Square D | NAL3612001021 | Circuit Breaker | 1200A | 3-Pole | 600V

Engineered for demanding electrical distribution, the Square D NAL3612001021 Circuit Breaker delivers dependable protection for high-current installations. With an amperage rating of 1200A, a 3-pole configuration, and a 600V rating, this unit is purpose-built for maintenance, retrofit, and replacement tasks where exact specifications matter, ensuring seamless compatibility with existing Square D panels and control systems.

Key specifications at a glance

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

Why this model stands out: it combines a high-current capacity with a three-phase design to interrupt all phases simultaneously, enhancing safety and reliability in industrial and commercial environments. As a proven Square D component, it supports consistent protection for feeders and main circuits within complex electrical distribution networks, helping prevent costly downtime from overloads and faults.

Ideal use cases

• Main feeder protection in large panels and industrial distribution boards
• Retrofits or replacements where existing equipment requires a 1200A, 3-pole, 600V solution
• Heavy-load applications in factories, manufacturing lines, data centers, and other facilities with high current demands

Compatibility and ordering guidance

Part number NAL3612001021 should be your primary reference when confirming fit. Before ordering, verify that the breaker’s ratings align with your panel specifications and that the part number matches the exact unit you need for a trouble-free retrofit or replacement.

Practical considerations for maintenance and long-term reliability

• Keep precise records of the exact model to streamline future service and part replacements
• Use this breaker in environments that require robust, high-current protection within 600V systems
• Consult panel labeling and manufacturer guidelines to ensure seamless integration with your existing electrical infrastructure