Based on this product's specifications, here are some alternatives and similar models
Eaton NZMB1-A50 3-Pole Circuit Breaker, 50A, 440V
Summary description:
The Eaton NZMB1-A50 is a reliable 3-pole circuit breaker designed for industrial and commercial electrical distribution systems. It features a rated current of 50 A and a rated operational voltage of 440 V. With a breaking capacity of 30 kA, this device ensures effective protection against overloads and short circuits. It is rated IP20 for protection against solid objects and is suitable for standard panel mounting.