The MK RCBO B16 16 A 30 mA Type B Sentry B16 7934s is a high-quality circuit breaker designed for electrical wiring in interior rooms. This grey-coloured device features overcurrent protection with a Type B tripping characteristic and a maximum amperage of 16 A. It is equipped with a safety switch/residual-current device (RCD) for added protection, as well as a trip indicator for easy identification of issues. With screw terminals for electrical connection and a DIN rail mounting style, this fixed RCD circuit breaker from Sentry is a reliable choice for ensuring safety in electrical circuits.