Square D HLA36015AA 36015A 3-Pole 600 V Circuit Breaker

Meet the Square D HLA36015AA, a rugged 3-pole circuit breaker designed to protect three‑phase circuits with precision. Rated for 15 A and up to 600 V, this device provides reliable interruption of fault currents to safeguard equipment, wiring, and systems in commercial and light‑industrial environments.

Key specifications

• Current rating: 15 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36015AA
• Brand: Square D

Why this 3‑pole breaker stands out

The HLA36015AA is purpose‑built for three‑phase protection, delivering controlled, predictable tripping behavior across all phases. Its 600‑volt rating expands the range of panels and installations where reliable protection is needed, from commercial power centers to light industrial equipment rooms. With the precise replacement part number, it's easy to source and swap for ongoing maintenance, reducing downtime and ensuring consistent protection across your distribution system.

Ideal use cases

• Three‑phase motor circuits in conveyors, pumps, fans, and small machinery
• HVAC control systems and commercial equipment panels
• Panel upgrades or replacements in Square D installations that require a 3‑pole, 600 V solution

Practical benefits

• Localized protection reduces the risk of downstream damage from short circuits and overloads
• Clear part numbering (HLA36015AA) simplifies ordering, stocking, and maintenance workflows
• Compact, compatible design that fits standard Square D panels and enclosures

Whether you’re refurbishing an aging panel, expanding a 3‑phase distribution network, or sourcing a dependable replacement, the Square D HLA36015AA 3‑Pole 600 V Circuit Breaker delivers predictable performance and straightforward integration for your three‑phase electrical system.