Square D | FA360801021 | Circuit Breaker | 3-Pole

Square D FA360801021 3-Pole Circuit Breaker is a precise, three-pole protection device designed for maintenance, retrofit, and replacement in compatible Square D panels. When you need dependable disconnect and overcurrent protection for a 3-phase distribution setup, this part-number-specific breaker delivers exact fit and predictable performance.

• Direct-fit 3-Pole design—fits 3-phase panel configurations, offering reliable protection across all three conductors.
• Part-number accuracy—the FA360801021 is the best reference for compatibility, helping you avoid mismatched replacements.
• Maintenance readiness—keep a spare on hand to minimize downtime and keep critical systems online during service windows.
• Retrofit and replacement—swap in where specifications align to preserve protection schemes and panel wiring layouts without reconfiguring the bus or enclosure.
• Trusted performance—designed to mirror the original electrical behavior, ensuring consistent trip characteristics and system protection.
• Important note—confirm fit and ratings before ordering; the part number FA360801021 is your best reference for compatibility.

Ideal use cases

• Commercial or light industrial 3-phase panels needing a reliable replacement breaker with exact dimensional and mounting compatibility.
• Retrofits where a 3-pole device is required to maintain balanced protection across all phases.
• Maintenance projects that rely on quickly verifiable part numbers to minimize downtime and ensure correct protection schemes.

How to verify compatibility

• Cross-check the exact part number: FA360801021 against your panel documentation.
• Check your panel’s rated voltage and current range to ensure the 3-pole device aligns with operating requirements.
• Confirm the bus configuration and mounting style match your existing Square D installation.

With the FA360801021, you gain a dependable, field-proven solution for maintaining safe and efficient 3-phase electrical systems. By prioritizing the exact part number and a thoughtful retrofit approach, you’ll protect assets, reduce downtime, and keep your distribution network performing at its best.