Eaton RYR6203B Three-Phase Molded Case Circuit Breaker

The Eaton RYR6203B is a three-pole molded case circuit breaker from Eaton’s Power Defense RF line, built to protect three-phase electrical circuits with a 2000 A rating. This MCCB is configured as a 3-pole device to interrupt fault currents across all phases, helping safeguard conductors and equipment in industrial or commercial power systems. Its molded case construction provides compact insertion into electrical assemblies while delivering reliable overcurrent protection for large loads. The RYR6203B designation identifies a high-current, three-phase breaker within Eaton’s RYR family, designed for stable performance in demanding environments where coordinated phase protection matters. By focusing on the core attributes—model RYR6203B, three-pole, molded case design, 2000 A rating, and three-phase protection—this unit serves applications requiring robust, single-device protection for all three phases in a single, compact solution.