Based on this product's specifications, here are some alternatives and similar models
Circuit breaker Kanlux 1-pole B curve 20 A model 23142
Summary description:
Single-pole miniature circuit breaker Kanlux model 23142 with B-characteristic and 20 A rated current. Designed to protect electrical circuits from overloads and short circuits in residential or light commercial installations. Compact DIN-rail mount device suitable for distribution boards, providing reliable overcurrent protection for lighting and small appliance circuits.