GE THLC434300 Circuit Breaker, 300A, 3-Pole, 480V

Meet the GE THLC434300 Circuit Breaker—a robust, three-pole protective device built for demanding industrial environments. Rated for 480V and 300A, it delivers reliable protection for your three-phase power distribution, making it ideal for heavy-duty electrical systems in manufacturing, processing, and industrial facilities.

Designed for industrial service, maintenance, and replacement projects, this breaker sits within GE's trusted THLC family. Use the part number THLC434300 to confirm compatibility with your specific panel and application requirements, ensuring a seamless upgrade or replacement.

Key benefits

• Three-pole protection for 480V three-phase circuits, supporting large motor feeders and distribution lines
• Part of the THLC series, engineered for consistent performance within GE switchgear and panels
• Clear, straightforward compatibility for replacement and maintenance projects, reducing installation time and risk of fit issues
• Durable construction designed to withstand the rigors of industrial environments and long service life

Ideal use cases

• New installations in manufacturing, packaging, and processing facilities requiring robust 3-phase protection
• Panel upgrades or replacements in existing THLC-based electrical distributions
• Maintenance workflows where a proven GE THLC component ensures consistent protection and quick part match

Compatibility and how to verify

Important: Verify fit by part number and application requirements. Use the exact part number THLC434300 to confirm compatibility with your GE THLC panels and 480V, 300A service. If you need help matching a part number or confirming compatibility, send us a message and we’ll assist you in minutes with a precise fit check.

Technical snapshot:

• Product Type: Circuit Breaker
• Series: THLC
• Amperage: 300 A
• Poles: 3
• Voltage: 480V