Square D FAL32040 - 40 A, 3-Pole Circuit Breaker | AmpState

Meet the Square D FAL32040 — a reliable 40A, 3-pole molded case circuit breaker designed to protect your electrical system where it matters most. Built for branch circuits in panelboards and load centers, this device delivers dependable overcurrent and short-circuit protection with precision you can count on.

Why this breaker stands out

• Space-efficient design: The compact molded case profile makes the most of panel space, simplifying installation in tighter electrical enclosures.
• Thermal-magnetic protection: A combined thermal and magnetic trip unit delivers stable, repeatable protection—steady overload response and instantaneous short‑circuit trip when needed.
• Seamless OEM compatibility: Designed to pair with matching Square D OEM load centers and panelboards, ensuring reliable fit, predictable performance, and straightforward replacement.
• Versatile for multiple environments: Suitable for residential, commercial, and light industrial applications, making it a practical choice for a wide range of panel configurations.

Technical essentials

• Manufacturer: Square D
• Part number: FAL32040
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 40 A
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the FAL32040 in panelboards and load centers to safeguard three-hot-leg circuits in residential, commercial, and light industrial settings. It’s especially effective for mid-range branch protections where space and reliability are critical — think main distribution panels in small offices, multi-unit dwellings, retail spaces, or service equipment in light industrial facilities.

Practical guidance to maximize performance

• Verify compatibility with your panelboard’s OEM specification to ensure a clean fit and predictable tripping behavior.
• Match the 40 A rating to the specific branch circuit load to minimize nuisance trips while maintaining safety margins.
• When replacing an existing breaker, choose the same or equivalent trip characteristics to preserve protective coordination with downstream devices.
• Install and commission in accordance with local electrical codes and the panelboard manufacturer’s guidelines.

Choosing the Square D FAL32040 means investing in dependable protection that respects panel space, delivers precise trip performance, and aligns with compatible load centers for a cohesive electrical protection strategy.