Eaton 12155RD07 Molded Case Circuit Breaker is a 3-pole MCCB designed to protect three‑phase electrical circuits by interrupting fault currents. The part number 12155RD07 is also listed under the Cutler-Hammer branding, reflecting Eaton’s legacy catalog. This model identifies a molded case circuit breaker suited for use in electrical distribution where three‑phase protection is required.
