Square D FI36015 - 15 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D FI36015 is a 15 A, 600 V, 3-pole plug-in molded case circuit breaker designed to protect your electrical panelboard or loadcenter from overcurrent and short circuits. With a fast plug-in connection, it simplifies installation and replacement, reducing downtime on service upgrades or routine maintenance.

• Fast plug-in connection for quick, secure installation and effortless replacement in existing panelboards and loadcenters.
• Thermal-magnetic trip unit delivers stable, repeatable protection by reacting to both overcurrent and short-circuit conditions, helping safeguard downstream circuits and connected equipment.
• 3-pole design provides simultaneous disconnection of all phases in three-phase systems, enhancing safety and system integrity.
• 600 V rating suited for higher-voltage panel applications, expanding its applicability beyond standard residential setups.
• 15 A, 3-pole configuration makes it ideal for protecting branch circuits in a variety of installations while aligning with common panelboard standards.
• OEM compatibility built to pair with matching Square D OEM loadcenters and panelboards for reliable fit and predictable performance.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable branch-circuit protection is essential.

Who should consider the FI36015? electricians, electrical contractors, and facilities managers who need a dependable, quick-to-install protective device that fits seamlessly into existing Square D systems. It’s also a solid upgrade option when configuring new panelboards or replacing aging breakers in service panels that require robust thermal-magnetic protection at a 600 V rating.

Technical snapshot

• Manufacturer: Square D
• Part Number: FI36015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical guidance and tips

• Pair this 3-pole FI36015 with compatible Square D loadcenters to maintain optimal protection and performance consistency across your panel.
• When replacing an existing breaker, ensure the panel and the breaker are rated for the same voltage and current specification to maintain safety margins and listing compliance.
• During installation, verify secure seating in the bus bars and snug terminal connections to prevent arcing or loose-terminal faults.
• Use in circuits where three-phase protection is required or where future expansion to a three-phase system is planned, leveraging the 3-pole design for coordinated shutoff.

Designed for reliability in real-world conditions, the Square D FI36015 helps electrical systems stay protected while streamlining service and updates. Add it to your panel configuration today for dependable, code-compliant branch-circuit protection.