Square D | FC24020AB | Circuit Breaker | 20A | 2-Pole | 480V | Plug-In

The Square D FC24020AB circuit breaker delivers reliable overcurrent protection for demanding 480V electrical layouts. It’s a 20A, 2-pole, plug-in unit engineered for quick, drop-in replacement in compatible Square D panels, making maintenance, retrofit, and replacement projects faster and safer.

• Amperage: 20 A
• Poles: 2-Pole
• Voltage: 480 V
• Configuration: Plug-In
• Part reference: FC24020AB

What makes this FC24020AB stand out

• Designed for plug-in installations, it minimizes downtime by allowing quick swaps without rewiring.
• Two-pole protection suits 480V circuits commonly found in industrial and commercial power distribution, ensuring consistent performance across demanding loads.
• Exact compatibility is anchored by the part number FC24020AB, giving you a reliable reference point for fit and ratings in your existing Square D system.
• Built to integrate seamlessly with compatible Square D panels, reducing guesswork during retrofit or replacement projects.

Ideal use cases

• Maintenance and service work on 480V distribution panels that require a 20A, 2-pole plug-in breaker.
• Retrofits where you need an exact part match to keep electrical protection consistent with legacy equipment.
• Replacement steps in aging Square D installations to restore safe, code-compliant operation with minimal panel downtime.

Practical tips for shopping and installation

• Always confirm the fit and ratings before ordering—the FC24020AB is the definitive reference for compatibility in Square D systems.
• Use the part number as your primary cross-check when sourcing replacements, to ensure you’re obtaining the same electrical characteristics and footprint.
• Ensure your panel or bus assembly is rated for 480V and supports plug-in breakers of the same footprint and configuration.

When you need a dependable, industry-standard solution for 480V circuits, the Square D FC24020AB delivers precise protection with a straightforward plug-in design. It’s the practical choice for technicians handling maintenance, retrofits, and replacements in demanding electrical environments.