Square D | IF34040 | Circuit Breaker | 40A | 3-Pole | 480V

Square D IF34040 Circuit Breaker delivers reliable protection for 3‑phase, 480V systems in a compact, maintenance‑friendly package. This 40‑amp, 3‑pole device is engineered for retrofit, replacement, and ongoing service where exact specifications matter and compatibility with Square D panels is essential.

• Amperage: 40A — precise overcurrent protection for 3‑phase loads within 480V systems.
• Poles: 3‑Pole — ideal for 3‑phase circuits common in industrial and commercial environments.
• Voltage: 480V — suitable for higher‑voltage distribution and equipment protection needs.
• Part Number: IF34040 — the best reference to ensure proper fit and compatibility with your panel and bus configuration.

Notes to ensure a trouble‑free fit: confirm the breaker’s fit and ratings before ordering. The part number is the most reliable reference for compatibility with your Square D installations, reducing the risk of mismatches during maintenance or retrofits.

Where it shines: use this breaker for maintenance or replacement projects in industrial or commercial settings that rely on 3‑phase power. It’s well suited for panels and enclosures that require a Square D 3‑pole, 480V protection device, helping you preserve system protection without overhauling existing infrastructure.

Practical use cases include updating aging protection in manufacturing lines, replacing failed breakers in 3‑phase distribution panels, and stocking a ready‑to‑install solution for retrofit projects that demand exact 40A, 3‑pole, 480V specs.

Choose the Square D IF34040 when you need a dependable, specification‑accurate solution that aligns with your existing equipment and minimizes compatibility risk during maintenance or upgrades.