Square D | LE36450LI | Circuit Breaker | 450A | 3-Pole | 600V

Meet the Square D LE36450LI Circuit Breaker—a rugged, 450A, 3-pole unit rated for 600V that keeps industrial and commercial electrical systems protected under demanding conditions. Designed for maintenance, retrofit, and replacement tasks where exact matching specs matter, this breaker helps you restore reliable power flow with confidence.

Key specifications

• Amperage: 450A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: LE36450LI

Why this model stands out

The LE36450LI is purpose-built for scenarios where compatibility is non-negotiable. Its exact 450A, 3-pole, 600V specifications make it a precise match for existing panels and distribution boards that require this configuration. This isn’t about generic protection—it’s about restoring the intended protective profile of your system with a component that aligns with the original design intent.

What problems it solves

• Downtime reduction during maintenance or upgrades by delivering a direct-fit replacement that matches your panel’s rating and pole count.
• Safer, more predictable performance when upgrading legacy equipment to current protection standards.
• A reliable option for retrofit projects where preserving system protection levels and trip characteristics is critical.

Who it’s ideal for

• Industrial facilities and manufacturing plants performing routine maintenance or mid-life upgrades.
• Commercial sites with legacy electrical systems needing a precise, compatible replacement.
• Electrical contractors and installers seeking a verified part reference to minimize compatibility uncertainties.

Compatibility note: Confirm fit and ratings before ordering. The part number LE36450LI is the best reference for compatibility, ensuring you select the correct unit for your specific panel configuration.