Product Overview

The Schneider ATS22C41Q Altistart Soft Starter is an industrial motor-control device in the Altistart 22 family, used to manage the starting and stopping of asynchronous motors.

For equipment such as pumps, fans, compressors, conveyors, and other motor-driven machinery, direct starting can create a sudden current demand and an abrupt increase in mechanical torque. The ATS22C41Q provides a controlled starting process, helping the motor transition into operation more smoothly and reducing the impact on connected mechanical components.

The unit is primarily intended for applications requiring controlled motor acceleration and stopping, rather than continuous variable-speed regulation. It is therefore commonly considered as part of a complete motor-control system together with circuit protection, switching equipment, control wiring, the motor, and the driven load.

Technical Specifications

Product Features

The ATS22C41Q is suited to industrial motor applications where a controlled starting process is preferred over direct-on-line starting.

• Altistart 22 soft starter
• Suitable for asynchronous motor applications
• Controlled motor acceleration
• Controlled stopping capability
• Helps reduce sudden mechanical torque during startup
• Suitable for industrial motor-control systems
• Applicable to pumps, fans, compressors, and conveyors
• Suitable for general-purpose industrial machinery
• Dimensions of 425 × 206 × 299 mm
• Stated weight of 33 kg

Working Principle

The ATS22C41Q is installed in the power path between the incoming supply and the asynchronous motor.

A simplified arrangement is:

Incoming Power → ATS22C41Q → Asynchronous Motor → Mechanical Load

During startup, the soft starter controls the electrical conditions applied to the motor, allowing acceleration to take place progressively. Compared with direct starting, this reduces the abrupt transition from a stationary motor to normal operation.

This operating method can be useful for equipment where sudden torque may place stress on belts, couplings, shafts, pumps, or other mechanical components.

The starter can also control the stopping process when the application requires a more gradual transition toward the stopped state.

The ATS22C41Q is therefore a soft starting and stopping device, rather than a variable-frequency drive intended for continuous motor-speed control.

Industrial Applications

Compatible System Components

The soft starter should be selected together with the motor, protection equipment, control system, and mechanical load to ensure the complete installation is properly matched.

Installation and Maintenance

The ATS22C41Q is intended for installation in a suitable industrial electrical enclosure. Its stated 33 kg weight should be considered when planning cabinet mounting, handling, and mechanical support.

Before installation or replacement, verify the complete model number and the requirements of the motor-control application.

Recommended checks include:

• Confirm the complete ATS22C41Q model number.
• Verify the motor and incoming supply requirements.
• Check power-terminal connections.
• Inspect motor cables and terminals.
• Verify control wiring.
• Check grounding arrangements.
• Ensure adequate enclosure ventilation.
• Inspect terminals for looseness or overheating.
• Review the starter configuration after replacement.
• Check the mechanical load if acceleration is abnormal.
• Inspect the motor if starting problems continue.
• Perform a controlled test run after installation.

If abnormal starting occurs, the electrical supply, motor, load, protection devices, control signals, and starter configuration should all be checked before identifying the soft starter as the cause.

Recommended Related Models

A replacement model should be selected according to the complete model number, motor requirements, electrical configuration, starting duty, and mechanical load rather than physical dimensions alone.

Key Advantages

• Altistart 22 soft starter
• Suitable for asynchronous motor applications
• Controlled motor acceleration
• Controlled stopping capability
• Suitable for industrial motor-control systems
• Applicable to pumps, fans, compressors, and conveyors
• Suitable for larger motor-control installations
• Dimensions of 425 × 206 × 299 mm
• Stated weight of 33 kg

Technical FAQs

What is the Schneider ATS22C41Q used for?

The ATS22C41Q is used to control the starting and stopping of asynchronous motors. It is suitable for industrial machinery where a gradual motor transition is preferred over direct starting.

What benefit does controlled starting provide?

Controlled starting allows the motor to accelerate more progressively, which can reduce sudden torque transmission to the mechanical load and minimize starting impact on components such as belts, couplings, and shafts.

Is the ATS22C41Q a variable-frequency drive?

No. The ATS22C41Q is a soft starter. Its primary function is controlled motor starting and stopping, whereas a variable-frequency drive is used when continuous motor-speed regulation is required.

What should be checked before replacing an ATS22C41Q?

Check the complete model number, motor characteristics, incoming supply, starting duty, control wiring, protection arrangement, and mechanical load. These factors are more important than physical dimensions when determining replacement compatibility.