Based on this product's specifications, here are some alternatives and similar models
Circuit breaker E.NEXT e.mcb.pro.60 1P C20A 6 kA (MPN EX-P042009)
Summary description:
Single-pole miniature circuit breaker E.NEXT e.mcb.pro.60 with C20A tripping characteristic and 6 kA breaking capacity. Designed for overcurrent protection in residential and light commercial electrical circuits, it provides reliable thermal-magnetic trip response for overload and short-circuit events. Compact DIN-rail mounting and standard connection terminals make it suitable for distribution boards and panel installations.