General Electric | TJK436Y400 | Circuit Breaker | 400A | 3-Pole | 600V | Feed-Through

The General Electric TJK436Y400 circuit breaker is a purpose-built OEM solution for demanding electrical systems. With a robust 400A rating, 3 poles, and a 600V operating capability, this feed-through breaker provides dependable protection for feeders and downstream circuits in industrial and commercial environments.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Feed-Through: Yes

Why this GE breaker stands out

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the TJK436Y400 offers a precise, OEM-compatible option that helps maintain electrical protection coordination. The feed-through design enables downstream distribution within the same assembly, streamlining upgrades and reducing downtime during service or expansion. When you need a part that aligns perfectly with GE panels and compatible configurations, this unit is engineered to fit your system without guesswork.

Ideal use cases

• Replacing a failed breaker in GE panels that require a 400A, 3-pole, 600V feed-through device
• Retrofit projects aimed at upgrading feeder protection and simplifying downstream distribution
• Maintenance replacements where matching specs ensure continued protection and panel coordination

Compatibility and procurement tips

Always confirm fit and ratings before ordering. The part number TJK436Y400 is the best reference for compatibility with GE equipment, and it serves as a reliable identifier for matching the exact specifications your system requires.

If you’re assembling or upgrading a high-capacity distribution scheme, this GE circuit breaker delivers the performance you need with clear, OEM-grade reliability. Consider it when factory-specified protection, streamlined downline feeding, and dependable performance are priorities for your electrical infrastructure.