General Electric | THJK626400LL | Circuit Breaker | 400A | 2-Pole | 600V

Engineered by General Electric, the THJK626400LL circuit breaker delivers durable overcurrent protection for demanding 600-volt electrical systems. This 400A, 2-pole unit is built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 400A
• Configuration: 2-Pole
• Voltage rating: 600V

Why this GE THJK626400LL matters

When your installation requires precise compatibility, the THJK626400LL stands out with a reference-forward approach: use the part number THJK626400LL as the primary compatibility checkpoint. The two-pole design protects both hot legs simultaneously, ensuring a safer shutdown during fault conditions and helping minimize cascading damage to downstream equipment.

Ideal applications and use cases

• Retrofit projects in GE-compatible panels where a 400A, 2-pole, 600V breaker is required.
• Replacement for aging or failed breakers in service panels, switchgear, and industrial control panels operating at 600V.
• Maintenance upgrades during electrical modernization to improve reliability and response under high-load conditions.

What sets it apart from generic breakers

• Exact spec alignment: Designed to align with GE panels and configurations, reducing guesswork during replacements.
• Robust 2-pole protection: Simultaneous disconnection of both conductors enhances safety and minimizes arcing risks.
• High-capacity performance: Built to handle substantial load demands typical of commercial and light industrial environments.

Practical tips for a smooth upgrade

• Always confirm fit and ratings before ordering—the THJK626400LL part number is your best reference for compatibility.
• Verify that your equipment and main distribution setup are rated for 600V and 400A capacity before replacement.
• If you’re unsure about panel compatibility or safe replacement procedures, consult a licensed electrician.