SCHNEIDER ATS22C17Q 170A Three Phase Soft Starter

The SCHNEIDER ATS22C17Q 170A three-phase soft starter is a robust solution engineered for controlled motor acceleration and deceleration, offering significant benefits for industrial applications. Its primary advantages include reduced mechanical stress on equipment, lower inrush current, and enhanced energy efficiency. Key technical parameters such as a rated voltage of 208-460 V, a rated current of 170 A, and control voltage of 24 V DC, alongside its compact dimensions, underscore its suitability for demanding environments. This soft starter excels in protecting motor windings and electrical systems from the damaging effects of sudden power surges, thereby extending equipment lifespan and minimizing maintenance costs.

SCHNEIDER ATS22C17Q: Product Specifications

| Parameter              | Specification         |

| :--------------------- | :-------------------- |

| Product Type           | Soft Starter          |

| Rated Operational Power (AC-3) | 75 kW at 400 V        |

| Rated Operational Current | 170 A                 |

| Supply Voltage         | 208-460 V AC          |

| Control Voltage        | 24 V DC               |

| Number of Phases       | Three                 |

| Mounting Type          | Floor-standing        |

| Enclosure Rating       | IP20                  |

| Operating Temperature  | -10 to 50 °C          |

Core Features & Market Positioning

The SCHNEIDER ATS22C17Q distinguishes itself with its advanced control algorithms that provide smooth, stepless acceleration and deceleration profiles. This precise control minimizes mechanical shock, extending the life of pumps, fans, conveyors, and other connected machinery. Unlike traditional direct-on-line (DOL) starters, the ATS22 series significantly reduces the high inrush current associated with motor startup, thereby lowering peak demand charges and alleviating stress on the power grid. Its robust construction and reliable performance position it as a preferred choice for applications demanding durability and consistent operation in harsh industrial settings. The integrated bypass function further enhances energy savings during full-speed operation and reduces heat generation within the starter.

Key Application Scenarios

This soft starter is ideally suited for a wide array of industrial applications where controlled motor starting is paramount. It is frequently specified for centrifugal pumps in water and wastewater treatment plants, where smooth ramp-up prevents water hammer and system shock. In material handling, it ensures gentle acceleration of conveyor belts, protecting goods from damage and reducing wear on mechanical components. For fan applications, such as in HVAC systems or industrial ventilation, the ATS22C17Q enables gradual speed increase, minimizing noise and structural vibration. Its capability to handle high starting currents also makes it a viable option for compressors and crushers, though careful system sizing is always recommended.

Practical System Integration Guidance

Integrating the SCHNEIDER ATS22C17Q into existing control systems is straightforward, facilitated by its clear terminal layout and comprehensive documentation. The unit requires a three-phase power supply and a 24 V DC control power source. Wiring should adhere to standard industrial electrical practices, ensuring proper grounding and phase connections. For applications requiring external control signals, such as Start/Stop commands from a PLC or HMI, dedicated input terminals are provided. Programming, if applicable for advanced parameter adjustments, typically involves accessing the starter's internal menu via its display or using Schneider Electric's dedicated software tools, allowing for fine-tuning of acceleration/deceleration times, current limits, and soft starter ramp profiles to match specific motor and load characteristics. The integrated bypass contactor simplifies wiring for full-speed operation, reducing heat dissipation and energy loss.

Operation and Risk Mitigation

Safe operation of the SCHNEIDER ATS22C17Q relies on adherence to installation guidelines and proper parameter configuration. The soft starter incorporates internal protections against overload, short circuit, and phase imbalance, but external protective devices like circuit breakers and fuses are still mandatory as per electrical codes. During operation, monitoring motor current and temperature is crucial to identify potential issues early. Common troubleshooting may involve checking control voltage, ensuring adequate cooling, and verifying parameter settings. Fault codes, typically displayed on the unit's interface, provide diagnostic information; for instance, an "Overload" fault (often indicated by specific code numbers like F01 or similar) suggests the motor is drawing more current than set limits, requiring an investigation into the load or motor itself. "Phase Loss" or "Phase Imbalance" faults (e.g., F02, F03) necessitate checking incoming power quality and connections.

