Square D | NEP361000LI | Circuit Breaker | 1000A | 3-Pole | 600V

Meet the squarely capable Square D NEP361000LI Circuit Breaker—built for serious electrical demand in industrial, commercial, and retrofit environments. This 1000A, 3-Pole device is engineered to protect large, three‑phase systems with precise interruption at 600V, helping you keep downtime to a minimum and safety to the forefront.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the NEP361000LI delivers a reliable, compatible solution when panel compatibility is non‑negotiable. In many installations, the part number is the fastest and most accurate reference for ensuring a perfect fit and correct ratings.

Key specifications at a glance

• Amperage: 1000A
• Poles: 3‑Pole
• Voltage: 600V
• Part reference: NEP361000LI

Why this breaker stands out

• High‑capacity protection: A 1000A rating makes it suitable for demanding feeders and large motor loads, providing robust protection where smaller breakers would be overwhelmed.
• Three‑phase reliability: The 3‑pole design ensures coordinated interruption across all phases, helping prevent unbalanced faults and protecting equipment from phase loss scenarios.
• Clear compatibility path: For installations that require exact spec matching, referencing the NEP361000LI part number minimizes guesswork and installation errors.

Ideal use cases

This breaker excels in facilities with heavy, three‑phase loads—think manufacturing lines, large HVAC systems, pumps and compressors, or power distribution panels where a single high‑current protection point is essential. It’s also a practical replacement option in legacy systems where precise, field‑proven compatibility matters for maintaining protective coordination and panel integrity.

Practical tips for installation and purchase

• Verify fit first: Always confirm the breaker’s fit and ratings against your panel schedule and manufacturer’s compatibility notes before ordering.
• Use the part number for ordering: The NEP361000LI reference is the most reliable identifier to ensure you get the exact device your system requires.
• Plan for high‑duty environments: In installations with frequent interruptions or high fault currents, ensure downstream protections and wiring are rated to support 1000A interruptions without overheating or nuisance tripping.

For professionals who demand dependable, high‑capacity protection for demanding three‑phase electrical systems, the Square D NEP361000LI delivers a focused, compatible solution. It helps you maintain safety, reliability, and uptime in critical power distribution tasks.