Square D | PAF1636G-900A | Circuit Breaker | 900A | 3-Pole | 600V

Meet the Square D PAF1636G-900A, a rugged 900A circuit breaker built for demanding industrial environments. This 3-pole unit is designed to shield your three‑phase electrical distribution at 600V, delivering reliable fault interruption to protect motors, drives, and feeders from damaging short circuits.

• Amperage: 900A
• Poles: 3-Pole (3-phase)
• Voltage: 600V

Why this matters: with a high 900A rating, this breaker is suited for heavy‑duty service in manufacturing floors, data centers, and large commercial facilities where stable protection against overloads and faults is critical. It helps minimize downtime by quickly isolating faults and safeguarding expensive equipment.

Key use cases

• Maintenance: replaces worn or failing breakers in existing Square D panels that require a precise 900A, 3‑pole, 600V solution.
• Retrofit: upgrading panel capacity or upgrading to a higher current rating to meet growing load demands.
• Replacement: ensures compatibility with panels that reference the PAF1636G-900A part number for correct fit and ratings.

Compatibility and fit guidance — The part number is the most reliable reference when matching breakers to your Square D panel. Before ordering, verify that your equipment labeling and panel specifications align with 900A, 3‑pole, 600V ratings to ensure a seamless install.

Ideal for electrical professionals and facilities teams seeking a dependable, exact-fit replacement part for Square D distribution equipment. With the PAF1636G-900A in your inventory, you’ll have a ready solution for critical maintenance, strategic retrofits, and timely replacements—keeping systems running smoothly and safely.