General Electric | TJJ436Y400 | Circuit Breaker | 400A | 3-Pole | 600V | Feed-Through

General Electric TJJ436Y400 Circuit Breaker is a genuine GE protection device engineered for demanding 3‑phase applications. With a 400A rating, 3 poles, and a 600V operating voltage, this feed-through breaker is designed for installations that require direct, streamlined wiring between upstream and downstream circuits.

This part is ideal for maintenance, retrofit, and replacement projects where exact specifications matter. The TJJ436Y400 is identified by its precise part number, making it the most reliable reference for compatibility with GE panels and other OEM configurations. Before ordering, confirm fit and ratings to ensure seamless integration with your system.

Why this breaker stands out

• 400A amperage capacity providing robust protection for heavy workloads.
• 3‑pole design suitable for standard 3‑phase electrical systems.
• 600V voltage rating aligns with common industrial and commercial power distributions.
• Feed‑through configuration enables efficient wiring and downstream distribution without extra splices.
• Genuine General Electric part ensures reliable performance and OEM compatibility.
• Part number TJJ436Y400 serves as the best reference for exact compatibility.

Ideal use cases

• Retrofits and upgrades in GE-based or compatible 3‑phase panels where a like-for-like replacement is required.
• Maintenance swaps to restore original protection levels in existing electrical infrastructure.
• Replacement in facilities that operate at 600V with 3‑phase service, needing a dependable, OEM-grade breaker.

Practical guidance for buyers

• Always verify the panel model and slot availability to ensure a precise fit.
• Use the part number (TJJ436Y400) as the primary reference when checking compatibility.
• Confirm that your system is configured for a 600V, 3‑phase service to match the breaker’s ratings.