Square D | NAL261000 | Circuit Breaker | 1000A | 2-Pole | 600V

Square D NAL261000 Circuit Breaker delivers dependable high-current protection for demanding electrical installations. This 2-pole unit is rated at 1000 A and supports up to 600 V, making it well-suited for heavy-load panels, feeders, and distribution configurations where solid interruption performance matters.

Key specifications

• Amperage: 1000 A
• Poles: 2-Pole
• Voltage rating: 600 V
• Part number: NAL261000

Why this Square D breaker stands out

For maintenance, retrofit, or replacement projects, exact specification matching is essential. The NAL261000 is designed to integrate with Square D panels and switchgear that require a 2-pole, 600 V device with a 1000 A rating. The part number serves as the most reliable compatibility reference, helping you avoid mismatched dimensions, terminations, or fit issues in your distribution setup.

Ideal use cases

• Replacing a worn or failed high-current breaker in commercial or industrial panels
• Retrofits where a 1000 A, 2-pole, 600 V protection device is specified in the panel schedule
• Maintenance scenarios that require exact part-number compatibility to minimize downtime

How to ensure a proper fit

Before ordering, verify that your panel or switchgear requires a NAL261000 device with 2 poles and a 600 V rating. The part number is the best cross-reference for compatibility, ensuring proper connection Type and fit within the original enclosure.