RWS-7000 Built - in bypass type motor soft starter
Key attributes
| Brand | RW Energy |
| 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 descriptions from the supplier
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:
Device structure:
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.
Equipped with a large LCD screen (displaying in both Chinese and English), supporting remote control panel and parameter upload/download, intuitive programming, and efficient debugging and maintenance.
Provide multiple modes such as current limiting start, voltage ramp, jump+ramp, pump control, free stop, soft stop, etc., and support forward and reverse rotation, jog function to adapt to complex working conditions.
Built in bypass "refers to the automatic short circuiting of thyristors by internal contactors after startup, allowing the motor to be directly powered by the power grid. This can eliminate the conduction loss of thyristors, reduce temperature rise, and improve long-term operational efficiency.
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