Square D FA14090A 14090A 1-Pole 277 V Circuit Breaker

Introducing the Square D FA14090A 14090A 1-Pole 277 V Circuit Breaker — a compact, reliable safety device crafted for 277-volt circuits in commercial and industrial environments. This part, FA14090A, is a single-pole circuit breaker that provides essential overcurrent protection, helping prevent damage and downtime in critical electrical systems.

Key specifications

• Model: FA14090A
• Current rating: 14090 A
• Pole: 1
• Voltage rating: 277 V
• Type: 1-Pole circuit breaker

Why this matters for your electrical system

In busy commercial settings, reliable overcurrent protection is essential to keep lighting, power distribution, and control circuits safe. The FA14090A is designed to integrate with Square D panelboards that accept FA-series breakers, delivering predictable performance and quick isolation of faults on 277 V circuits. By choosing a dedicated single-pole design, you can protect individual branches without affecting other circuits in the system.

Ideal applications

• 277 V lighting circuits in offices, retail spaces, schools, and warehouses
• Dedicated control and small-motor circuits operating at 277 V
• Branch-circuit protection in Square D FA-series compatible panels

Installation and compatibility

Designed for use in compatible Square D panels that accept FA-series breakers, the FA14090A installs as a direct replacement for the appropriate slots. Ensure your panel’s rating matches 277 V operation and that the circuit load stays within safe limits. For best results and safety, rely on a licensed electrician and follow local electrical codes during installation.

Practical considerations and tips

• Keep authentic FA-series parts on hand for quick maintenance and reduced downtime
• Clearly label the circuit protected by the FA14090A to simplify future servicing
• Verify compatibility with your specific Square D panel model before installation

Choose the Square D FA14090A 14090A 1-Pole 277 V Circuit Breaker for dependable, targeted protection of 277-volt circuits in commercial settings. Authentic, straightforward, and ready to safeguard your critical electrical infrastructure.