Square D FAL14045 Circuit Breaker, 45A, 1-Pole, 277V

Meet the Square D FAL14045 Circuit Breaker — a 45A, 1-Pole device engineered for industrial electrical service, maintenance, and replacement projects. Part of the dependable FAL series, this breaker provides robust overcurrent protection for 277V circuits in demanding environments, helping keep your critical equipment up and running.

• Amperage: 45 A
• Poles: 1
• Voltage: 277V
• Series: FAL
• Part Number: FAL14045
• Manufacturer: Square D

Key compatibility note: verify fit by part number and application requirements. Use the exact part number to confirm it matches your panel or device specifications. If you’re unsure about compatibility, our team can help confirm the right part for your application.

Why this breaker stands out

In industrial settings, reliable protection matters. The FAL14045 is designed to guard 277V circuits from overloads and short circuits, minimizing downtime and protecting connected equipment. Its one-pole configuration makes it a straightforward, space-efficient choice for single-circuit protection in panels that rely on 277V distribution.

Ideal use scenarios

Recommended for industrial service panels, maintenance shutdowns, and replacement projects where a 277V, 45A, single-pole protection device is needed. It’s a practical option for facilities updating legacy gear or stocking spare breakers to reduce repair time on critical lines.

How it compares to alternatives

Compared to generic substitutes, the FAL14045 is integrated with the Square D FAL series ecosystem, offering intended compatibility with panels and enclosures designed for this family of breakers. This alignment helps streamline installation, reduce fit issues, and improve long-term reliability in demanding industrial environments.

Practical tips for use

Before installation, double-check that your application requires 277V and that a 45A, 1-Pole configuration matches the circuit you’re protecting. Keep the exact part number handy during ordering to prevent mismatches, and reach out for assistance confirming compatibility if your setup involves older equipment or mixed-series panels.

Need help confirming compatibility or selecting the right part for your system? Message us and we’ll assist in verifying fit and guiding you to the proper solution for your application.