Square D | NE361200LI | Circuit Breaker | 1200A | 3-Pole | 600V

Square D NE361200LI circuit breaker delivers dependable overcurrent protection for large, three-phase electrical installations. With a 1200A rating, three poles, and a 600V maximum, this breaker is engineered for main protection in industrial panels, data centers, and heavy equipment control rooms where reliability matters most.

Whether you're performing maintenance, retrofitting an aging panel, or replacing a failed unit, this NE-series breaker is designed to slot into systems that call out the NE361200LI specification. Before you order, confirm compatibility using the exact part number NE361200LI—the most reliable reference for fit and ratings.

Key specifications

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V
• Reference: Part number NE361200LI for compatibility

What makes it unique

• High-capacity protection for demanding systems: The 1200A rating delivers robust protection for large feeders and main breakers in three-phase networks.
• Three-pole design ensures balanced protection across all phases, reducing the risk of phase imbalance and equipment damage.
• NE-series compatibility within Square D installations, with a clear, official part number reference to simplify retrofit projects.
• Durable construction designed for panel retrofit and long service life in busy electrical rooms.

Ideal use cases

• Replacing worn or failed breakers in 600V three-phase panels that require NE-series parts.
• Retrofit projects where upgrading to a higher-capacity main or feeder protection is needed.
• Industrial applications with heavy motor loads, large HVAC systems, or data-center infrastructure demanding reliable 3-phase protection.

Installation and compatibility tips

• Always verify fit and ratings against your panel documentation; the NE361200LI part number is the best reference for compatibility.
• Confirm that your panel is designed to accept NE-series breakers and that the bus stabs, mounting, and enclosure accommodate a 3-pole, 1200A device.
• Follow manufacturer torque specs and safety procedures during installation to ensure secure connections and proper tripping operation.

Frequently asked questions

Q: What does NE361200LI protect?
A: It provides overcurrent protection for three-phase circuits up to 600V, suitable for main protection or large feeders in industrial environments.

Q: Can I use this breaker in retrofit projects?
A: Yes. It is designed for maintenance, retrofit, and replacement where the NE361200LI specification is required. Always confirm panel compatibility first.

Q: How do I ensure I’m ordering the right part?
A: Use the exact part number NE361200LI as your primary compatibility reference, and cross-check against your panel's listing and the manufacturer's guidance.