Square D | NXL361200 | Circuit Breaker | 1200A | 3-Pole | 600V

Meet the Square D NXL361200—a high-current, three-pole circuit breaker engineered for demanding 600V systems. Built for reliability in industrial environments, this unit delivers clear, decisive protection for your three-phase power distribution, making it a dependable choice for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V

Designed to fit within compatible Square D panels and enclosures, the NXL361200 provides robust overload and short-circuit protection for high-load equipment and processes. Its rugged construction is built to endure the daily stresses of industrial operation, helping keep critical systems online and reducing the risk of unexpected downtime.

Why choose the NXL361200 for your next project

This breaker is purpose-built for scenarios where you need reliable, heavy-duty current interruption in a 3-phase setup. It’s an excellent option for manufacturing lines, large commercial electrical rooms, and service upgrades where 1200A capacity is required. By safeguarding motors, drives, and other high-demand equipment, it minimizes wear on downstream components and helps maintain stable electrical performance.

Key considerations and usage scenarios

Ideal for installations that demand precise compatibility with existing Square D panels and NXL-series breakers. Use cases include panel retrofits, panel replacements, and system upgrades where the electrical load justifies a 1200A rating in a 600V three-phase configuration. When planning an upgrade, treat the part number NXL361200 as your primary reference to ensure correct fit and ratings.

Before placing an order, confirm fit and ratings to guarantee seamless integration with your enclosure and bus arrangement. The part number is the most reliable reference for compatibility, so cross-check with your panel label and documentation to avoid mismatches.

Practical guidance for installation and maintenance

Follow standard installation practices for high-current molded-case breakers within compatible Square D assemblies. Ensure secure mounting, proper engagement with the panel, and adherence to all electrical codes and manufacturer guidelines. Regular inspection of connections and periodic testing within your maintenance plan will help sustain dependable protection over time.

If you’re upgrading a system with existing NXL components, this 1200A, 3-pole, 600V unit provides a straightforward path to restoring protection levels for heavy electrical loads while preserving the integrity of your three-phase distribution network.