Scalability & Long-Term Value

The SCHNEIDER ATS22C17Q offers substantial long-term value through its robust design and compatibility with broader industrial automation platforms. While not directly upgradeable in terms of internal hardware, its integration capabilities allow it to be part of larger, more sophisticated control architectures. It can be networked with Programmable Logic Controllers (PLCs) and Supervisory Control and Data Acquisition (SCADA) systems for remote monitoring, control, and diagnostics. This connectivity is crucial for implementing predictive maintenance strategies and optimizing plant performance in the context of Industry 4.0. Its ability to work harmoniously with other Schneider Electric products and third-party components ensures flexibility in system design and future expansion, providing a reliable foundation for evolving industrial needs.

Frequently Asked Questions

What is the primary function of the SCHNEIDER ATS22C17Q?

The SCHNEIDER ATS22C17Q serves as a three-phase soft starter, designed to gradually increase motor speed during startup.

This controlled acceleration reduces mechanical stress on machinery and electrical systems by limiting inrush current.

Its core purpose is to enhance motor and equipment longevity while improving operational efficiency and power quality.

How does the ATS22C17Q reduce inrush current?

It utilizes controlled voltage ramp-up to start the motor, thereby decreasing the initial current draw.

This method prevents the high surge current typically seen with direct-on-line (DOL) starting methods.

By managing the current, it protects power infrastructure and reduces energy costs associated with peak demand.

What are the typical applications for this soft starter?

This soft starter is ideal for applications like pumps, fans, and conveyors requiring smooth acceleration.

It is commonly used in water management, material handling, and HVAC systems to protect equipment.

Its robust design makes it suitable for many industrial environments where controlled motor starts are essential.

Can the SCHNEIDER ATS22C17Q be used with a single-phase motor?

No, the SCHNEIDER ATS22C17Q is specifically designed for three-phase motor applications.

It requires a three-phase power supply to operate correctly and provide controlled starting.

Using it with a single-phase motor would result in malfunction and potential damage to the motor and starter.

What is the rated current of the SCHNEIDER ATS22C17Q?

The rated operational current for the SCHNEIDER ATS22C17Q is 170 Amperes.

This current rating is crucial for ensuring compatibility with the motor it is intended to control.

Selecting the correct starter size based on motor current is vital for reliable and safe operation.

What is the typical voltage range for this soft starter?

The SCHNEIDER ATS22C17Q operates with a supply voltage range of 208 to 460 Volts AC.

This wide voltage compatibility allows for flexible installation in various power systems.

Always ensure the input voltage matches the starter's specifications to prevent damage.

Does the ATS22C17Q offer motor protection features?

Yes, the soft starter includes integrated protection functions for overload and phase loss.

It helps safeguard the motor and connected components from electrical faults.

However, external protective devices like circuit breakers are still necessary for complete system safety.

How do I wire the SCHNEIDER ATS22C17Q for installation?

Refer to the product manual for detailed wiring diagrams and terminal connections.

Ensure proper connections for the three-phase power supply, motor, and control voltage.

Adhere strictly to local electrical codes and safety standards during installation.

What does the "bypass" function on the ATS22C17Q do?

The bypass function activates when the motor reaches full speed, providing a direct power path.

This reduces energy consumption and heat generation within the soft starter during normal operation.

It also allows the motor to run at maximum performance once the starting phase is complete.

Where can I find the technical specifications for the ATS22C17Q?

The detailed technical specifications are provided within the product's official documentation and datasheets.

These documents list parameters like power ratings, voltage, current, enclosure type, and operating temperatures.

You can also find a summary of key specifications in product descriptions and technical articles.