General Electric | TJK626300LL | Circuit Breaker | 300A | 2-Pole | 600V

General Electric's TJK626300LL Circuit Breaker is a robust, high-capacity protection device designed for demanding electrical systems. With a 300A rating and a 2-pole design, it provides reliable interruption of fault currents and safeguards your distribution panel up to 600V. Built for maintenance, retrofit, and replacement projects, this GE part ensures you can preserve system safety and performance when exact specifications matter.

Specifications at a glance

• Amperage: 300 A
• Poles: 2-Pole
• Voltage rating: 600V
• Part number: TJK626300LL
• Intended use: maintenance, retrofit, and replacement where matching specs are required

What makes this GE breaker stand out

• Exact-spec compatibility: The part number TJK626300LL is your best reference for compatibility, helping to prevent mismatches in GE panels and distributions systems.
• High-current protection: A 300A rating covers heavy-load circuits and feeders, delivering dependable protection for critical equipment.
• Two-pole design for balanced protection: Simultaneous disconnection of both conductors enhances safety and minimizes arcing risks during trips.
• 600V maximum rating: Suitable for higher-voltage distribution within safe, code-compliant installations.

Ideal use cases

• Retrofitting older GE panels to upgrade protection for high-demand circuits
• Replacing a failed or worn-out breaker in commercial or industrial electrical rooms
• Installing a dedicated 300A, 2-pole, 600V protection solution for heavy machinery feeders or critical loads

Compatibility and buying tips

Before ordering, verify that your equipment requires TJK626300LL and that the panel labeling supports a 2-pole, 600V, 300A breaker. The part number is the most reliable reference for compatibility, helping you avoid mismatches and ensure a smooth installation process.

Safe installation and handling

Install and service by de-energizing the system and following all local electrical codes. If you’re not an licensed electrician, consult one to ensure proper mounting, wiring, and testing of the circuit protection device.