Square D FA-34020 - 20A, 480VAC, 3-Pole, Circuit Breaker

The Square D FA-34020 delivers dependable three‑phase protection in a compact 20A, 480VAC circuit breaker. With its 3‑pole design, this unit is purpose-built for modern industrial power distribution, delivering reliable circuit interruption across all three hot legs in your panelboards, switchboards, and control panels.

Designed for environments where downtime is costly, the FA-34020 helps keep motors, drives, and other 3‑phase equipment safeguarded from overload and short-circuit events. Its robust construction is compatible with standard industrial distribution setups, making it a practical upgrade or replacement in new builds and retrofit projects alike.

Key specifications

• Current rating: 20A
• Voltage rating: 480VAC
• Poles: 3‑Pole
• Breaker type: Circuit Breaker

Why this 3‑pole design matters

• Protects all three phases of a three‑phase system, reducing the risk of unbalanced loads and equipment damage.
• Ideal for motor control centers and distribution panels where three‑phase circuits require coordinated protection.
• Simple integration into panelboards and switchboards that operate at industrial voltages, ensuring quick, safe disconnection when faults occur.

Ideal applications

• Industrial facilities and manufacturing lines with 480V three‑phase power
• Commercial power distribution where reliable overcurrent protection is essential
• OEM equipment enclosures and control panels that demand compact, dependable protection
• Motor control centers needing consistent circuit interruption for three hot legs

What makes it stand out

• Compact, rugged design tailored for demanding electrical environments
• Clear, straightforward trip protection across all three phases, helping prevent equipment damage and electrical faults from escalating
• A practical choice for upgrades and replacements in 480V three‑phase systems, enabling seamless integration with existing infrastructure

Choose the Square D FA-34020 when your 480V, three‑phase distribution demands reliable, level‑headed protection. It’s built for performance in panelboards, switchboards, and control panels across industrial, commercial, and OEM applications, offering peace of mind that your critical equipment stays guarded against overcurrent events.