Square D | FC24040AB | Circuit Breaker | 2-Pole | 480V

Overview

Meet the Square D FC24040AB—an authentic 2-pole circuit breaker designed for 480V systems. This unit is ideal for maintenance, retrofit, or replacement projects where precise compatibility and reliable protection are essential. Built to meet the needs of industrial and commercial electrical setups, it delivers dependable performance when you need it most.

Why this FC24040AB stands out

• Authentic Square D part ensures exact fit, consistent electrical characteristics, and dependable operation with compatible panels and enclosures.
• Two-pole design provides simultaneous disconnection of both live conductors, enhancing safety and helping meet protection requirements for 480V circuits.
• Clear compatibility reference the FC24040AB model number is the most reliable reference for matching your panel and ratings before ordering.
• Efficient replacement minimizes downtime by offering a like-for-like solution for service panel maintenance and upgrades.

Ideal use cases

Designed for environments where 480V distribution is standard, this breaker is perfect for:

• Replacing a failed or outdated 2-pole 480V breaker in existing panels
• Retrofits that require OEM-compatible protection without altering panel architecture
• New installations that demand a trusted, field-proven protection device with precise compatibility

Fit, compatibility, and practical tips

Before purchasing, verify that the fit and ratings match your specific panel requirements. Use FC24040AB as the primary reference to ensure an exact match. When installing, follow standard electrical safety protocols: power down the system, confirm voltage class alignment, and ensure the interruption characteristics align with your circuit’s protection needs.

Why choose Square D for 480V protection

• Long-standing reliability in electrical protection for critical applications
• Consistent, predictable performance for 480V circuits
• Part-number accuracy reduces replacement errors and downtime

Protect your 480V infrastructure with the Square D FC24040AB 2-pole circuit breaker—engineered for reliability, compatibility, and peace of mind in demanding environments.