Square D | NE36900LIG | Circuit Breaker | 900A | 3-Pole | 600V

Meet the Square D NE36900LIG Circuit Breaker—a robust 900A, 3-Pole, 600V protection solution engineered for demanding electrical systems. Designed for maintenance, retrofit, and replacement projects, this breaker delivers reliable overcurrent protection where exact specifications matter most.

Key Specifications

• Amperage: 900A
• Poles: 3-Pole
• Voltage: 600V
• Manufacturer: Square D
• Part Number: NE36900LIG

Why this breaker stands out

• High-capacity protection designed for three‑phase 600V power distribution systems found in industrial environments.
• Specifically suited for retrofit and replacement work when your existing panel or cabinet expects NE36900LIG‑level specifications.
• Durable, swap-in compatibility behind the main disconnects where a precise amperage, pole count, and voltage are required.

Fit, Compatibility & Installation

Fit is critical for safe and reliable operation. Before you order, confirm that your equipment and panel labeling match the NE36900LIG specifications. The part number is the best reference for compatibility, so cross-check it against your panel’s listed breakers. When installing, ensure connections and mounting align with your enclosure’s design and follow all safety guidelines for industrial electrical components.

Use Cases & Ideal Applications

• Replacement in existing Square D panels that utilize 3‑pole, 600V protection for three-phase loads.
• Maintenance upgrades in industrial facilities where high-current protection is required for large motors, equipment banks, or feeders.
• Retrofit projects where matching amperage and voltage ratings prevent system mismatches and ensure continued reliability.

Practical tips for best results

• Double-check panel labeling and documentation to ensure NE36900LIG is the correct fit before purchasing.
• Store replacement breakers in a clean, dry environment to preserve terminal integrity and ensure smooth field installation.
• During installation, verify secure termination and proper torque per your panel manufacturer’s guidelines to maintain reliable electrical connections.