Square D | FDA240404 | Circuit Breaker | 40A | 2-Pole | 480V

Meet the Square D FDA240404 circuit breaker — a precise 40A, 2-pole protection device engineered for demanding 480V circuits. Built for maintenance, retrofit, and replacement projects, this unit helps you keep critical equipment online with dependable, code‑worthy protection.

• Current rating: 40 amperes
• Pole configuration: 2‑pole
• Nominal voltage: 480 volts

Why choose this FDA240404 specifically? The exact part number is your strongest compatibility signal. Using FDA240404 ensures the breaker matches your panel’s internal trip characteristics and mounting footprint, reducing the risk of fitment issues and unexpected downtime in hard‑to‑reach industrial installations. Square D’s reputation for rugged, dependable protection shines in 480V environments where reliable interruption during faults protects both personnel and equipment.

This breaker is ideal for:

• Maintaining existing 480V electrical panels that require 40A protection
• Retrofits where a precise 2‑pole, 480V solution is needed
• Replacing worn or failing breakers in 480V distribution systems
• Industrial settings such as manufacturing lines, equipment rooms, and service rooms that rely on stable 480V power

Practical tips for a smooth upgrade or replacement:

• Always confirm fit and ratings against your panel’s documentation before ordering.
• Cross‑reference the exact part number, FDA240404, to ensure compatibility with your existing bus stabs and mounting arrangement.
• Plan for electrical safety checks after installation to verify proper tripping, labeling, and panel labeling compliance.

Choose the Square D FDA240404 for precise specifications, reliable performance, and a straightforward path to restoring or upgrading your 480V protection strategy. The right replacement part reduces downtime and keeps critical systems protected with confidence.