Square D | PHF1626-1200A | Circuit Breaker | 1200A | 2-Pole | 600V

Designed for demanding electrical environments, the Square D PHF1626-1200A circuit breaker provides precise protection for high-current circuits in commercial and light industrial installations. With a 2-pole configuration and a 1200A rating at up to 600V, this unit is built to handle substantial load demands while safeguarding equipment and personnel. Use it for maintenance, retrofit, and replacement projects where exact specifications and reliability matter.

Key specifications

• Amperage: 1200A
• Poles: 2-Pole
• Voltage: 600V
• Part number: PHF1626-1200A

Why this model stands out

The PHF1626-1200A is a purpose-built Square D device designed to meet strict protection requirements in high-current applications. Its two-pole design delivers robust interruption capability for multi-conductor circuits while maintaining dependable performance in installation bays, switchgear, and panel boards that operate at up to 600V. By matching the exact part number, you ensure compatibility with existing Square D assemblies and maintain system coordination and protective signaling.

Ideal use cases

• Maintenance projects on 600V systems that require a precise 1200A, 2-pole protection device
• Retrofits or panel upgrades where current-carrying capability and form factor must align with existing Square D equipment
• Replacement of worn or failed breakers in high-demand enclosures without altering downstream protection coordination

Fit, compatibility, and installation tips

Before ordering, verify fit and ratings to ensure seamless replacement. The part number PHF1626-1200A serves as the most reliable reference for compatibility with your Square D panels and switchgear. When installing, follow standard electrical practices and local codes, and consult a licensed electrician to confirm proper circuit protection and termination torque as applicable to your conduit and lugs.

Practical guidance for lasting protection

Pair this breaker with panels and bus assemblies designed for high-current environments to maintain consistent protection with minimal nuisance trips. Keep a spare PHF1626-1200A on hand for scheduled maintenance windows to reduce downtime and preserve system uptime on critical circuits.