Square D | NE36800LIG | Circuit Breaker | 800A | 3-Pole | 600V

Meet the Square D NE36800LIG circuit breaker — a high-capacity, 3-pole protection device built for demanding 600V three-phase systems. Specifically designed for maintenance, retrofit, and replacement projects, this unit ensures you can match exact specs when you’re upgrading or repairing a panel without sacrificing reliability or safety.

Core specifications at a glance

• Amperage: 800A
• Poles: 3-Pole
• Voltage rating: 600V

Why this breaker stands out in a crowded field is its commitment to precise compatibility. The NE36800LIG is tailored for installations that require an exact match to existing Square D gear, reducing the guesswork during replacement or retrofit. With a 3-pole configuration, it delivers synchronized protection across all three phases, helping to stabilize voltage swings and safeguard costly equipment connected to high-current circuits.

Ideal use cases

• Replacing a failed 800A, 3-pole, 600V breaker in commercial or industrial panels to restore full protection with minimal downtime.
• Retrofit projects where upgrading to a robust 600V, three-phase protection scheme is needed without changing the entire electrical setup.
• Maintenance planning that prioritizes exact part matching to streamline ordering and installation, keeping systems running smoothly.

Compatibility and installation considerations — to ensure seamless integration, always confirm fit and ratings before ordering. The part number NE36800LIG serves as the best reference for compatibility with your existing Square D installation. This approach helps you avoid mismatches that can lead to downtime or protection gaps. For installation, rely on a licensed electrician who can verify panel compatibility, bus bar connections, and secure mounting for dependable operation.

What you can expect in practice

• Reliable interruption capabilities for high-current faults, preserving the integrity of downstream equipment and wiring.
• Consistent performance across maintenance cycles, reducing the risk of unexpected trips during peak load periods.
• Streamlined procurement and fewer surprises on delivery day when you reference the exact NE36800LIG part number.

Whether you’re maintaining an aging system, retrofitting to support new loads, or replacing a failed unit, the Square D NE36800LIG circuit breaker offers a precise, dependable solution for 600V three-phase applications. Its design centers on exact compatibility, robust protection, and straightforward integration—delivering peace of mind for electricians, facilities managers, and maintenance teams alike.