Square D FDA140201 Circuit Breaker, 20A, 1-Pole, 277V

The Square D FDA140201 Circuit Breaker is a rugged, industrial-grade solution designed to protect sensitive electrical systems at 277V. With a 20-amp rating and a single pole, this breaker delivers precise overcurrent protection for individual circuits in demanding commercial and industrial environments. Built to withstand the rigors of service, maintenance, and replacement projects, it helps minimize downtime and equipment damage from electrical faults.

• Part a number you can trust: FDA140201 ensures you’re selecting the exact replacement or upgrade for compatible panels.
• Amperage and configuration: 20 A, 1-pole configuration for streamlined, space-efficient protection of dedicated circuits.
• Voltage compatibility: Rated for 277V applications, common in industrial and some commercial electrical distributions.
• Targeted use cases: Ideal for industrial service panels, maintenance outages, and replacement tasks where reliable circuit protection is essential.

Why choose this FDA140201 circuit breaker? It’s designed to fit systems that require precise 20-amp overcurrent protection on a single phase, while the 277V rating aligns with many commercial and industrial machinery and lighting circuits. Its straightforward, plug-in style supports quick swaps during maintenance windows, helping you shorten downtime and keep operations running smoothly.

Compatibility is key for reliable performance. Verify fit by part number and application requirements before ordering. If you’re unsure about whether FDA140201 matches your panel or circuit, send us a message—our team can help confirm compatibility and guide you to the right replacement.

Beyond basic specs, this breaker supports practical, real-world scenarios: replacing a failed 20A circuit in a warehouse lighting system, protecting a motor control circuit in an industrial line, or upgrading an aging panel to ensure consistent fault isolation. For best results, pair it with panels and enclosures that accommodate 1-pole, 277V protection, and always follow installer safety practices and local electrical codes.