Square D | FAL340451380 | Circuit Breaker | 45A | 3-Pole | 480V | 18kA

Square D FAL340451380 circuit breaker is a purpose-built solution for demanding three-phase power distribution. Designed to protect industrial electrical equipment while withstanding the rigors of commercial environments, this 45A, 3-pole unit delivers reliable protection in a compact, field-installable package. With an 18kA short-circuit rating at 480V, it’s engineered to safely interrupt powerful fault currents and keep downstream components safe. What makes this breaker unique - High interrupting capacity: 18kA at 480V means can handle substantial fault currents without compromising protection or safety. - Three-pole configuration: optimizes protection for 3-phase systems, simplifying wiring and improving coordination in motor drives and industrial equipment. - Industry-standard compatibility: part number FAL340451380 is the most reliable reference for matching your panel, retrofit, or replacement project. Key specifications at a glance - Amperage: 45A - Poles: 3-Pole - Voltage rating: 480V - Short-circuit rating: 18kA - Part number: FAL340451380 Ideal use cases and scenarios - Retrofit and replacement: when upgrading or restoring three-phase power in industrial panels, manufacturing lines, or motor control centers. - Maintenance-ready protection: a dependable choice for ongoing system protection in facilities with 480V three-phase distribution. - New installations in commercial environments: suitable for applications that require robust overcurrent protection for motors, compressors, and heavy machinery. Why it matters for your operation - Precise protection for critical loads: matching the exact amperage and triple-pole arrangement ensures coordinated shutoff during faults, reducing downtime and equipment damage. - Trusted reliability: Square D’s engineering lineage brings predictable performance, especially in environments where uptime matters. - Clear compatibility reference: since the part number is the best reference for compatibility, you can verify fit quickly during procurement to minimize install delays. Installation and compatibility tips - Confirm fit and ratings before ordering: use the FAL340451380 part number as your primary compatibility reference. - Check your system’s three-phase configuration: ensure the 3-pole design aligns with the panel and bus arrangement in your electrical distribution. - Follow local electrical codes and best practices: engage a licensed electrician to handle mounting, wiring, and commissioning for safe operation. - Plan for future needs: if your load profile or fault current potential may grow, the 18kA rating provides a robust margin for protection. This Square D 45A, 3-Pole, 480V circuit breaker with an 18kA interrupting capacity is a purpose-driven choice for industrial and commercial power systems that demand dependable protection, straightforward replacement, and compatibility with established Square D panels and retrofit scenarios.