Based on this product's specifications, here are some alternatives and similar models
Circuit breaker 3P C 50A 6kA AC Eaton xPole Home HN-C50/3 (MPN 194896)
Summary description:
Three-pole Eaton xPole Home circuit breaker HN-C50/3 (MPN 194896) with C characteristic, rated current 50 A and breaking capacity 6 kA AC. Designed to protect electrical circuits against overloads and short circuits in residential and light-commercial installations. Suitable for DIN-rail mounting and integration into distribution boards to provide reliable overcurrent protection.