General Electrics TJC36400B - 400 A, 3-Pole Circuit Breaker | AmpState

Meet the General Electrics TJC36400B: a rugged 400 A, 3-pole molded case circuit breaker designed to anchor dependable branch circuit protection in panelboards and load centers. Built to stand up to demanding electrical environments, this unit delivers consistent performance where it matters most—protecting your wiring and equipment from overloads and short circuits.

• 400 A, 3-pole design provides robust three‑phase protection for main feeders and critical branch circuits in commercial and light industrial settings.
• Compact molded case construction minimizes space impact, helping you maximize panel real estate without sacrificing protection.
• Thermal-magnetic trip unit offers stable, repeatable protection by sensing both overload conditions and short circuits, reducing nuisance trips and improving reliability.
• OEM panel compatibility designed to work seamlessly with matching load centers and panelboards, enabling straightforward replacements and streamlined installs.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Why this breaker is the right choice

When you need reliable protection for substantial service feeders or critical circuits, the TJC36400B delivers. Its compact form factor frees panel space, while the thermal-magnetic trip mechanism combines precise overload protection with rapid short-circuit response. The result is safer distribution, fewer unnecessary trips, and a smoother path to code-compliant electrical protection.

Technical snapshot

• Manufacturer: General Electrics
• Part Number: TJC36400B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 400A
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Upgrade your distribution system with a breaker that aligns with OEM panel systems and delivers dependable, long‑lasting protection. The General Electrics TJC36400B is a purpose-built solution for panels and loads centers where solid performance and space efficiency matter—and it’s readily available from AmpState for trusted, authentic equipment you can count on.