The GE TJK43Y0002 molded case circuit breaker is a 400-amp, 600-volt protective device designed to interrupt overcurrent in electrical distribution systems. As a molded case switch, it protects feeders and branch circuits within panels by interrupting faults and overloads. Model TJK43Y0002 identifies this specific General Electric MCCB for ordering replacements and ensuring compatibility within GE electrical installations.
