General Electric | TJK626400LL | Circuit Breaker | 400A | 2-Pole | 600V

General Electric TJK626400LL Circuit Breaker delivers reliable, high-capacity protection for 600V electrical systems. This 2-pole unit handles up to 400A, making it well-suited for demanding applications where both hot legs must trip together to safeguard equipment and wiring. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this GE part is built to meet the rigorous demands of industrial and commercial panels. Remember: the part number TJK626400LL is the most reliable reference for compatibility, and you should confirm fit and ratings before ordering.

Key specifications

• Amperage: 400A
• Poles: 2-Pole
• Voltage rating: 600V
• Brand: General Electric (GE)
• Part number: TJK626400LL
• Application: Circuit protection for 400A, 600V, 2-pole configurations in maintenance, retrofit, or replacement scenarios

What makes it a smart choice

This GE circuit breaker is purpose-built for serious current needs. The 2-pole design ensures both conductors disconnect simultaneously, reducing the risk of line-to-line faults and improving safety in high-load cabinets and panels. Its 600V rating aligns with a wide range of commercial and light industrial equipment, from heavy machinery feeders to large HVAC subpanels.

Ideal use cases

• Maintenance and retrofits in commercial or industrial panels that require 400A capacity
• Replacement of worn or failed breakers where the 2-pole, 600V specification is specified
• Long-term protection for high-demand feeders and critical circuits in demanding environments

How to ensure compatibility

To avoid mismatches, use the exact part number: TJK626400LL. Always verify the panel labeling and the manufacturer’s documentation to confirm that a 400A, 2-pole, 600V breaker matches the system’s requirements before purchase.