ABB SMISSLINE TP S403 Miniature Circuit Breaker, 3-Pole, 10A, Type B, 400V ac AC, 6 kA Breaking Capacity

This miniature circuit breaker is designed for use in both commercial and industrial applications. The device features three poles and a current rating of 10 A, making it suitable for a variety of power distribution needs. With dimensions of 54mm in width and a robust breaking capacity of 6 kA, it is part of the Smissline range, specifically tailored for reliable and efficient circuit protection.

• Enhanced overload protection prevents circuit damage
• Thermal tripping mechanism ensures safe operation
• Type B characteristic suits residential and commercial use
• Compact design allows for easy installation in confined spaces
• High breaking capacity effectively manages fault conditions
• Robust screw Terminal contact type for secure connections

• Ideal for protecting electrical circuits in commercial buildings
• Suitable for use in industrial machinery and equipment
• Frequently utilised in plug in distribution systems
• Commonly employed in automated electrical installations

The Type B characteristic allows the breaker to trip quickly under overcurrent conditions, which is Ideal for applications with motors and lighting, ensuring effective protection without nuisance tripping during inrush currents.

The 6 kA breaking capacity indicates the maximum fault level the device can safely interrupt without failure, providing peace of mind in high-demand electrical environments and enhancing overall system safety.

Yes, it is suitable for residential applications, providing reliable protection for home electrical systems while accommodating typical load conditions such as lighting and small appliances.

EN 60898-1