ABB S203L MCB, 3P, 20A Curve C, 400V AC, 6 kA Breaking Capacity

This miniature circuit breaker is a 3-pole MCB designed for electrical circuit protection. Rated at 20A, it delivers dependable performance under a rated AC voltage of 400V with a breaking capacity of 6 kA. With dimensions of 52.5mm in width and 69mm in depth, this device is perfect for mounting on a DIN rail, making it ideal for both commercial and industrial applications.

• 20A current rating ensures robust electrical circuit protection
• Type C MCB provides reliable tripping for inductive loads
• 3-pole design accommodates three-phase systems effectively
• 6 kA breaking capacity helps manage fault currents safely
• Screw terminal type enables straightforward and secure connections
• Compact DIN rail mounting allows for efficient use of panel space

• Used in upholding electrical safety in industrial installations
• Utilised for circuit protection in commercial electrical systems
• Employed in automation control panels for reliable operation
• Ideal for electrical distribution boards requiring compact solutions

This device features a Type C tripping characteristic, making it suitable for circuits with inductive loads. It trips in response to overloads or short-circuits, thus protecting connected equipment from damage.

The rated operational voltage for this circuit breaker is between 12V AC and a maximum of 440V AC, depending on the application. An adequate voltage supply ensures optimal performance and safety.

The device is designed for DIN rail mounting, making it versatile and easy to install in various panel configurations. It can also be installed in any position on the rail, enhancing its usability in tight spaces.