Square D FA340601021 - 60 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FA340601021—a 60A, 480V, 3-pole plug-in molded case circuit breaker built to protect your panelboards and load centers from overcurrent and short-circuit events. Designed for fast swaps and reliable performance, it’s the dependable choice when uptime matters.

Why this breaker stands out in real-world installations:

• Fast plug-in connection enables quick installation and effortless replacement, minimizing downtime during service or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit detection, reducing nuisance trips while safeguarding critical equipment.
• 3-pole configuration ensures synchronized protection across all three phases, ideal for balanced three-phase power systems and motors.
• 60A rating at 480V provides robust protection for medium-duty branch circuits in commercial and light-industrial settings.
• Molded-case, plug-in design combines rugged construction with easy integration into compatible panelboards and load centers.
• OEM compatibility is ensured with matching Square D load centers and panelboards, supporting consistent protection and fit.
• Versatile applications—well suited for residential, commercial, and light-industrial environments where reliable branch-circuit protection is critical.

Technical snapshot

• Manufacturer: Square D
• Part number: FA340601021
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 60 A
• Voltage rating: 480 V
• Poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Upgrade or expand panelboards in commercial electrical rooms, retrofit residential three-phase installations, or outfit light-industrial panels with reliable, code-aligned protection. This plug-in breaker shines in environments where quick changeouts, minimal downtime, and dependable trip performance matter—think data centers, office campuses with three-phase systems, HVAC equipment banks, and manufacturing suites.

Why it’s a practical choice

Compared with generic plug-in breakers, the FA340601021 leverages Square D’s trusted thermal-magnetic protection and tight OEM compatibility, delivering consistent trip behavior and predictable performance. The 3-pole design promotes balanced protection across all phases, helping protect motors and generators from phase-related issues and improving overall system reliability.

Practical installation tips

• Confirm your panelboard or load center is compatible with the FA340601021 and that the system voltage and current requirements align with the 60 A, 480 V, 3-pole specifications.
• Always power down the system and follow lockout/tagout procedures before replacement.
• Ensure proper seating and secure mounting in the plug-in enclosure to prevent overheating and ensure reliable operation.