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    7.5 hp (5.5kW) 3 phase 2 pole AC Induction Motor

    Three phase induction motor is an AC motor with nominal power 7.5 hp/5.5kW, 2-pole number, squirrel-cage type, rated speed 2900rpm and TEFC enclosure. It is optimum structure, attractive appearance, low noise, simple operation, and high protection class.
    SKU: ATO-YE2-132S1-2
    Free shipping
    Delivery date: 6-12 days

    With its own advantages of rugged construction, high efficiency, reliable performance and favorable price, 7.5 hp (5.5kW) 3-phase 2-pole induction motor or asynchronous motor can be widely used in various kinds of general purpose machineries like fans, pumps, compressors, machine tools, transportation and so on. It can also be used in the hazardous areas such as petrochemical, mining, steel industries.


    Basics Model ATO-YE2-132S1-2
    Design Standard IEC
    Weight 65kg
    Mounting Horizontal Foot Mounting
    Frame Size 132S (compliance to IEC60034)
    Enclosure Totally Enclosed
    Degree of protection IP55 according to IEC600034-5
    Cooling TEFC(compliance to IC 411 code of IEC 60034-6)
    Efficiency Class IE2 according to IEC60034-30-2008
    Technical Parameters Nominal Output 7.5hp or 5.5kW
    Pole Number 2-pole
    Nominal Speed 2900rpm
    Frequency 50Hz
    Nominal Voltage 380V 400V 415V 525V
    Nominal Current(IFL) 10.8A 10.2A 9.9A 7.8A
    Locked Rotor Current/IFL 7.9
    Efficiency 87.2%
    Power Factor( cosφ) 0.89
    Nominal Torque 18.1Nm
    Locked Rotor Torque/TFL 2.3
    Maximum Torque/TFL 2.5
    Moment of Interia 0.014kgm²
    Noise Level 79dB(A)
    Vibration Level Grade A
    Insulation Class Class F/Class B
    Environment Ambient Temperature -20℃+40℃
    Altitude Less than 1000m above sea level

    three phase induction motor foot mounting B3

    Frame Size A AA AB AC AD' B BB C D E ED F G GD H HA HD K KK L LG
    132S 216 52 270 275 205 140 220 89 38 80 56 10 33 8 132 16 345 12 M30*2 510 167

    Wiring Diagrams (Three-phase squirrel-cage induction motor)
    3 phase induction motor wiring connection diagram
    Tips: Three-phase induction motor’s starting mode
    1. Direct starting
    This kind of starting mode is the most basic and simplest in the motor starting. First, the knife switch is used to connect the motor to the power grid and the motor starts to run under the rated voltage, which is characterized by less investment, simple equipment and small quantity. Although the starting time is short, the torque is smaller at starting and the current is large, which is suitable for starting small capacity motors.
    2. Reduced-voltage starting
    The reduced-voltage starting method can be introduced into medium and large size asynchronous motors to restraint the starting current. When the motor finishes the starting, it will resume to full pressure working. However, the result of reduced-voltage starting will lower down the starting torque. Therefore, the reduced-voltage starting is only suitable for starting the motor under no-load or lightly loaded condition.
    3. Soft starting
    Soft starter is a new type control device whose main advantages include soft starting, light load and energy saving, and quickness. One of the most important features is that the electronic circuit is conducted in the silicon controlled rectifier of motor under the tandem connection of power supply. When starting in this way, the torque of motor will gradually increase with enhancive speed.

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