Square D IF34050 50A 3-Pole 480 V Circuit Breaker

Meet the Square D IF34050, a purpose-built 50 A, 3-pole circuit breaker engineered for 480 V three-phase systems. Part of Square D’s dependable protective lineup, this IF34050 model delivers robust circuit protection for demanding industrial and commercial applications, helping keep equipment and personnel safe while minimizing downtime.

Key specifications

• Part Number: IF34050
• Current rating: 50 A
• Poles: 3
• Voltage rating: 480 V
• Brand: Square D

Why this 3-pole, 480 V breaker stands out

• Designed for three-phase protection: Ideal for motor circuits, compressors, conveyors, and other industrial equipment that rely on balanced 3-phase power.
• High-voltage compatibility: 480 V rating makes it suitable for industrial distribution panels and switchgear common in manufacturing, data centers, and large commercial facilities.
• Reliable fault interruption: Provides a proven safeguard against overloads and short circuits, helping prevent equipment damage and unplanned downtime.

Ideal use cases

• Protection for 3-phase motors and heavy machinery in manufacturing or processing plants
• Power distribution for large commercial equipment operating on 480 V three-phase systems
• Service panels and switchgear installations where a dedicated 50 A, 3-pole breaker is required

Installation and troubleshooting tips

• Verify panel compatibility: ensure the IF34050 matches your Square D distribution equipment or enclosure requirements before installation.
• Conductor sizing and terminations: use appropriately rated conductors and torque specifications per local electrical codes and the breaker’s installation instructions.
• Clear fault protection: in the event of nuisance trips, inspect for wiring faults, overload conditions, or cooling issues in 480 V circuits, and reset only after addressing the root cause.

This Square D IF34050 50A 3-Pole 480 V Circuit Breaker is purpose-built for professionals who design, install, and maintain 3-phase electrical systems in demanding environments. If you’re upgrading a panel, designing a new 480 V distribution setup, or replacing an aging protective device, this part delivers the reliability and compatibility you expect from Square D.