Based on this product's specifications, here are some alternatives and similar models
Eaton FAZ-C40/1 Miniature Circuit Breaker, 1-Pole, C-Curve, 40A, 15kA
Summary description:
The Eaton FAZ-C40/1 is a high-performance 1-pole miniature circuit breaker designed for reliable overcurrent and short-circuit protection. Featuring a C-type tripping characteristic and a 40A rated current, it offers a 15kA breaking capacity. This device is suitable for industrial and commercial electrical installations, ensuring safety and operational continuity in AC power distribution systems.