25 hp soft starter, 18 kW (18.5 kW) three phase 230v, 415v, 480v, 660v affordable motor soft starter direct sale from manufacturer from China.
Free shipping
Delivery date: 6 - 12 Days
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$479.00
$415.92
25 hp AC motor soft starter, 18 kW three phase 230v, 415v, 480v, 660v motor starter.
| Model |
GS2-018 (230v), GS3-018 (415v), GS4-018 (480v), GS6-018 (660v). |
| Capacity |
25 hp (18 / 18.5 kw) |
| Current |
37 amps at 380/480v, 75 amps at 220v, 26 amps at 690v |
| Weight |
5 kgs |
| Dimension |
270*146*160 mm |
| Input |
Voltage |
3 phase 230v, 415v, 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. |
| 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. |
Tips: Soft Starter vs Variable Frequency Drive
A motor soft starter only allows a part of each wave of the available power through to the induction motor, creating an effect similar to a lower voltage start, and increasing that voltage gradually, until the motor has reached normal speed. In other words, the motor is still supplied power at the same frequency at the supply network. This is a much simpler device than a variable frequency drive.
A variable frequency drive, on the other hand supplies a (synthesized) lower frequency to the motor during the start. It attempts to maintain a reasonably constant ratio between this frequency, and the effective voltage supplied to the induction motor. In terms of the effect on the motor this means that with a soft starter, the rotor must be able to handle the same energy during start as it would during a DOL or a Y/D start, but the effect of the supply network is gentler with the soft starter than with DOL or Y/D start.
With a variable frequency drive, the rotor of the induction motor will only have to handle the slip-energy during the start, this energy may only be a fraction of what would be required with the soft starter, while the effects on the supply grid is very similar to that for the soft starter.
Existing reviews
Multi-voltage compatibility is really handy, and our workshop uses it on a 480V system with very good results.
By
Lysandra
on 25/04, 2025
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Enhanced Efficiency & Protection
25 hp soft starter significantly reducing the inrush current and protecting our equipment from electrical surges. This has not only improved the longevity of our machinery but also enhanced the overall efficiency of our operations.
By
Regina
on 28/11, 2024
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Excellent choice in engineering projects
This 25 HP soft starter we use for large 660V motors and it works perfectly. It starts smoothly without shocks, reduces the starting current significantly, and protects the equipment very well.
By
Bradley
on 07/11, 2024
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The control panel is intuitive and easy to navigate. With a clear display and straightforward buttons, it was simple to configure and adjust the settings to match the motor’s requirements.
By
Bonnie
on 22/10, 2024
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I use this 25 hp (18 kW) soft starter to control the water pumps in my factory and it works very well. The start-up is very smooth, completely avoiding the shock problems associated with conventional starters and reducing wear and tear on the equipment.
By
Raphael
on 15/10, 2024
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Professional customer service and fast shipping
The customer service from the manufacturer in China was very professional, and all of my questions were answered promptly and effectively during the purchase process. Shipping was also very fast and the product arrived in perfect packaging.
By
Kyle
on 18/09, 2024
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The after-sales service is very satisfactory
In addition to the excellent product itself, the after-sales service is very satisfactory. We had some technical problems and the manufacturer responded quickly and provided detailed solutions. The after-sales support gives us more peace of mind when using it.
By
Kimberly
on 09/08, 2024
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