Square D | PAF1636 | Circuit Breaker | 1600A | 3-Pole | 600V

Square D PAF1636 Circuit Breaker delivers dependable, high-current protection for demanding three-phase power systems. Designed for industrial and commercial applications, this 3-pole unit is rated to handle up to 1600 A at a voltage of 600 V, offering robust safeguarding for large distribution panels and switchgear.

Built for maintenance, retrofit, and replacement projects where exact specifications matter, the PAF1636 provides a precise fit with Square D’s trusted engineering and reliability. When you’re upgrading or refreshing a panel, matching the part number is the fastest way to ensure compatibility and minimize downtime.

Key specifications

• Amperage: 1600 A
• Poles: 3-Pole
• Voltage: 600 V

Ideal applications and use cases

• Main protection for large industrial and commercial power distribution boards
• Retrofits where existing equipment requires a precise 3-pole, 600 V, 1600 A protection device
• Replacement in compatible Square D panels to restore full protective capability

Why this model stands out

• Exact compatibility reference: The part number PAF1636 is the best indicator for matching this breaker to your panel or enclosure.
• Reliable Square D performance: Backed by a long-standing lineage of electrical protection products trusted in harsh industrial environments.
• Efficient upgrades: For facilities with high-current three-phase systems, this breaker supports straightforward retrofits and replacements without overhauling your distribution architecture.

Compatibility and buying tips

Notes to ensure a smooth purchase: before ordering, confirm that the panel or enclosure you’re servicing is rated for 600 V and that the overall system current aligns with a 1600 A main protection device. The PAF1636 part number should be your primary reference when verifying fit and ratings, reducing the risk of mismatches and installation delays.

If you’re planning an upgrade or replacement in a high-demand setting—manufacturing floors, data centers with heavy three-phase loads, or large commercial facilities—this Square D breaker offers the reliability and capacity you need to keep critical systems protected and performing at their best.