Square D FAL36045 - 45 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Square D FAL36045 is a 45A, 600V, 3-Pole molded case circuit breaker built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed for compact installs and consistent performance, this breaker helps you protect both people and equipment without wasting space in crowded electrical panels.

• Space-efficient molded case design minimizes panel footprint while preserving easy access to wiring and quick trips when needed.
• Thermal-magnetic trip unit provides stable, repeatable protection across a range of loads and ambient conditions, reducing nuisance trips and improving fault clarity.
• 3-pole configuration for 3-phase systems delivers balanced protection across all phases in 600V networks, preventing phase-to-phase faults from compromising the entire circuit.
• OEM-compatible integration engineered to match matching Square D loadcenters and panelboards, ensuring reliable fit, correct mounting, and coordinated trip characteristics.
• Versatile application footprint suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Applications and use cases

Ideal for panelboards and load centers in spaces that rely on 600V, 3-phase distribution. Use the FAL36045 to protect feeders and branch circuits feeding HVAC equipment, pumps, conveyors, lighting, and control gear in commercial or light industrial settings. Its 45A rating makes it a precise choice for circuits that require firm protection without unnecessary tripping during startup transients.

Specifications at a glance

• Manufacturer: Square D
• Part number: FAL36045
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 45A
• Voltage rating: 600V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards/load centers

Choosing the Square D FAL36045 means prioritizing reliable, coordinated protection in a compact package. It provides precise trip behavior for critical loads, supports streamlined panel design, and integrates smoothly with existing Square D installations for a straightforward upgrade path or system expansion. Whether you're stocking parts for service work or outfitting a new electrical room, this 3-pole 45A breaker is built to perform when it matters most.