Based on this product's specifications, here are some alternatives and similar models
Eaton PL6-D40/1 Miniature Circuit Breaker, 1-Pole, D-Curve, 40A, 6kA
Summary description:
The Eaton PL6-D40/1 is a high-quality 1-pole miniature circuit breaker designed for reliable electrical circuit protection. Featuring a D-type tripping characteristic, a 40A rated current, and a 6kA breaking capacity, this device is ideal for industrial and commercial applications with high inrush currents. It ensures safety by preventing overloads and short circuits in electrical installations.