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    50 hp (37 kW) Soft starter, 75 A, 3ph 240v/400v/480v

    $479.12
    Inexpensive 50 hp soft starter, 37 kW three phase 240v, 400v, 480v for selection, make induction motor in soft start & soft stop, sell by manufacturer directly.
    SKU: GS-037
    Free shipping
    Delivery date: 6-12 days

    50 hp soft starter, 37 kW three phase 240v, 400v, 480v, 690v AC motor starter for selection.

    Model GS2-037 (220v, 240v), GS3-037 (380v, 400v, 415v), GS4-037 (460v, 480v), GS6-037 (690v).
    Capacity 50 hp (37 kw)
    Current 75 amps
    Weight 5 kgs
    Dimension 270*146*160 mm
    Input Voltage Three-phase 230v, 380v, 460v, 690v 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 installation methods

    1. The soft starter should install indoors in accordance with the shell protection level (usually IP20) requirement.
    2. Should install vertically, in the top and bottom of the soft starter should leave space at least 200mm width to facilitate heat dissipation.
    3. If the control cabinet is equipped with thermal relay, should use segregation board to prevent cold or hot airflow blowing to the thermal relay, to avoid affecting the action value of the thermal relay.
    4. Carefully read the instructions to understand the function of each terminal, ensure correct wiring.
    5. Usually don't use megger test the phase and relative to the ground insulation resistance. If it is necessary, must let three-phase input and output short circuit, and unplug all the plugs on the control panel, and then testing.
    6. When the soft starter input connects to the power supply, the output will bring a high induction voltage when the load opens circuit or loss of phase. So when in installation, commission, maintenance and use, prohibit contacting the soft starter output terminal, so as not to causing electric shock accident.
    7. If soft starter connects compensation capacitors to improve the power factor, the capacitor must connect to the soft starter input terminal, not output terminal, otherwise it will cause damage to the soft starter.
    8. The soft starter input and output terminals can't be connected reversely, otherwise it may cause damage to the soft starter and motor.
    9. If the soft starter has bypass contactor, carefully wiring (connect the contactor main contact) , can't cause short-circuit accident.
    10. When measure the motor insulation resistance, must disconnect the three lines between soft starter before proceeding.

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