Square D | FCP34090TF | Circuit Breaker | 90A | 3-Pole | 480V

Meet the Square D FCP34090TF circuit breaker—a precise 90-amp, 3-pole protection device engineered for 480V three-phase systems. Designed for maintenance, retrofit, and replacement projects, this unit ensures reliable interruption and continued safety in demanding electrical environments where exact specifications matter.

Key specifications

• Amperage: 90A
• Poles: 3-Pole
• Voltage: 480V
• Part number: FCP34090TF
• Best compatibility reference: the exact part number is your most reliable guide for fit and ratings

Why this matters for your system

This breaker is purpose-built for 480V three-phase circuits, providing dependable overcurrent protection for feeders, motors, and distribution panels. By matching the FCP34090TF part number, you simplify procurement and reduce the risk of compatibility gaps that can complicate replacements or retrofits. The 3-pole configuration ensures synchronized protection across all phases, which is essential for balanced load handling and preventing phase-to-phase faults in industrial environments.

Ideal use cases

• Equipment maintenance: promptly replace a worn or tripped breaker to restore full circuit protection.
• Retrofit projects: upgrade legacy panels that operate on 480V three-phase systems with a compatible 90A, 3-pole unit.
• Replacement needs: when the existing part number matches FCP34090TF, this breaker provides a direct, drop-in solution.

Fit, compatibility, and installation tips

Before ordering, confirm fit and ratings by referencing the exact part number. The FCP34090TF is the strongest signal for compatibility in systems requiring 90A, 3-pole, 480V protection. When installing, follow standard electrical safety practices and applicable codes, power down the panel, and ensure proper torque on terminals per manufacturer guidelines. If your panel label or documentation lists FCP34090TF as the required replacement, this unit is designed to integrate smoothly with minimal modification.