Based on this product's specifications, here are some alternatives and similar models
Eaton FRCMM Residual Current Circuit Breaker 4P 63A 30mA Type G/A 10kA
Summary description:
The Eaton FRCMM-63/4/003-G/A is a 4-pole residual current circuit breaker designed for electrical safety and protection against leakage currents. It features a rated current of 63A, a sensitivity of 30mA, and a short-circuit breaking capacity of 10kA. This Type G/A device provides reliable protection in industrial and residential electrical installations, ensuring enhanced safety against fault currents and preventing unwanted tripping.