This soft start motor starter is a new type of starting equipment. Equipped with the international advanced level design, our product is produced by power electronics technology, micro-processing technology and modern control theory. It effectively reduces the starting current of the motor in order to avoid the investment in grid capacity increase. It makes the motor control technology adapt to the higher requirements of the rapidly developing power automation technology. What's more, this soft start motor starter can be widely used in loads such as fans, pumps, conveyors and compressors. It is an ideal replacement for traditional pressure equipment, such as delta conversion, auto-coupled buck and magnetically controlled buck.
This soft start motor starter helps to reduce the starting stress of the motor and load equipment and extends the service life of the related equipment.
Equipped with perfect and reliable protection functions, our product is able to protect the safety of the production equipment.
The soft stop function effectively solves the parking surge problem of the inertia system.
It can effectively limit the starting current of the asynchronous motor when it is started.
Rated motor power
Please refer to
Meet the standards
Three phase power supply
AC 380V(optional 220V and 660V)
Squirrel cage three-phase asynchronous motor
When the motor is fully loaded, no more than 4 times per hour, no load or light load, no more than 10 times per hour.
At an altitude of 3000 below ground gas, the vibration stresses below 0.5G
93% no condensation or drop
Natural cold wind
Relative to vertical
Vertical installation, angle range
External dimensions of90kw-400kw
Please see the below table for the external and installation dimensions of WSTR3000 series 90kw-400kwsoft starter.
Rated power (KW)
Terminal Configuration Diagrams
Terminal diagram of the main circuit
|1) WSTR3005-3075||WSTR 3090-3400|
2)Terminal diagram of the control circuit
3)Terminal connection of the control circuit
WSTRD series Motor Starter has a Chinese & English LCD display to real-time display current, voltage and other operating status. The help information can be assessed when the soft starter is not in the soft start/ soft stop status or the setting status; press Yes(button for confirmation), then press the up/down buttons to read the prompt messages.
Four-digit voltmeter, used to test the voltage of the three phase AC power
Indicate the specification of the soft starter
Indicate that the latest fault information is zero
Indicates no occurred fault information
Indicates the occurred fault information Err0r06
indicates no fault information
Indicates the software version of the product is Ver4. 2
The total times of successful starting
Time used in last soft start(whether succeed or not)
Note: HI-H9 saves the recent 9 fault information in the recursive method
Yueqing Winston electric co., LTD. (Winston inverter), founded in 2010, is a high-tech enterprise specializing in the development, production and sales of inverters.In the process of product research and development, the company always adheres to the production purpose of quality first, and adopts the world-class high-tech (such as DSP technology, current vector technology, IPM) to professionally produce and sell frequency converters and elector-mechanical electronic products.The product has four characteristics of high efficiency, small size, little noise and ultra-stable performance.The products are widely used in all kinds of automatic mechanization equipment in China and abroad.
Our company is not only an exporting company, but also a professional manufacturer in China. We have our own production base. So,we are sure that we can best support our customers with high quality products and the most competitive prices.
We will arrange the goods packaging, choose the transport routes in a fast and economical mode;Monitor all goods circulation, track and ensure the quality of transportation; provide fast, safe logistics channels.
The company's products have a wide range of applications.Including printing machinery, packaging machinery, winding machinery, film blowing machine, lathe, grinder, etc.Therefore, it is deeply loved by customers.
We have customers from all of the world, and we hold exhibitions in different country.