Based on this product's specifications, here are some alternatives and similar models
Residual Current Circuit Breaker (RCCB) 4P 63A 30mA Type AC Legrand P304 (411709)
Summary description:
Legrand P304 residual current circuit breaker (RCCB) is a 4-pole device rated 63 A with 30 mA sensitivity, Type AC. Designed to detect AC residual currents and provide protection against earth leakage and electric shock. Suitable for distribution boards in residential and light commercial installations to enhance electrical safety and comply with regulations.