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    20 hp (15 kW) Soft starter, 30 A, 3ph 220v/380v/480v

    5 out of 5 based on 4 reviews | Write a review
    Cheap price 20 hp soft starter, 15 kW three phase 220v, 380v, 480v AC motor soft start, reduce motor starting current & voltage, protect motor from over-voltage, over-current and phase unbalance etc.
    SKU: GS-015
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    20 hp soft starter, 15 kW three phase 220v, 380v, 480v, 690v AC motor starter for selection.

    Model GS2-015 (220v, 240v), GS3-015 (380v, 400v, 415v), GS4-015 (460v, 480v), GS6-015 (575v, 690v).
    Capacity 20 hp (15 kw)
    Current 30 amps at 380v/480v, 60 amps at 220v, 22 amps at 960v
    Weight 5 kgs
    Dimension 270*146*160 mm
    Input Voltage Three-phase 240v, 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.
    485 Communication DB9 interface, male plug, ① is RS485+, ⑥ is RS485-
    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.



    15KW Soft Starters Details

    Tips: Soft starter protection functions
    Soft starter has overload protection, open-phase protection, overheating protection, measurement loop parameters and other functions.

    1. Overload protection: Soft starter introduces a current control loop, so it can trace and detect motor current changes at any time. By increasing the overload current setting and inverse time control mode, it can achieve the overload protection function. When the motor overload, it will turns off the thyristor and send an alarm signal.
    2. Open-phase protection: While working, the soft starter detects changes in three-phase line current at any time, once the break occurs, it will make a reaction of open-phase protection.
    3. Overheat protection: Through the soft starter internal thermal relay to detect the temperature of the thyristor radiator, once the radiator temperature exceeds the allowable value, the soft starter will automatically turns off the thyristor and send an alarm signal.
    4. Measuring loop parameters function: When the motor is working, the detector in the soft starter monitors the running state of the motor all the time, and sends the monitored parameters to the CPU for processing. The CPU will analyze, store and display the monitoring parameters. So the motor soft starter also has the function of measuring loop parameters.
    5. Other functions: Through the combination of electronic circuits, the soft starter can also achieve various interlock protection in the system.

    Soft Starter Works with a Bypass Contactor

    Soft starter works with a bypass contactor saving energy by eliminating thyristor losses during the run. The bypass contactor shunts the current flowing through the soft starter switch circuit to reduce heat accumulation in the soft starter power electronics during motor operation. This provides maximum efficiency and prolongs the life of soft-start switching components because they only work during the start and stop cycles of the motor.

    How to Change the Soft Starter Rated Current

    Existing reviews of 20 hp (15 kW) Soft starter, 30 A, 3ph 220v/380v/480v
    Durable soft starter
    We've had this soft starter for almost three years now. Sometimes it pops up "output lost" error and unable to stop the motor. Or motor stops without pressing stop. We did check that. All wires and connections are firm and intact. I wonder if the problem is be in the control pad in cover. Still, I'm happy with it after three years of use and plan to go back for a new one.
    From: Phillip | Date: 07/05/2024
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Regarding this unit getting "output lost" error, can you provide us with photos or a video for confirmation? You can also press the YES button through the operation panel, and then scroll up and down to find the fault record information at the back. And please provide us with photos of the fault information. You can send us the large video file via
    2. You can replace the control board with a new one, but you need to provide us with a picture of the nameplate label of the soft starter to confirm the specific model.
    A question about soft starter
    I bought a soft start last month. If possible, hook up a time delay timer to be able to turn off the motor and motor starter with your soft starter. How can I install a timer to turn off my machine's motor without completely shutting off the power to the starter and instead let the soft starter turn off the motor after the desired run time.
    From: Cboh | Date: 02/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our suggestion is that you can use a timer to control the start/stop signal of the soft starter. When the time counted by the timer is up, the stop signal of the soft starter will be triggered, and the soft starter will stop running, thereby stopping the motor.
    Soft starter don't release power to the by pass contactor
    I just hook up a.control panel. For a 20 hp pump with a soft starter. And the pump start to working but 30 seconds ..stop..I noticed the soft starter don't release power to the by pass contactor. Can you help me? Please.
    From: Dezumar | Date: 03/08/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You could first check whether the wiring of the soft starter is normal, please refer to the following video to check the wiring, including setting parameters, see on:
    If the problem persists, please provide us a video for reference, which should include showing how your soft starter is wired.
    Good 20 hp soft starter
    Great! The motor starts smoothly, the noise of starter is very small, safe and secure.
    From: Robin | Date: 22/11/2018
    Was this review helpful? Yes No (0/0)
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