ABB S803S-K32 2CCS863001R0537 3-pole high-performance circuit breaker

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1. Product Overview

The ABB S803S-K32 3-Pole High-Performance Circuit Breaker is a high-performance air circuit breaker designed for industrial and building distribution systems. It provides excellent short-circuit protection and reliability. The breaker uses a thermal-magnetic trip mechanism for overload and short-circuit protection, and supports modular installation and remote operation.

The S803S series features a compact design and flexible operation, suitable for demanding industrial environments and critical power distribution systems. It complies with IEC 60947-2 standards, ensuring long-term safe and reliable operation.

2. Technical Specifications

3. Key Features & Advantages

• High short-circuit protection: Can withstand up to 50 kA short-circuit current

• Reliable operation: Thermal-magnetic trip for dependable overload and short-circuit protection

• Long service life: Mechanical life ≥ 20,000 operations, electrical life ≥ 10,000 operations

• Modular design: Supports auxiliary contacts, alarm contacts, and remote operation modules

• Compact and flexible: Space-saving, suitable for distribution and control cabinets

• Industrial standard compliant: IEC 60947-2 ensures safety and reliability

4. Typical Applications

• Industrial power distribution systems

• Main circuit protection for industrial automation equipment

• Motor and load control and protection

• High-demand building power distribution systems

• Renewable energy power distribution

• Main circuit protection in distribution and control cabinets

5. Installation & Safety Notes

1. Ensure the rated current matches the load to avoid overload or contact damage.

2. Confirm short-circuit breaking capacity meets system requirements before installation.

3. Keep the environment ventilated and dry; avoid dust, water mist, or corrosive conditions.

4. Ensure main circuit wiring is secure to prevent poor contact.

5. Regularly check breaker mechanism, contact condition, and overall appearance for long-term reliability.

6. Follow manufacturer guidance for remote operation modules to ensure safe operation.

The structure and details of the product：

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