Square D HLA36150UAYP 150A 3-Pole 600 V Circuit Breaker

The Square D HLA36150UAYP is a high-capacity, three-pole circuit breaker designed to safeguard three-phase electrical systems up to 600 V. With a 150 A current rating, this component provides robust protection for demanding industrial and commercial equipment while preserving system reliability and uptime.

Key advantages of the HLA36150UAYP include:

• Three-pole protection ensures all three phases are disconnected together in a fault, reducing equipment damage and simplifying emergency shutdown procedures for three-phase loads.
• 600 V maximum voltage rating makes it suitable for mid- to high-voltage distribution in industrial settings, including motor circuits, pumps, compressors, and HVAC equipment.
• Direct compatibility with Square D panels and assemblies, helping maintain panel labeling consistency and streamlined maintenance across your electrical system.
• Part number clarity—HLA36150UAYP clearly identifies the exact 150 A, 3-pole configuration, simplifying inventory and replacement in service records.

Ideal use scenarios:

• Upgrading or stocking spare parts for three-phase motor control centers and industrial equipment racks.
• Protection for commercial HVAC compressors, conveyors, and pumps operating on 3-phase power within 600 V systems.
• Panelboard modernization projects where a reliable, brand-specific breaker is required to maintain compatibility and performance standards.

Why choose this Square D circuit breaker over generic alternatives? It combines a trusted brand lineage with a precise three-pole design that integrally protects all phases, minimizing downtime in the event of a fault. By using the HLA36150UAYP, you’re aligning with established electrical practices for dependable, multi-phase protection in demanding environments.

Specification snapshot:

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36150UAYP