General Electric | THLC436300 | Circuit Breaker | 300A | 3-Pole | 600V | 200kA | Bolt-On

Meet the General Electric THLC436300 Circuit Breaker—an OEM-grade protection solution designed for 600V systems with a robust 300A rating and a 200kA interrupting capacity. This bolt-on, three-pole unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications are essential.

Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 600V
• Interrupting rating: 200kA
• Mounting: Bolt-On
• Part reference: THLC436300

Why choose the GE THLC436300 for your panel

• OEM-grade reliability: Designed to harmonize with GE distribution gear, delivering predictable protection under fault and surge conditions.
• Secure, durable mounting: Bolt-On installation provides a solid, vibration-resistant fit within compatible 3-pole, 600V switchgear and panels, reducing maintenance downtime.
• High interrupting capacity: With a 200kA rating, this breaker handles high fault currents typical in industrial environments, helping protect downstream equipment and wiring.
• Exact fit for retrofits and replacements: The THLC436300 is ideal when you need parity with existing GE equipment or a direct replacement in a legacy system, minimizing panel modifications.

Ideal use cases and applications

Perfect for upgrades or maintenance on mid-to-large scale electrical systems running at 600V, including manufacturing lines, data centers, and commercial/industrial power distribution panels. Use it in retrofit projects where a 300A, 3-pole, bolt-on breaker is required to match your existing protection scheme and interface with current GE gear.

Compatibility and installation notes

Important: Confirm fit and ratings before ordering. Part number is the best reference for compatibility. The THLC436300 should be paired with panels and bus assemblies specified by GE for bolt-on 3-pole, 600V protection. When in doubt, cross-check the panel catalog or data plate to ensure it matches the THLC436300 form factor and electrical characteristics.

Whether refurbishing an older installation or equipping a new GE-based distribution solution, the THLC436300 delivers dependable protection where it matters most—keeping critical loads safe and downtime minimal.