Square D FA36100CBA 100A 3P 600V Circuit Breaker | AmpState

The Square D FA36100CBA is a genuine, three-pole 100A circuit breaker designed to protect panelboards, load centers, and electrical distribution networks. Rated at 600V, this OEM device delivers reliable, coordinated protection for three-phase circuits, helping to maintain system integrity and reduce downtime.

• Manufactured by Square D, the FA36100CBA matches the original equipment specifications, ensuring proper mounting, electrical characteristics, and trip performance.
• Ideal for projects that require sticking to the original part number, keeping documentation, spare parts inventories, and procurement workflows consistent.
• A dependable option for replacement projects or stocking as a ready spare to minimize service interruptions in critical electrical equipment.
• Wide compatibility with panelboards and distribution: Suitable for three-phase commercial or industrial distribution systems where a 600V, 100A rating and 3-pole configuration are appropriate.
• Support from AmpState: Available from AmpState, with expert help to confirm fit or match a part number if you’re unsure about compatibility—just message us and we’ll help verify.

Key specifications at a glance

• Amperage: 100 A
• Poles: 3
• Voltage rating: 600V
• Manufacturer: Square D
• Part number: FA36100CBA
• Product type: Circuit Breaker

Ideal use cases and practical scenarios

• Replacing a failed 3P, 100A breaker in a commercial or light industrial panelboard to restore protected circuits without changing the entire distribution scheme.
• Staging a BOM-consistent spare to ensure rapid restoration of service after a fault or routine maintenance in facilities that rely on Square D hardware.
• Upgrading or maintaining multi-phase feeders where a 3-pole device with a 600V rating aligns with upstream equipment and wiring practices.
• Stocking in maintenance inventories for data centers, manufacturing floors, or large office complexes that depend on reliable distribution protection.

Tips for compatibility and installation

• Verify panel labeling and the original part number to ensure an exact fit with your Square D distribution equipment.
• Keep a BOM-aligned spare on hand to reduce downtime during outages or scheduled maintenance.
• When in doubt about fit, use AmpState’s guidance—contact us to confirm compatibility with your specific panel model and bus type.
• Handle and install with standard safety practices for electrical work, ensuring the system is de-energized and properly grounded before replacement.