Square D | FHL360451027 | Circuit Breaker | 45A | 3-Pole | 600V

The Square D circuit breaker you need for reliable protection in 3-phase systems is here in the exact FHL360451027 configuration. With a 45A rating, 3-Pole design, and a 600V maximum, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 45A
• Poles: 3-Pole
• Voltage rating: 600V
• Applications: ideal for maintenance, retrofit, and replacement in compatible Square D panels and systems

Why this specific part stands out: selecting the FHL360451027 ensures you’re aligning with Square D’s design standards, mounting interfaces, and electrical characteristics. Using the exact part number minimizes compatibility risk when upgrading or repairing panels and MCCs, helping you avoid non-matching footprints or improper trip behavior.

Ideal use cases

• Routine maintenance where a precise 45A, 3-pole, 600V breaker is required to protect three-phase circuits
• Retrofit projects to upgrade or replace aging protection devices without altering existing panel configurations
• Spare-part inventory for facilities relying on Square D equipment, ensuring fast, drop-in replacements

Compatibility and installation notes

• Always confirm fit and ratings before ordering—the part number is the best reference for compatibility with your panel or MCC
• Designed to integrate with Square D panels and associated accessories that share the same electrical footprint
• Follow standard electrical safety procedures and consult a licensed electrician for installation to ensure correct mounting and electrical connections

In short, the FHL360451027 is a purpose-built, OEM-compatible solution that reduces downtime and ensures dependable protection for your 3-phase, 600V circuits. If you’re replacing a worn breaker or upgrading your protection scheme, this 3-pole, 600V unit delivers the precise specs you need with confidence.