General Electric | THJK426350LL | Circuit Breaker | 350A | 2-Pole | 600V

The General Electric THJK426350LL circuit breaker is built for dependable overcurrent protection in demanding electrical setups. With a 350A rating, a 2-pole configuration, and a 600V maximum, this unit is designed to safely interrupt fault currents in industrial panels, feeders, and distribution systems where high-capacity protection is essential.

Whether you’re performing routine maintenance, retrofitting an aging panel, or replacing a failed breaker, this GE 350A, 2-Pole, 600V device delivers a precise fit when you need to match exact specifications. The part number THJK426350LL is the best reference for compatibility, and you should confirm fit and ratings before ordering to ensure seamless integration with your existing GE equipment.

Key specifications

• Amperage: 350A
• Poles: 2-Pole
• Voltage: 600V
• Part number: THJK426350LL

What makes this breaker worth choosing

• Designed for reliability in high-demand environments where equipment downtime is costly, helping protect motors, transformers, and other critical loads.
• Specifically suited for maintenance, retrofit, and replacement projects that require exact GE specifications to maintain panel compatibility and electrical safety.
• Using the correct part number (THJK426350LL) minimizes guesswork and streamlines procurement, installation, and ongoing service.

Who it's ideal for

• Facility managers overseeing industrial plants and manufacturing floors requiring robust 350A protection.
• Electrical contractors performing panel retrofits or replacements in GE-compatible systems.
• Maintenance teams that prioritize exact part matching to avoid compatibility issues and ensure quick serviceability.

Practical guidance for use

• Before ordering, verify that your panel or disconnect accepts a 2-Pole, 600V GE breaker of the THJK family and that 350A is appropriate for the protected circuit.
• Keep a record of the part number THJK426350LL for future replacements or recalls, ensuring ongoing compatibility with your GE electrical infrastructure.
• Follow standard safety practices and use a qualified electrician to perform installation, testing, and commissioning after replacement.

Invest in the General Electric THJK426350LL circuit breaker to maintain strong, compliant protection for your high-current circuits. Its exact specifications and GE lineage help you achieve reliable performance with confidence, reducing risk and downtime across your electrical distribution system.