GE TJK636400 - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

Engineered for dependable branch circuit protection, the GE TJK636400 400A, 600V, 3-pole molded case circuit breaker delivers precise, repeatable protection for panelboards and load centers. Its compact design and robust thermal-magnetic trip mechanism are built to meet the demands of modern electrical installations, from residential service panels to commercial distribution boards.

• Space-efficient design: The compact molded case form factor maximizes panel space, making it easier to fit higher-current protection without crowding enclosure layouts.
• Thermal-magnetic trip unit: Combines predictive thermal protection with an instantaneous magnetic trip, providing stable, repeatable protection against overcurrents and short circuits and reducing nuisance trips.
• Three-pole protection: A synchronized 3-pole configuration ensures balanced, phase-to-phase protection across all conductors, essential for multi-phase equipment and motor loads.
• High-current capability: Rated at 400A and 600V, it supports substantial branch circuits and feeder runs while meeting common panelboard specifications.
• OEM compatibility: Designed for seamless plug-and-play compatibility with matching GE OEM load centers and panelboards, simplifying installation and replacement.
• Versatile applications: Suitable for residential, commercial, and light industrial environments where reliable overcurrent and short-circuit protection is critical.

Key specifications

• Manufacturer: GE
• Part Number: TJK636400
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 400A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for electricians and facilities teams planning panelboard refreshes or upgrades, the GE TJK636400 offers a reliable, high-capacity solution that aligns with standard electrical layouts and OEM equipment. Its combination of space efficiency, precise protection, and plug-and-play compatibility helps accelerate installation, minimize downtime, and maintain safer, code-compliant electrical distribution across a range of building types.