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    40 hp (30 kW) Soft starter, 60 A, 3ph 220v/380v/480v

    $449.20
    Cheap price 40 hp soft starter for sale, 30 kW three phase 220v, 380v, 480v AC motor soft starter for choice, make motor in soft start & soft stop, buy from manufacturer directly.
    SKU: GS-030
    Free shipping
    Delivery date: 6-12 days

    40 hp soft starter, 30 kW three phase 220v, 380v, 480v, 690v AC motor starter, manufacturer direct sale.

    Model GS2-030 (220v, 240v), GS3-030 (380v, 400v, 415v), GS4-030 (460v, 480v), GS6-030 (690v).
    Capacity 40 hp (30 kw)
    Current 60 amps
    Weight 5 kgs
    Dimension 270*146*160 mm
    Input Voltage Three-phase 240v, 420v, 480v, 660v AC
    Frequency 50Hz/ 60Hz
    Adaptive Motor Squirrel-cage three-phase asynchronous motor
    Starting Times It is recommended not to exceed 20 times per hour.
    Control Mode
    1. Operation panel control.
    2. Operation panel + external control.
    3. External control.
    4. External control + COM control.
    5. Operation panel + external + COM control.
    6. Operation panel + COM control.
    7. COM control.
    8. No start or stop operation.
    Start Mode
    1. Current-limiting to start.
    2. Voltage ramp to start.
    3. Torque control + current-limiting to start.
    4. Torque control + voltage ramp to start.
    5. Current ramp to start.
    6. Voltage current-limiting double closed-loop start.
    Stop Mode
    1. Soft stop.
    2. Free stop.
    Protective Function
    1. Open loop protection for external instantaneous stop terminals.
    2. Over-heat protection for soft starter.
    3. Protection for too long starting time.
    4. Input open phase protection.
    5. Output open phase protection.
    6. Unbalanced three-phase protection.
    7. Starting over current protection.
    8. Running overload protection.
    9. Under voltage protection for power voltage.
    10. Overvoltage protection for power voltage.
    11. Protection for fault parameter setting of the soft starter.
    12. Load short circuit protection.
    13. Auto restart or incorrect wiring protection.
    14. Incorrect wiring protection of external control stop terminals.
    Ambient Place to be used Indoor location with good ventilation free from corrosive gas and conductive dust.
    Altitude Below 1000M. It has to increase the soft starter rate power when the altitude is more than 1000M.
    Temperature -30 +55 oC
    Humidity 90%RH without dew condensation.
    Vibration <0.5G
    Structure Enclosure IP 20
    Cooling Natural wind cooling.

    Tips: Soft starter principle
    Soft-start is a motor starting mode. Compared to the hard start, in the motor soft-start process the voltage gradually increases to the rated voltage, the starting current gradually goes up to the rated current and then goes down. Soft-start makes the motor speed gradually increasing, and there is no impact torque phenomenon, motors always running smoothly and have no damage. The soft-start of the motor is achieved by a soft starter, which places the voltage regulator (typically a three-phase anti-parallel thyristor) between the power supply and the stator of the motor. The circuit is like a three-phase fully-controlled bridge rectifier circuit.
    When the output voltage increases to the rated voltage, to achieve a smooth start, and gradually reduce the starting current, in order to avoid the motor trip phenomenon caused by too large starting current. When the speed increases to the rated speed, the motor's soft-start process ends, the soft starter automatically uses the bypass contactor to replace the thyristor to provide the voltage, making the motor has been rotating at constant speed invariably.
    The soft starter not only can complete the motor soft-start, but also can complete the motor soft-stop. Soft starter soft-stop working principle is exactly opposite to soft-start working principle. It is mainly reducing output voltage gradually to reduce its speed until zero, and up to the motor stopping slowly.

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