Square D | LH36300 | Circuit Breaker | 3-Pole

Meet the Square D LH36300 3-Pole Circuit Breaker, a purpose-built protective device engineered for maintenance, retrofit, and replacement projects where exact specifications matter. This 3-pole breaker delivers reliable, coordinated protection across three hot legs in compatible Square D panels, helping you keep electrical systems safe and up to code.

Key Benefits

• 3-Pole configuration provides simultaneous protection across three conductors, ideal for three-phase distributions and multi-pole feeder protection.
• Exact reference for compatibility part number LH36300 ensures you’re selecting the correct unit for the intended Square D panel or enclosure.
• Maintenance, retrofit, or replacement capability—designed to slot into existing installations where matching specs is essential.
• Quality you can trust from Square D, a recognized name in dependable electrical protection products.

Compatibility & Fit

The LH36300 is a dedicated Square D circuit breaker. Before purchasing, confirm fit and ratings against your panel’s documentation and labeling. The part number is the most reliable reference when coordinating with panel catalogs and replacement parts, reducing the risk of mismatches and downtime.

Ideal Use Cases

• Maintenance tasks that require a like-for-like replacement to maintain system protection characteristics.
• Retrofit projects where upgrading or replacing aging protection with a three-pole solution is needed.
• Replacement in commercial or industrial settings where three-phase protection is required across multiple circuits.

Installation & Safety Tips

• Power down the equipment and follow all local electrical codes and safety practices. Only qualified personnel should install or replace circuit breakers.
• Verify the panel rating, amperage, and trip characteristics match the application requirements before ordering the LH36300.
• Ensure proper seating and secure mounting within the enclosure to maintain reliable tripping and fault protection.
• Maintain documentation of the replacement part number (LH36300) for future maintenance and audits.

Why Choose the LH36300 for Your Square D System

Choosing the LH36300 means staying within the Square D ecosystem, which helps ensure compatible trip curves, mechanical fit, and reliable performance across your protection system. If you’re replacing a faulty 3-pole breaker or upgrading to a three-pole solution, this part provides a precise, straightforward path to restoring safe, compliant electrical protection without unnecessary guesswork.

Buying with Confidence

Remember to verify fit and ratings against your specific panel model and electrical requirements. The LH36300 is the best reference for compatibility, helping you minimize downtime and avoid mismatches. If you’re planning a retrofit, replacement, or maintenance project, this 3-Pole Square D circuit breaker is designed to meet demanding standards while integrating smoothly with your existing Square D components.