The Hager RCBO 20A 30mA 1 Module 106853 is a white DIN rail-mounted circuit breaker with overcurrent protection. It is designed for interior use and features a safety switch/residual-current device (RCD) for instantaneous interruption. With a maximum amperage of 20A and IP20 rating, this GFI circuit breaker is suitable for electrical wiring in any room. The screw terminal electrical connection, switch control style, and on/off operation method make it a reliable choice for providing protection in AC current systems.