Square D | FA34090CBA | Circuit Breaker | 90A | 3-Pole | 480V

Square D FA34090CBA is a 90A, 3-pole circuit breaker designed for 480V three-phase electrical systems. This genuine Square D component is ideal for maintenance, retrofit, and replacement projects where exact compatibility matters, ensuring reliable protection for your industrial power distribution.

• Amperage: 90A
• Poles: 3-Pole
• Voltage: 480V
• Part number: FA34090CBA

Compatibility and fit: Before ordering, confirm fit and ratings to avoid compatibility issues. The FA34090CBA part number is the best reference for matching Square D panels, bus assemblies, and related equipment. Using the exact part helps maintain panel labeling, protective coordination, and overall system reliability.

Ideal use cases:

• Replacement in 480V three-phase distribution panels where a 90A, 3-pole device is specified
• Retrofit projects converting or upgrading to 480V service while preserving existing Square D infrastructure
• Preventive maintenance and scheduled replacements in industrial control panels

Why choose this FA34090CBA breaker: As a genuine Square D component, it’s engineered to align with your existing equipment, reducing compatibility risk and ensuring consistent protection for critical loads. Its three-pole configuration is well-suited for balanced three-phase systems, helping maintain stable voltage and current distribution across your machinery and processes.

Installation and practical considerations: Hire a qualified electrician or technician to verify panel compatibility, secure proper mounting, and verify ratings before energizing. Always follow local electrical codes and manufacturer guidelines when performing replacements or retrofits. Keep spares of the FA34090CBA on hand for downtime-sensitive environments to minimize disruption during maintenance or upgrades.

Real-world value: If you’re maintaining or expanding a facility’s electrical distribution, this specific 90A, 3-pole, 480V breaker provides a precise, drop-in solution that aligns with Square D systems. Clear part-level accuracy reduces guesswork, speeds up procurement, and supports long-term reliability for your industrial operations.