• RWS-7000 Built - in bypass type motor soft starter
RWS-7000 Built - in bypass type motor soft starter
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RWS-7000-045-Z
RWS-7000-630-Z
RWS-7000-5.5-Z
Basic info
Brand ROCKWILL
Model NO. RWS-7000 Built - in bypass type motor soft starter
Rated current of star connection method 90A
Rated current of delta connection method 133A
Series RWS
Product Detail

Description :

A bypass-type soft starter is a device specifically designed for the motor starting process, aiming to reduce start-up current and mechanical shock by controlling the voltage applied to the motor during startup. This type of soft starter gradually increases the voltage supplied to the motor, allowing it to smoothly accelerate to its rated speed without the large inrush currents and associated grid fluctuations that occur with direct-on-line starting.

Main function introduction:

  • SCRK1 - 7000 is a highly intelligent, reliable and easy to use soft starter. SCRK1 - 7000 is the perfect solution for quick settings or more personalized control, with features as follows:

  • Large LCD screen showing feedback in Chinese and English, other languages can be customized;

  • Remotely - mounted operating plate;

  • Intuitive programming;

  • Advanced start and stop control function;

  • A series of motor protection functions;

  • Extensive performance monitoring and event logging;

  • Positive rotation, point reversal function;

  • With the ability to upload/download parameters;

Technology parameters:

企业微信截图_17402077057249.png

Device structure:

image.png

Q:What is bypass in soft starter?

A:A bypass starter is a type of motor control system that combines the functionality of a soft starter with a bypass contactor. It is designed to provide smooth, controlled motor startup while allowing the motor to run directly from the power supply after it has reached full speed. This setup improves efficiency and reduces heat generation in the system.

Q: Is a VSD a soft starter?

A:A VSD (Variable - Speed Drive) is not a soft starter. A soft starter mainly eases a motor's startup by gradually increasing voltage to cut inrush current. In contrast, a VSD can control startup and continuously adjust motor speed by changing power frequency and voltage, offering more functionality.

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