Square D | PAF3612001680 | Circuit Breaker | 1200A | 3-Pole | 600V

Square D's PAF3612001680 circuit breaker provides rugged, dependable overcurrent protection for demanding electrical installations. With a 1200A rating across 3 poles and a 600V maximum, it’s engineered to shield heavy-duty panels from surges while delivering reliable performance during routine maintenance, retrofit projects, or replacement scenarios.

Key specifications

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V
• Part number: PAF3612001680

Why this model matters

Designed for compatibility with Square D distribution panels, this breaker helps maintain electrical protection continuity when upgrading or refreshing legacy gear. The 3-pole design offers coordinated protection across three live conductors, making it suitable for 3-phase systems common in industrial and large commercial settings. The high 1200A rating makes it a compelling choice for main or feeder protection in facilities with substantial load profiles.

Ideal applications

• Maintenance and service of existing Square D panels that require exact spec matching
• Retrofit projects where panel ratings and conductor configurations demand a precise replacement
• Replacement of worn or failing breakers in 3-phase 600V systems

Installation and compatibility tips

Before ordering, verify fit and ratings. The part number PAF3612001680 is your best reference for compatibility with your specific panel or disconnect enclosure. Confirm the following to ensure a seamless replacement:

• Panel type and model, and whether it supports 3-pole, 600V protection
• Matching bus bar and lug configurations
• Electrical service conditions align with the 1200A current rating

Performance and safety

With robust construction typical of Square D products, this circuit breaker delivers consistent trip performance and dependable interruption of fault currents. Proper handling, installation by a qualified electrician, and adherence to local electrical codes ensure safe operation and longevity.

Practical tips for longevity

• Store unused breakers in original packaging and keep them dry and clean until installation
• Maintain panel labeling and ensure a clear access path for safe service
• Periodic inspection of connections and enclosure integrity helps prevent nuisance trips