Based on this product's specifications, here are some alternatives and similar models
Circuit breaker noark Ex9BN 1P B16 — miniature single-pole B characteristic 16 A
Summary description:
Miniature circuit breaker noark Ex9BN 1P B16 is a single-pole protective device with B tripping characteristic and 16 A rated current. Designed for overcurrent and short-circuit protection in residential and light commercial electrical installations, it fits standard DIN-rail distribution boards and provides reliable circuit isolation and protection for lighting and power circuits.