Square D IFL34040 40A 3-Pole 480 V Circuit Breaker

Meet the Square D IFL34040, a purpose-built circuit breaker engineered for reliable protection in 480-volt, three-phase power systems. With a 40-amp current rating and a 3-pole configuration, this device delivers precise overcurrent protection for demanding industrial and commercial applications. Part number IFL34040, it’s a trusted component designed to safeguard equipment, reduce downtime, and promote safer electrical distribution in complex installations.

• Part Number: IFL34040
• Current Rating: 40 A
• Poles: 3
• Voltage Rating: 480 V
• Configuration: 3-pole, suitable for 3-phase systems

This circuit breaker is ideally suited for industrial panels, commercial distribution boards, and equipment fed by 480V three-phase power. Use cases include motor circuits, conveyors, HVAC equipment, and other heavy electrical loads where reliable, localized protection is essential. By interrupting fault currents and overloads at the source, it helps minimize damage to wiring, downstream components, and production lines.

Why choose the Square D IFL34040?

• Direct fit for 480V three-phase systems: Specifically rated for high-voltage, multi-phase distribution common in manufacturing, processing, and large facilities.
• Clear protection for 40A circuits: Calibrated to guard branch circuits and control circuits without unnecessary tripping in normal operation.
• Brand reliability: Square D is recognized for dependable performance in electrical distribution, helping you maintain uptime in demanding environments.
• Part of a familiar family: IFL34040 integrates with Square D panels and compatible accessories, supporting straightforward configuration and serviceability.

How this breaker fits into your system matters. If your installation uses 480V three-phase feeders or motor control circuits, the IFL34040 provides trusted protection at the point of use, helping you meet electrical codes and maintain equipment longevity. When selecting a replacement or upgrade, verify panel compatibility, conductor sizing, and the required trip characteristics to ensure a seamless fit with your existing distribution layout.

Practical tips for use and care: keep the breaker accessible for maintenance checks, confirm labeling in the panel reflects the IFL34040’s 40A rating and 3-pole configuration, and schedule periodic inspections to confirm uninterrupted operation in your 480V network. For professionals designing or updating a 3-phase distribution system, this 40 A, 3-pole 480 V circuit breaker from Square D is a concrete, value-driven choice that aligns with robust industrial performance.