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The ST100 requires a bypass soft starter.

The ST100 requires a bypass soft starter employs sophisticated digital control technology, utilizing a microcontroller as its intelligent core and thyristor modules as the execution elements to achieve fully automated control of electric motors. Suitable for controlling squirrel-cage induction motors under various loads, the ST100 requires a bypass soft starter ensures smooth motor startups under any operating conditions, safeguarding the drive system, minimizing the impact of startup currents on the power grid, and guaranteeing reliable motor startup. Its smooth deceleration and soft stop feature effectively addresses the issue of shutdown surge in inertial systems, eliminating reverse-inertial impacts on the drive system, which is unachievable with traditional equipment. Furthermore, the ST100 requires a bypass soft starter boasts comprehensive system protection capabilities, extending system lifespan, reducing overall system costs, enhancing system reliability, and is fully compatible with the diverse functionalities of all starting devices. It represents the ideal modern alternative to traditional star-delta and auto-transformer starting methods.

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The ST100 requires a bypass soft starter's main functions are as follows:

- Effectively reduce the starting current of electric motors, which reduces the need for distribution capacity and avoids investments in power grid capacity.

- Decrease the starting stress on electric motors and load devices, consequently extending their lifespan.

- The soft stop function effectively addresses problems related to parking surges in inertia systems, which traditional starting devices are unable to do.

- Equipped with six distinctive starting modes, it is able to adapt to complex motor and load conditions and achieve perfect starting results.

- Has reliable protection functions, effectively ensuring the safety of electric motors and related production equipment.

- The application of intelligent and networked technology using motor control technology in the development of soft starters meets the higher requirements of rapidly developing power automation technology.


The ST100 requires a bypass soft starter's main features include:

- Reliable quality assurance:

   - Computer simulation design.

   - SMT patch production technology.

   - Excellent electromagnetic compatibility performance.

  - High-temperature aging and vibration testing before assembly.

- Perfect and reliable system protection functions:

   - Under-voltage, overvoltage, and voltage loss protection.

   - Soft starter overheat and prolonged starting time protection.

   - Input phase loss, output phase loss, and three-phase unbalance protection.

   - Starting over-current, running overload, and load short circuit protection.

- Maintenance functions:

   - Fault self-diagnosis (short circuit, overvoltage, undervoltage, single-phase grounding, motor overload, phase loss, blockage, and intelligent programming to determine the operating status of the towing system).

   - Modular combination design to quickly troubleshoot any detected problems.

- Independent intellectual property products:

   - Own software copyright.

   - Proprietary electric motor starting and protection technology.

   - Unique detection, debugging equipment, and processes.

- Prompt and thoughtful after-sales service:

   - Reliable performance and quality lay the foundation for excellent service.

   - Providing excellent and complete supporting design plans.

   - Timely and thoughtful use consultation.

   - Continuously improving product performance based on user feedback.


We'd like to highlight the key technical specifications of our soft starter for you. 

It falls under AC-53b category and is designed in two models. 

It has a rated working voltage of AC380V and insulation voltage of AC660V, with a frequency rating of 50Hz. 

Our product can tolerate up to 4KV of shock and has a rated short circuit current limit of 19kA (for EM-GS3-5d5~075) and 23 kA (for EM-GS3-090~600). 

It is compatible with SCPD type 1 and has an IP20 casing protection rating.


For further details, please feel free to consult with us.

The ST100 requires a bypass soft starter.

The ST100 requires a bypass soft starter is widely used in industries and equipment applications, such as petrochemical, power, and metallurgical sectors, ensuring smooth start-up and stoppage of equipment like pumps, fans, and compressors. The ST100 requires a bypass soft starter minimizes shock and wear, extends equipment lifespan, reduces energy consumption, and lowers maintenance costs. With its flexible control functions and energy-saving features, it has become a vital device for enhancing motor operation efficiency.