Square D | FAL360901021 | Circuit Breaker | 90A | 3-Pole | 600V

Engineered by Square D, the FAL360901021 Circuit Breaker delivers dependable protection for demanding three‑phase electrical systems. With a 90 A rating, a 3‑pole configuration, and a 600 V operating range, this breaker is built to handle the rigors of industrial and commercial environments where reliable outage protection matters.

Designed for maintenance, retrofit, and replacement projects, this unit is ready to slot into compatible Square D panels where exact specifications matter. The part number FAL360901021 is the clearest reference for compatibility, helping you confirm the right fit before you order.

Key specifications

• Amperage: 90 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Part number: FAL360901021

Why this model stands out

• Genuine Square D reliability designed for continuous operation in high-demand installations.
• Precise fit for 3‑pole, 600 V circuits, making it ideal for upgrading or replacing aging protection in commercial and industrial panels.
• Clear compatibility reference: the part number is your best guide to ensure a seamless retrofit or replacement.
• Versatile for a range of applications—from service entrances to distribution panels—where robust three‑phase protection is required.

Ideal use cases

• Maintenance or retrofit projects in industrial facilities upgrading to modern protection without changing existing panel infrastructure.
• Replacement of legacy breakers in three‑phase 600 V distribution systems to restore reliable circuit protection.
• New installations in systems that require a 90 A, 3‑pole, 600 V protective device to safely manage peak loads.

Fit, safety, and installation tips

Before ordering, verify that the panel and bus arrangement support a 3‑pole 90 A breaker at 600 V. Use the exact part number FAL360901021 as the primary compatibility reference to avoid mismatches during replacement or retrofit projects. For installation, follow standard electrical wiring practices and ensure the main disconnect and panel ratings align with the 90 A, 600 V specification to maintain proper protection levels.

If you’re looking to secure reliable, field‑proven protection for your three‑phase circuits, this Square D FAL360901021 breaker offers a precise fit, robust performance, and the compatibility clarity you need for a smooth upgrade or replacement. Add it to your toolkit to keep critical electrical systems protected and running smoothly.