Based on this product's specifications, here are some alternatives and similar models
Eaton FRCDM-63/4/03-G/B Residual Current Circuit Breaker, 63A, 4-Pole, 300mA, Type B
Summary description:
The Eaton FRCDM-63/4/03-G/B is a high-performance 4-pole residual current device (RCD) designed for reliable electrical circuit protection. With a rated current of 63A and a sensitivity of 300mA, this Type B device ensures safety against AC and pulsating DC residual currents. It features a breaking capacity of 10000A and is rated at 415V, making it suitable for demanding industrial and commercial electrical installations requiring advanced fault detection.