General Electric THJK436F000 Hi Break Circuit Breaker

General Electric THJK436F000 Hi-Break Circuit Breaker is a three-pole protective device designed to interrupt overcurrent in three-phase electrical systems, with a voltage rating up to 600 V, enabling reliable disconnection when fault conditions arise. This GE breaker is rated for 400 A, providing overcurrent protection for circuits and connected equipment, helping prevent damage from overloads and short circuits in electrical installations across industrial and commercial power networks. The THJK436F000 designation identifies this unit within GE's Hi-Break family as a three-pole breaker with a 600 V maximum system voltage, a configuration commonly used for three-phase distribution. The part number THJK436F000 uniquely identifies this specific GE breaker in catalogs and replacement parts, making it the exact choice when upgrading or maintaining GE-based electrical systems that require three-pole, 400 A, 600 V protection. In service, it provides rapid isolation of faulted circuits to protect conductors and equipment and help maintain overall system stability.