The MRB6-6/3N/D/01-A with RCBO breaker, manufactured by Eaton, is a single-phase, 6-amp breaker. It has a 100mA tripping current, a 250A maximum surge current, and an IP20 rating. The breaker is designed to protect single-phase circuits and can be used in conjunction with other types of circuit breakers. It is suitable for use in residential, commercial and industrial installations, including swimming pool, wet area, and suspended ceiling applications. It is flame retardant, can be mounted vertically or horizontally, and is designed for both DIN rail and surface mounting.