Based on this product's specifications, here are some alternatives and similar models
Legrand TX3 403751 Miniature Circuit Breaker, 3-Pole, 6A, Type D, 6kA
Summary description:
The Legrand TX3 403751 is a 3-pole miniature circuit breaker designed for reliable electrical protection. It features a 6A rated current, Type D tripping characteristic, and a 6kA breaking capacity. Operating at 240-415V and 50-60Hz, this IP20-rated device is suitable for industrial and commercial applications requiring protection against short circuits and overloads. Its compact design ensures efficient installation in standard distribution boards.