Based on this product's specifications, here are some alternatives and similar models
Kanlux KRD10-4/63/30-B Residual Current Circuit Breaker 4P 63A 30mA Type B
Summary description:
The Kanlux KRD10-4/63/30-B is a 4-pole residual current circuit breaker designed for electrical safety. With a rated current of 63A and a sensitivity of 30mA, this Type B device provides protection against AC and pulsating DC residual currents. It is suitable for industrial and commercial electrical installations, ensuring reliable circuit interruption in case of leakage to prevent equipment damage and electrical hazards.