# Miniature Circuit Breakers The ABB S271-K40 Miniature Circuit Breaker (MCB) is an essential component designed for reliable protection in electrical installations. This high-quality MCB is engineered to safeguard circuits by automatically interrupting electrical flow in case of overloads or short circuits, ensuring safety and compliance with industry standards. ## Key Features • **Rated Current**: 40A, allowing it to handle substantial electrical loads while providing dependable protection. • **Breaking Capacity**: 6kA at 230/400V, ensuring effective interruption of fault currents for enhanced safety. • **Pole Configuration**: 1P + N (1 Pole + Neutral) for versatile applications in single-phase systems. • **Tripping Characteristic**: Type B, designed for residential and commercial applications to protect against overloads and short circuits. • **Temperature Range**: Operating temperature from -25°C to +60°C, making it suitable for various environments. ## Applications • **Residential and Commercial**: Ideal for use in homes, office buildings, and commercial spaces where reliable circuit protection is critical. • **Industrial Use**: Suitable for protecting motors, lighting circuits, and other electrical equipment in industrial settings. • **Compatibility**: Designed to fit standard mounting rails, ensuring easy integration into existing electrical panels and systems. ## Benefits • **Enhanced Safety**: Automatically disconnects the electrical supply during fault conditions, reducing the risk of fire and equipment damage. • **Durability**: Constructed with high-quality materials to ensure long-lasting performance and reliability in demanding environments. • **Easy Installation**: Compact design allows for straightforward installation and integration into various electrical systems. --- *Product information compiled with AI assistance for reference purposes.*