Schneider ATS22C21Q Soft Starter

Applications

• Used for controlled starting of large three-phase motors in water supply and wastewater treatment systems.

• Applied in ventilation and air handling equipment to provide smooth motor acceleration and reduce stress on drive components.

• Installed in compressor systems where gradual startup helps minimize mechanical impact on shafts and couplings.

• Used in conveyor systems to reduce belt tension and improve operational stability during startup.

• Applied in crushers, mixers, and other heavy industrial equipment that require controlled motor acceleration.

• Suitable for industrial facilities where reducing motor starting current helps improve overall power system stability.

Key Advantages

• Smooth motor acceleration helps reduce stress on mechanical transmission components.

• Built-in bypass design minimizes heat generation after the startup sequence is complete.

• Adjustable starting and stopping parameters make it suitable for different load characteristics.

• Integrated protection functions help improve motor and equipment reliability during operation.

• Stable operating performance supports continuous use in demanding industrial environments.

• Simple wiring layout and intuitive parameter configuration help shorten installation time.

Technical FAQs

Q1: What is the primary function of this soft starter?
It controls motor acceleration by gradually increasing the applied voltage, reducing starting current and mechanical impact.

Q2: Which motor type is supported?
It is designed for standard three-phase squirrel-cage induction motors.

Q3: Does the unit include an internal bypass?
Yes, an integrated bypass is included to improve operating efficiency after startup.

Q4: Is it suitable for pump and fan applications?
Yes, it is commonly installed on centrifugal pumps, fans, and blowers.

Q5: Can the starting time be adjusted?
Yes, acceleration and deceleration parameters can be configured according to application requirements.

Q6: What protection functions are available?
It provides motor overload, phase monitoring, thermal protection, and fault diagnostics.

Q7: Can it be used for continuous operation?
Yes, it is designed for continuous industrial service.

Q8: Does it support communication with external control systems?
Yes, communication options are available depending on the installed configuration.

Q9: Can it replace a direct-on-line starter?
Yes, it is often used where smoother motor starting is preferred over direct starting.

Q10: What types of equipment commonly use this model?
It is frequently installed on pumps, compressors, conveyors, fans, and material handling equipment.