ABB S203L MCB, 3P, 16A Curve C, 400V AC, 6 kA Breaking Capacity

This S203L-C16 Miniature Circuit Breaker (MCB) is a three-pole device designed for enhanced electrical protection. With a current rating of 16A and a breaking capacity of 6 kA, it assures reliable operation within your electrical systems. This DIN rail circuit breaker complies with IEC 60898-1 standards, making it ideal for installation in various environments. Measuring 52.5mm in width and 69mm in length, this compact solution fits easily within standard electrical cabinets.

• Type C tripping characteristics handle motor loads effectively
• Rated for operational voltage up to 400V AC enhancing versatility
• Screw terminal connection ensures secure wiring and installation
• Robust breaking capacity of 6 kA protects systems from overloads
• Designed for 20,000 AC cycles for lasting performance
• Compact design optimises space on DIN rail installations

• Used with industrial machinery for overload protection
• Ideal for residential and commercial distribution boards
• Suitable for automation systems requiring reliable circuit interruption
• Employed in mechanical and electrical panel installations

The Type C characteristic is effective for motors, allowing the breaker to withstand brief current surges without tripping. This ensures stability in applications where motors are frequently used, thus safeguarding equipment and enhancing operational reliability.

A breaking capacity of 6 kA provides robust protection against short circuits. This means the device can interrupt high fault currents safely, thereby preventing potential damage to electrical systems and minimising safety risks.

The IP20 rating indicates that the device is protected against solid objects larger than 12mm, making it suitable for environments where dust or larger debris is minimal. It is vital for ensuring basic protection in enclosed installations.

This circuit breaker features screw terminals and is compatible with a range of wire types, including flexible and rigid conductors, ensuring ease of installation and optimal performance based on the application requirements.

The operational temperature range of -25 to +55 °C means it can be safely installed in various environments. However, care should be taken to ensure proper ventilation and to avoid mechanical stress that could affect performance.