General Electric | TJK436400 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

Meet the General Electric TJK436400: a robust 400A, 3-pole, 600V bolt-on circuit breaker built to power demanding electrical systems with reliable protection. Designed for maintenance, retrofit, and replacement tasks, this unit provides a precise, dependable solution when your panel and wiring require exact specifications.

Key specifications

• Amperage: 400 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Mounting style: Bolt-On
• Manufacturer: General Electric
• Part number: TJK436400

Why this bolt-on breaker stands out

• Secure, bolt-on mounting for fast, solid installation in compatible panels, reducing field downtime during replacements or retrofits.
• Three-pole design provides balanced protection for three-phase systems, helping safeguard motors, feeders, and distribution circuits.
• 600V rating makes it well-suited for industrial and commercial power distribution environments where higher voltage protection is required.
• Built around GE engineering standards, offering dependable performance for maintenance and long-term service reliability.

Ideal use cases

• Retrofits and replacements in existing GE panels or other enclosures that call for a bolt-on, 3-pole, 400A breaker.
• Maintenance outages where a precise, compatible unit is needed to minimize panel downtime.
• New installations in systems that operate on three-phase power and require solid, straightforward bolt-on mounting.

Fit & compatibility

Notes: Confirm fit and ratings before ordering. Part number is the best reference for compatibility.

Installation & safety considerations

Installations should be performed by qualified personnel. Before replacing or retrofitting, ensure the panel is de-energized and the system is de-energized and locked out. Use appropriate PPE, follow all local electrical codes, and verify wiring and terminations match the breaker’s specifications to maintain safe, reliable operation.