Square D | NAL361200 | Circuit Breaker | 1200A | 3-Pole | 600V | Feed-Through

The Square D NAL361200 circuit breaker is built for serious industrial power distribution, delivering reliable protection for high-demand systems. With a 1200A rating across 3 poles and a 600V maximum, this feed-through breaker is designed for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V
• Configuration: Feed-Through
• Compatibility note: Part number NAL361200 is the best reference for fit and ratings—confirm compatibility before ordering.

This breaker excels in scenarios where you need to upgrade or restore service without sacrificing reliability. Use cases include retrofitting aging switchgear, replacing failed units in high-current feeders, and expanding three-phase panels to accommodate increased load demands. The NAL361200 is a genuine Square D component, engineered to match the performance and physical characteristics of the original equipment in compatible panels, which reduces the risk of mismatch and inaccessible wiring.

Why choose this 3-pole, 1200A, 600V feed-through breaker over generic alternatives? It offers:

• Exact-fit compatibility: Designed to align with Square D panels and gear that require NAL361200 specifications, minimizing installation issues.
• High-current protection: Handles demanding industrial loads, keeping critical equipment and processes protected from overloads and faults.
• Efficient retrofitting: Feed-through design simplifies wiring paths and system expansion, reducing downtime during replacements or upgrades.

Practical guidelines to ensure a smooth purchase and install:

• Verify fit and ratings using the part number NAL361200 as the primary reference.
• Match the breaker’s amperage and pole configuration to your existing panel specifications and load calculations.
• Consult a qualified electrician to confirm panel compatibility and safe installation practices before proceeding.