Square D FA34050 50A 3P 480V Circuit Breaker | AmpState

Square D FA34050 50A 3P 480V Circuit Breaker is built for everyday electrical work, delivering reliable circuit protection in panelboards, load centers, and electrical distribution systems.

Designed for applications where a direct part-number match matters, this 3-pole breaker provides solid protection for three-phase circuits at up to 480V. It’s a smart choice for maintenance teams, panel builders, and spare-inventory routines that prioritize compatibility and fast replacements.

Key specifications

• Manufacturer: Square D
• Part Number: FA34050
• Amperage: 50 A
• Poles: 3
• Voltage: 480V
• Type: Circuit Breaker
• Ideal for: panelboards, load centers, and electrical distribution

Why this breaker stands out

• Direct part-number match minimizes guesswork during replacements and reduces downtime in established systems.
• Three-pole design supports balanced three-phase protection, suitable for industrial and commercial distribution networks.
• 480V capability ensures compatibility with higher-voltage layouts often found in modern electrical installations.
• Tailored for professionals—a practical choice for maintenance crews, panel builders, and spare inventory where reliability and fit matter.
• AmpState availability makes sourcing straightforward, keeping your project and service timelines on track.

Ideal use cases

• Replacing a failed 3P 480V circuit breaker in existing Square D panels and distribution systems.
• Stocking a reliable spare for critical panelboards and load centers in facilities with 480V three-phase service.
• Integrating into new panel build projects that require a precise FA34050 form factor and electrical rating.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.