Square D FA14090C 90A 1-Pole 277 V Circuit Breaker

Meet the Square D FA14090C 90A 1-Pole 277V Circuit Breaker—the precise, reliable protection your 277-volt branch circuits rely on. Built for commercial electrical environments, this FA14090C model delivers targeted overcurrent protection where it matters most, in a compact, single-pole package.

• Key specifications: Part Number FA14090C • 90 A • 1-Pole • 277 V
• Single-pole protection for 277V systems: Safeguards a single hot conductor and its connected loads, making it ideal for lighting runs and other 277V circuits in commercial setups.
• Durable, service-friendly design: Engineered for straightforward replacement in existing Square D installations, helping maintenance teams minimize downtime.
• Protects wiring and equipment: A fast, dependable interrupt mechanism helps prevent damage from overloads, preserving the integrity of panels, outlets, and devices upstream.

Ideal use cases: retrofit or new installations in offices, retail spaces, schools, and other facilities where 277V single-pole protection is required. The 90A rating supports medium-load circuits that demand robust protection without unnecessary nuisance trips, keeping critical lighting and connected equipment operating safely.

Why choose this model: If your system calls for a 1-pole, 277V breaker from Square D, the FA14090C directly addresses that need with a proven design tailored to commercial electrical panels. Its specs translate into practical benefits—consistent protection, straightforward installation in compatible panels, and reliable performance over time.

Installation and safety notes: Ensure compatibility with your Square D panel and confirm that a 277V, single-pole configuration is appropriate for the circuit you’re protecting. Install in accordance with local electrical codes and manufacturer guidelines, and rely on a licensed electrician for any replacement or installation tasks.