    Degree of protection IP54/IP55
    Insulation Class Class F
    Cooling TEFC(compliance to IC 411 code of IEC 60034-6)
    Technical Parameters Nominal Output 3hp or 2.2kW
    Pole Number 6-pole
    Nominal Speed 940rpm
    Frequency 50Hz
    Nominal Voltage 380V 400V 415V
    Nominal Current (full load) 5.57A 5.29A 5.10A
    Efficiency 79%
    Power Factor( cosφ) 0.76
    Nominal Torque (Tn) 22.35Nm
    Locked Rotor Torque/Nominal Torque (TST/Tn) 2.0
    Maximum Torque/Nominal Torque (Tmax/Tn) 2.1
    Locked Rotor Current/Nominal Current (IST/In) 6.5
    Noise Level 65dB/(A)
    Environment Ambient Temperature -15℃+40℃
    Altitude Less than 1000m above sea level

    Note: Our minimum order quantity for 400V AC and 415V AC @ 50Hz induction motor is 10 pcs, and our MOQ for 60Hz induction motor is 20pcs.

    Three-phase Induction Motor Dimensions
    Three-phase AC induction motor dimensions

    Frame Type Mounting Dimensions Overall Dimensions
    A A/2 B C D E F G H K AB AC AD HD L
    112M 190 95 140 70 28 60 8 24 112 12 230 240 190 300 400

    Wiring Diagrams (Three-phase squirrel-cage induction motor)
    3 phase induction motor wiring connection diagram
    Tips: Asynchronous motors versus synchronous motors
    1. Principle
    Induction motor refers that under the effect of two magnetic fields both the rotating magnetic field generated by alternating currents access to stator and the magnetic field produced by the rotor affected, the rotor rotates with the rotating magnetic field of stator. The magnetic field of rotor is slower than the one of stator thus there is a slip. Due to its non-synchronous, it is called as asynchronous motor.
    Synchronous motor refers that under a constant magnetic field formed by man-made direct current the rotor synchronously rotates with the rotating magnetic field of stator.
    2. Structure
    Stator windings are the same between synchronous and induction motor, but the main difference is the rotor structure.
    For the synchronous motor, as for DC excitation windings of rotor, the current is introduced by slip rings under the effect of external excitation power supply. Since rotor windings of induction motor is short-circuited and the current is generated by electromagnetic induction.
    3. Usage
    Synchronous motors are mainly introduced into large size generators, while almost all induction motors are run in electric motors.

    In this video, ATO takes a 1hp (0.75kW) 220V/380V induction motor as example to explain the motor wiring. ATO first changes the wiring of induction motor from star connection to delta connection. When the induction motor is connected in delta connection, the rated voltage of motor is 220V, and when connected in star connection, the rated voltage is 380V. To demonstrate this change clearly, the induction motor is also connected to ATO 1-phase in 3-phase out VFD and it runs normally under the control of VFD.

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