Square D | FAL360451021 | Circuit Breaker | 45A | 3-Pole | 600V

Introducing the Square D FAL360451021 circuit breaker — a dependable protection device crafted for three-phase electrical systems. With a 45A rating, 3-pole configuration, and a 600V maximum, this breaker is built to stand up to demanding industrial and commercial environments while maintaining precise, reliable shutdowns when protection is needed.

• Amperage: 45A
• Poles: 3-Pole
• Voltage: 600V

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this unit plugs into compatible Square D panels to preserve circuit integrity and safety. The part number FAL360451021 is your best reference for compatibility, helping you avoid misfits and unexpected downtime.

Why this model stands out

Genuine Square D engineering means dependable performance, consistent trip characteristics, and durable construction tailored for industrial use. By sticking to the precise 3-pole, 600V configuration, you minimize panel modifications and ensure a straightforward, drop-in installation process—so your critical systems stay online with minimal disruption.

Who should consider this breaker

• Electricians performing panel maintenance or retrofits in commercial and industrial facilities
• Facilities managers upgrading or replacing aging protection devices
• Technicians coordinating spare parts with compatible Square D enclosures

Practical usage tips

• Always confirm fit and ratings before ordering to ensure seamless compatibility with your panel model.
• Use the part number FAL360451021 as the primary reference when cross-checking against your diagrams or catalog.
• Keep a small cross-reference kit on hand that maps your panel’s catalog number to compatible Square D breakers to streamline future replacements.