Square D FHL36015 - 15 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D FHL36015 — a 15A, 600V, 3-pole molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. Built for 3-phase systems, this breaker delivers reliable protection where it matters most, from small commercial setups to light industrial applications, while still fitting neatly into residential-style panels when required.

Why this breaker stands out

• Compact molded case design maximizes panel space, letting you pack more protection into the same enclosure without crowding conductors.
• Thermal-magnetic trip unit provides stable, repeatable protection for both overloads and short circuits, reducing nuisance trips and safeguarding sensitive equipment.
• OEM compatibility with matching Square D load centers and panelboards ensures seamless replacement and consistent performance across your electrical system.
• Versatile for multiple sectors suited for residential, commercial, and light industrial applications where 3-pole protection is needed.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: FHL36015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical insights

• Protect three-phase branch circuits in commercial panelboards and light industrial panels, such as motor feeds, HVAC equipment, and conveyor systems.
• Upgrade or replace a like-for-like 3-pole protection device in existing Square D installations to preserve panel integrity and coordination with other components.
• In facilities where space is at a premium, the compact molded-case design helps you achieve efficient wiring layouts without compromising safety.

Installation and safety notes

• Install by a qualified electrician following all applicable electrical codes and manufacturer guidelines. Verify that the panelboard or load center is designed to accept the FHL36015 and that three-pole protection aligns with your system’s voltage and phase configuration.
• When replacing a breaker, match the part number (FHL36015) and ensure the replacement is compatible with the existing OEM load centers to maintain reliable performance.
• Power must be disconnected before servicing. Store and handle breakers in a clean, dry environment to maintain long-term reliability.