Square D | LC36300 | Circuit Breaker | 300A | 3-Pole | 600V

The Square D LC36300 Circuit Breaker delivers reliable protection for demanding electrical systems with a precise 300-amp, three-pole design rated up to 600V. Built to meet the exacting needs of maintenance, retrofit, and replacement projects, this breaker is the right choice when compatibility and performance matter as much as safety.

Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage rating: 600V
• Reference: Part number LC36300
• Best practice: Confirm fit and ratings before ordering

What makes this LC36300 unique

• OEM compatibility — A genuine Square D part designed to align with the exact specifications of compatible panels and switchgear, minimizing guesswork during replacements.
• Three-phase protection — The 3-pole configuration provides balanced protection for three-phase circuits, a common requirement in industrial and commercial installations.
• 600V readiness — Engineered for 600-volt systems, making it suitable for a wide range of power distribution scenarios where high voltage handling is essential.
• Clear compatibility reference — The LC36300 part number is the most reliable identifier when matching breakers to existing equipment, reducing the risk of mismatches.

Ideal use scenarios

Use the LC36300 for maintenance, retrofit, and replacement tasks in commercial and industrial environments that rely on three-phase, 600V circuits. It’s a practical choice when upgrading or restoring protection in panels, switchboards, or feeders that require a robust 300A, 3-pole solution. If your current setup specifies LC36300 or you’re updating legacy gear, this breaker provides a dependable path to restored performance.

Important compatibility notes

Always confirm fit and ratings before ordering. The part number LC36300 serves as the best reference for compatibility, ensuring you choose a breaker that aligns with your panel’s bus configuration and mounting style.

Enhance continuity and safety in your power distribution with the Square D LC36300 circuit breaker—a purpose-built, high-capacity solution for 3-phase 600V systems.