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    3 hp (2.2kW) 3 phase 2 pole AC Induction Motor

    5 out of 5 based on 1 reviews | Write a review
    $516.76
    3 hp/2.2kW three-phase induction motor features 2 poles, 2840rpm rated speed and 7.4Nm nominal torque, with working voltage of 380V 50Hz. Cheap 3-phase asynchronous motor has outstanding performance in the price, mantenance, reliability, durability and operation.
    SKU: ATO-IM-22002P
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    This is a totally enclosed fan cooled 3-phase 4-pole induction motor with rated output 3 hp, rated speed 28740rpm in foot mounting. It can widely used in various kinds of general purpose machineries like fans, pumps, compressors, machine tools, transportation, etc.

    3hp Induction Motor Specification

    Basics Model ATO-Y2-90L-2
    Design Standard IEC
    Weight 24kg
    Frame Type 90L
    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 3.0hp or 2.2kW
    Pole Number 2-pole
    Nominal Speed 2840rpm
    Frequency 50Hz
    Nominal Voltage 380V (Y connection by default) / 220V (Change Y to Δ connection on your own)
    Nominal Current (full load) 4.85A/8.4A
    Efficiency 81.0%
    Power Factor( cosφ) 0.85
    Nominal Torque (Tn) 7.4Nm
    Locked Rotor Torque/Nominal Torque (TST/Tn) 2.2
    Maximum Torque/Nominal Torque (Tmax/Tn) 2.3
    Locked Rotor Current/Nominal Current (IST/In) 7.0
    Noise Level 72dB/(A)
    Environment Ambient Temperature -15℃+40℃
    Altitude Less than 1000m above sea level

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

    Frame Type Mounting Dimensions (mm) Overall Dimensions
    A A/2 B C D E F G H K AB AC AD HD L
    90L 140 70 125 56 24 50 8 20 90 10 180 195 155 250 345

    Wiring Diagrams (Three-phase squirrel-cage induction motor)
    3 phase induction motor wiring connection diagram

    Details

    2200W AC Induction Motor Details

    Tips: Three-phase induction motor’s speed control method
    Three-phase induction motor speed is calculated: n = 60f (1-s) / p
    It is seen from the above formula that changing power supply frequency f, motor pole pairs p and slips can achieve the purpose of changing the rotate speed. From the perspective of the nature of speed control, different speed control methods are nothing more than changing the synchronous speed of alternating current motor or not changing the synchronous speed. The speed control method of not changing the synchronous speed is widely used in manufacturing machinery including series resistance in the rotor of wound-type motor, chopper, cascade and electromagnetic slip clutch, hydraulic coupling, oil film clutch etc. Changing the synchronous speed consists of multi-speed motor of stator pole pairs, stator voltage and frequency conversion etc.
    In views of energy consumed at speed control, there are two types including high-efficiency speed control and low-efficiency speed control. High-efficiency speed control refers to constant slip or non-slip loss, such as multi-speed motor, frequency control and control method of recovering the slip loss (for instance cascade speed control etc.). Slip loss speed control method is inefficient for example energy loss occur in the rotor circuit  by the speed control method of series resistance in the rotator; Energy loss happens in the clutch coil by the speed control method of electromagnetic clutch; energy loss takes place in the hydraulic couplers oil by the speed control method of hydrodynamic coupling. Generally speaking, the slip loss increases with the expansion of speed range. If the speed range is not large, the energy loss will be very small.

    • 3 Phase Induction Motor Wiring

    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.

    Existing reviews of 3 hp (2.2kW) 3 phase 2 pole AC Induction Motor
    Purchased this 3 horse power induction motor to replace my old one
    I purchased this 3 horse power induction motor to replace my old one. It is very easy to wire this motor via the diagram that comes with the motor. Fit my machine perfect. Runs really smooth.
    From: Arthur | Date: 11/07/2019
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