General Electric | TJK436400LL | Circuit Breaker | 400A | 3-Pole | 600V

General Electric TJK436400LL Circuit Breaker — 400A, 3-Pole, 600V

Designed for demanding electrical environments, the General Electric TJK436400LL circuit breaker provides a precise 400-amp rating across three poles for up to 600 volts. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, helping you protect three-phase systems with confidence and keep downtime to a minimum.

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Best reference for compatibility: Part number TJK436400LL
• Ideal use cases: Maintenance, retrofit, and replacement where matching specs are required
• Important note: Confirm fit and ratings before ordering to ensure a correct match with your panel

Practical applications include upgrading distribution panels in commercial or industrial spaces, replacing aging breakers in service panels, and retrofitting systems that operate on three-phase 600V services. The 3-pole design ensures synchronized disconnection across all phases, improving safety when servicing motors, conveyors, and other three-phase equipment.

Why this matters: using the exact part number—TJK436400LL—helps guarantee compatibility and reliable protection, reducing uncertainty and streamlining procurement for complex electrical installs. If your project requires a GE 400A, 3-Pole, 600V solution, this breaker delivers the precise specifications you need with clear, referenceable compatibility.

Pro tips

• Verification: Always reference the exact part number (TJK436400LL) to confirm fit with your panel model and rating.
• Inventory planning: Keep a spare on hand for planned maintenance to minimize equipment downtime.