Square D FA36015 - 15 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FA36015, a rugged 15A, 600V, 3-pole plug-in molded case circuit breaker designed to shield your electrical system from overcurrent and short-circuit events. Engineered for dependable performance in panelboards and load centers, this unit keeps critical circuits safe across residential, commercial, and light industrial environments.

Why this breaker stands out

• Fast plug-in connection for quick installation and effortless replacements, minimizing downtime during maintenance or panel upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both sustained overloads (thermal) and sudden faults (magnetic), helping prevent nuisance trips while safeguarding wiring and equipment.
• OEM-compatible design guaranteed to fit matching Square D load centers and panelboards, ensuring seamless integration with existing gear and wiring configurations.
• Versatile application proven suitable for a range of settings—from home electrical panels to light commercial installations—where reliable 15A protection is required.
• Durable molded-case construction built to withstand routine maintenance and the rigors of daily operation in busy panel environments.

Technical snapshot

• Manufacturer: Square D
• Part Number: FA36015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for

• Electricians and facility managers upgrading or expanding panelboards and load centers with reliable, code-compliant protection
• Home remodels or small commercial projects requiring precise 15A protection on 3-pole circuits
• Maintenance teams performing quick, drop-in replacements to minimize downtime

Practical use cases and considerations

• Use in panels that require rapid replacement without rewiring—the plug-in design simplifies serviceability in busy electrical rooms.
• Ideal for circuits feeding machinery or multi-wire branch circuits where a balanced 3-pole protection strategy reduces the risk of shared-neutral faults.
• Pair with matching OEM load centers for guaranteed mechanical fit and electrical compatibility, ensuring a reliable protection scheme across the panel.

Installation and safety notes

Installers should ensure power is de-energized before any plug-in breaker replacement. The FA36015’s plug-in mounting simplifies service while maintaining a secure, code-compliant connection to the panelboard. Verify that your panelboard or load center is listed for use with this 3-pole, 15A device to maintain warranty and safety certifications.

Why choose this solution

The Square D FA36015 delivers targeted 15A protection for three parallel paths within a panel, combining fast installation with a robust thermal-magnetic trip mechanism. Its design focuses on reliable operation in real-world environments, reducing downtime, simplifying maintenance, and ensuring consistent protection for essential circuits across residential, commercial, and light industrial applications.