Square D | FAB34090 | Circuit Breaker | 3-Pole | 480V | Bolt-On

Meet the Square D FAB34090 — a robust 3-pole circuit breaker designed for demanding industrial environments. This 480V bolt-on breaker is purpose-built for maintenance, retrofit, and replacement projects where matching specifications matters most. When your system calls for a reliable 3-pole, 480V protection device, the FAB34090 stands out as a precise fit built to preserve your panel’s original configuration.

• Pole configuration: 3-Pole
• Voltage rating: 480V
• Mounting: Bolt-On
• Part number: FAB34090

Why the FAB34090 stands out

• Brand credibility: Square D is a long-trusted name in electrical protection and control components, known for reliable performance in critical power systems.
• Bolt-on mounting: A secure, straightforward installation style that aligns with many industrial panels and switchgear configurations.
• Targeted for retrofit and replacement: Simplifies upgrading or renewing protection in existing systems without major reconfiguration.
• Clear compatibility reference: The FAB34090 part number is the best evidence of suitability—verify against your panel documentation for a precise match.

Ideal use cases

• Industrial control panels and equipment that require a 3-pole, 480V circuit interruption.
• Maintenance and replacement work in legacy installations where the original protection device used a bolt-on design.
• Panel upgrade projects where maintaining the same mounting footprint and electrical interface is important.

Compatibility and fit — practical guidance

Before ordering, confirm fit and ratings by referencing the FAB34090 part number against your panel’s documentation and the manufacturer’s compatibility notes. This approach helps ensure you’re selecting the correct 3-Pole, 480V bolt-on breaker that matches your panel’s configuration and safe operating requirements.

Note: Always rely on the exact part number (FAB34090) as your primary compatibility reference to avoid mismatches and ensure seamless replacement or retrofit work in your electrical system.