Square D FA34050G 50A 3-Pole 480 V Circuit Breaker

The Square D FA34050G 50A 3-Pole 480V Circuit Breaker is built for demanding industrial and commercial power distribution. With a 50 amp current rating and a 480-volt capacity across three poles, this unit delivers dependable overcurrent protection for three-phase circuits, helping to minimize equipment damage and unplanned downtime when faults occur.

• Current rating: 50 A
• Poles: 3
• Voltage rating: 480 V
• Part number: FA34050G
• Brand: Square D

Key advantages of this model include robust three-pole protection that ensures coordinated disconnection of all phases in the event of an overload or short circuit. That means your three-phase equipment—such as large motors, compressors, feeders, and other heavy-load circuits—stays safeguarded under one concise, easy-to-replace device.

Who benefits most: facilities with 480V three-phase distribution systems, including manufacturing floors, HVAC and automation setups, data centers, and commercial electrical rooms. If you’re upgrading aging panels, stocking spare breakers, or replacing a failed unit, the FA34050G is designed to integrate smoothly into compatible Square D panels and assemblies.

How it helps you run more reliably: by providing precise overcurrent protection, it helps prevent insulation damage, nuisance trips from minor surges, and cascading failures in multi-phase circuits. Its straightforward form factor makes installation and maintenance straightforward, reducing downtime during panel servicing or circuit swaps.

Practical tips for use and installation:

• Verify that your distribution system is configured for 480V three-phase operation before installation.
• Consult your panel’s documentation to confirm compatibility with FA-series breakers and proper mounting in your enclosure.
• During replacement, ensure the main power is de-energized and follow all lockout/tagout procedures for safe handling.
• Store spare FA34050G units in a clean, dry environment to prevent corrosion and ensure reliable performance when needed.

Choosing the right circuit protection is crucial for uptime and safety. The Square D FA34050G 50A 3-Pole 480V Circuit Breaker provides dependable, three-phase protection in a compact, replacement-friendly package—perfect for keeping your 480V systems running smoothly and safely.