Legrand 40 AMP TYPE B 6kA MCB CIRCUIT BREAKER 4197 56 RX3

• Conforms to BS EN 60898-1, RX3 residential range
• DIN rail mounting with 17.5 mm modular width
• For use in 230/400 V AC residential systems
• Rated for 40 A with 6000 A fault capacity

The Legrand RX3 4197 56 is a 40 A single-pole miniature circuit breaker designed for residential and light commercial electrical protection. It features a B-curve tripping characteristic, making it suitable for protecting standard resistive and lighting loads. Compliant with BS EN 60898-1 and rated for 6000 A breaking capacity, it delivers dependable disconnection during overloads and short circuits. The device is 17.5 mm wide, fits standard DIN rails, and is compatible with Legrand's consumer unit systems. It ensures quick installation and clear labelling for maintenance visibility.