Square D | FA34090CBA1021 | Circuit Breaker | 90A | 3-Pole | 480V

Square D FA34090CBA1021 is a 90A, 3-Pole circuit breaker crafted for 480V three‑phase systems. Built for maintenance, retrofit, and replacement projects, this protective device helps keep industrial electrical infrastructure running smoothly by delivering dependable overcurrent protection where exact specifications matter.

Key specifications

• Amperage: 90 A
• Poles: 3-Pole
• Voltage: 480 V
• Part number: FA34090CBA1021

Ideal use cases

• Maintenance: quick replacement of a failing 3‑pole, 480V circuit breaker to restore service with minimal downtime.
• Retrofit: upgrade or align existing panels to the FA34090CBA1021 specifications for reliable three‑phase protection.
• Replacement: keep on hand as a ready spare for critical 480V, three‑phase circuits in industrial facilities.

Why this Square D breaker stands out

Exact compatibility matters in high‑demand environments. The FA34090CBA1021 uses Square D’s precise design and engineering to ensure fit, mounting alignment, and electrical ratings align with your panel and system. The part number is the most reliable reference when cross‑checking compatibility, so you can confidently source the right component for 480V, three‑phase service.

Practical considerations and tips

• Confirm fit and ratings before ordering: use the FA34090CBA1021 part number as the primary compatibility reference with your panel model and labeling.
• Application scope: suitable for industrial controls, manufacturing lines, and commercial power distribution where 480V three‑phase protection is required.
• Handling: follows standard electrical safety practices during replacement or installation; disconnect power and verify absence of voltage before work.
• Inventory planning: keep this 90A, 3‑pole breaker on hand as a dependable replacement for scheduled maintenance or unexpected outages.

Designed for professionals who demand precise specifications and dependable protection, the Square D FA34090CBA1021 provides straightforward, reliable circuit protection for 480V, three‑phase systems. Its clear compatibility reference helps you source with confidence, minimize downtime, and maintain optimal performance across your electrical infrastructure.