General Electric | TJJ436300LL | Circuit Breaker | 300A | 3-Pole | 600V

The General Electric TJJ436300LL circuit breaker is a rugged, three‑pole protection device designed for demanding 3‑phase electrical systems. With a 300A rating and a 600V maximum, this GE breaker offers dependable overcurrent protection for high‑load applications, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 300A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: TJJ436300LL

Why this GE breaker stands out

• The part number TJJ436300LL is your most reliable guide when matching it to GE panels and accessories. This reduces guesswork and helps ensure a correct, safe replacement.
• Trusted GE engineering: Built by General Electric for long‑term reliability in high‑current, three‑phase environments.
• Versatile for retrofit and maintenance: Designed to slot into existing GE installations where a 3‑pole, 600V, 300A protection device is required, preserving circuit protection without the need for reengineering.

Ideal use cases

• Replacement in existing GE panels that require a 3‑pole, 600V circuit breaker rated at 300A.
• Retrofit projects upgrading legacy systems to current GE specifications and standards.
• Maintenance scenarios in industrial or commercial settings where three‑phase protection is essential for motor drives and heavy equipment feeders.

Practical guidance for replacement

• Verify fit and ratings before ordering: Confirm that your panel or enclosure calls for the TJJ436300LL specification to avoid compatibility issues.
• Keep the part number handy: Using TJJ436300LL as the reference helps ensure you’re choosing the exact replacement needed for continued protection and performance.
• Safety and installation: Have a qualified electrician perform installation and follow all relevant safety guidelines and manufacturer instructions.

Choose the General Electric TJJ436300LL when you need a genuine, specification‑accurate 300A, 3‑pole, 600V circuit breaker. It delivers reliable protection for demanding three‑phase circuits and offers a clear path for compatible replacements and retrofits within GE installations.