Based on this product's specifications, here are some alternatives and similar models
Circuit breaker Schelinger 1P-B20A 20A single-pole miniature overcurrent protection
Summary description:
Single-pole circuit breaker Schelinger 1P-B20A with a rated current of 20 A. Designed for overcurrent protection in residential and light-commercial electrical installations, it provides reliable switching and fault interruption for a single phase. Suitable for DIN-rail mounting in distribution boards, it helps protect wiring and connected devices from overloads and short circuits.