Square D | FIL26040 | Circuit Breaker | 40A | 600V

Introducing the Square D FIL26040 Circuit Breaker — a precise, ready-to-install protection device designed for demanding electrical systems. With a 40-amp rating and a 600-volt maximum, this unit is engineered for reliability in maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 40 A
• Voltage rating: 600 V
• Part number: FIL26040
• Ideal for: maintenance, retrofit, and replacement in compatible Square D panels

Why choose the FIL26040 for your panel?

• Exact compatibility is driven by the part number — FIL26040 is the definitive reference for identifying a match in both legacy and updated Square D systems.
• Designed to slot into panels and bus configurations that require a 40A, 600V protective device, helping minimize downtime and ensure safe, reliable operation.
• Powered by Square D’s trusted engineering and build quality, this breaker supports long-term protection and predictable performance in everyday and demanding applications.

Use cases and scenarios

• Replacing a failed 40A/600V circuit breaker in a compatible Square D panelboard or distribution setup.
• Retrofit projects where a system update must maintain the exact amperage and voltage protection profile.
• Regular maintenance cycles requiring a dependable, field-verified part number to ensure accurate ordering and installation.

Practical guidance

Before ordering, double-check your equipment’s fit and ratings. The FIL26040 part number is your best reference for compatibility, so confirm it matches your panel’s design and electrical specifications.