ABB S203M-B63 Protecta Plus 3-Pole 63A MCB - Type B

The ABB Protecta Plus S203M-B63 is a reliable miniature circuit breaker designed for high-performance electrical protection. Part of the ABB System pro M Compact S200M series, this 3-pole device is engineered to safeguard your installations from both overload and short-circuit faults. With a 63A rating and Type B tripping characteristic, it provides a fast response for circuits with low inrush current, making it an ideal choice for lighting and heating systems in commercial, residential, and industrial settings. This industrial MCB features a 10kA breaking capacity and supports both 440V AC and 12V DC applications. Designed for easy integration, it mounts directly onto standard DIN rails in switchboards and distribution boards. Whether you are managing a small residential setup or a complex industrial electrical system, the S203M-B63 offers the dependable protection required to maintain system integrity and prevent electrical damage.