Schneider Electric FDA140401 40A 1-Pole 277 V Circuit Breaker

Power your 277-volt distribution with confidence using the Schneider Electric FDA140401 40A 1-Pole Circuit Breaker. Designed for commercial and industrial environments, this single-pole device delivers reliable overcurrent protection for 277 V circuits, helping keep lighting, power, and control systems safe and up to code.

Key details that matter

• Part number: FDA140401 — a precise Schneider Electric replacement designed for compatibility within the FDA family.
• Current rating: 40 A — sized for mid-range loads common in 277 V branch circuits, providing protection without undue nuisance trips.
• Poles: 1 — ideal for single-phase 277 V circuits in standard distribution panels.
• Voltage rating: 277 V — tailored to commercial lighting and other 277 V applications found in offices, retail spaces, and facilities.

Why this breaker stands out

As part of Schneider Electric’s FDA lineup, the FDA140401 is built to fit compatible panels and deliver consistent, dependable performance within standard electrical protection practices. It’s a straightforward, reliable replacement for existing FDA-series breakers, helping you maintain safe, compliant electrical systems with minimal downtime.

Ideal use cases

• Protect 277 V lighting circuits in offices, retail environments, schools, and healthcare facilities.
• Safeguard single-phase branch circuits powering 277 V control gear, sensors, or auxiliary equipment.
• Serve as a ready replacement part in Schneider Electric FDA panels, reducing maintenance time and inventory complexity.

Practical installation tips

• Verify panel compatibility within the FDA family before installation to ensure proper fit and operation.
• Match the 40 A rating to the circuit’s continuous load and fault-current requirements.
• After replacement, clearly label the circuit to aid future inspections and servicing.

With the FDA140401, you gain a purpose-built, single-pole protection solution tailored for 277 V circuits. It’s an intelligent choice for building managers, electrical contractors, and facility technicians seeking reliable, brand-aligned circuit protection in commercial environments.