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soft starter

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    soft starter

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    Payment Terms : T/T
    Delivery Time : 30days
    Certification : ISO
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    soft starter


    This product is a low-voltage fully intelligent built-in bypass motor soft starter. In addition to the universal soft starter function, this series also has a solution for implementing load application scenarios, which is powerful in terms of functionality.


    Technical Features:

    1. Communication expansion card
    It can be equipped with a built-in Profibus communication expansion card.
    2. External keyboard+large screen
    The keyboard can be quickly plugged in and out to meet the needs of remote operation.
    3. Motor preheating
    In low-temperature environments, heat the motor before operation without the need for external heating equipment.
    4. More comprehensive motor protection function
    Overvoltage protection, undervoltage protection, overcurrent protection, overload protection, locked rotor protection, bypass fault, thyristor fault, three-phase current imbalance, motor overheating protection, etc.
    5. Pump control function
    Unique start and stop control for pump loads. The pump starting function reduces the starting current of pump loads; The pump stop function can reduce the water hammer effect.
    6. Pump cleaning function
    Automatically clean up the sediment inside the pump to prevent malfunctions such as overcurrent and overload caused by blockage.
    7. Fan braking function
    Power braking can quickly stop the running load; Static braking can cause the load running under external force to come to a stop.
    8. Low speed operation function
    It has the function of low-speed forward and low-speed reverse operation, and can adjust the direction of load operation at low speed before the motor starts normally.
    9. Wide power supply voltage range
    Satisfy the universal input voltage of 220V-500V main power supply.


    Terms of Use:


    Power controlAC110V-220V±15%,50/60Hz

    Three-phase power supply


    AC220V-480V±10%

    Rated current


    18A-780A, There are a total of 20 rated values
    Applicable motorsGeneral squirrel cage AC asynchronous motor
    Starting methodVoltage ramp, current ramp, pump start control, direct start
    Parking methodVoltage ramp, pump stop curve, braking, free stop
    Logical inputImpedance 1.8K Ω, power supply+24V

    Protection function


    Overcurrent, overload, underload, overheating, phase loss, three-phase current imbalance, phase sequence detection, motor overheating, frequency error.
    Protection levelIP00,IP20

    Cooling method


    Installation method

    Natural cooling of 55KW and below

    75KW and above forced air cooling

    wall-mounted

    Environmental conditions


    If the altitude exceeds 2000 meters, the capacity should be reduced accordingly.

    The ambient temperature is between -10 ° C and+40 ° C.

    The corresponding humidity should not exceed 95% (20 ℃± 5 ℃).

    No flammable, explosive, corrosive gases, no conductive dust, indoor installation, good ventilation, vibration less than 0.5G.


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