Square D HLA36150SRYP 150A 3-Pole 600 V Circuit Breaker

Introducing the Square D HLA36150SRYP—a rugged, three-pole circuit breaker engineered for reliable overcurrent protection in demanding electrical environments. With a 150 A rating and a 600 V maximum, this unit is purpose-built to keep three‑phase systems safe, efficient, and up and running.

• Current rating: 150 A
• Poles: 3 (three-phase protection)
• Voltage rating: 600 V
• Part number: HLA36150SRYP

Why this 3-pole, 600 V breaker stands out

• Three-phase protection ensures balanced interruption across all phases, reducing the risk of phase-to-phase faults and equipment damage.
• 150 A capacity provides appropriate protection for feeders, motors, and other load centers in many commercial and light industrial applications.
• 600 V rating supports higher voltage distribution networks, giving you more flexibility in design and capacity planning.
• Square D compatibility is designed to fit within compatible panels and distribution gear, helping you streamline maintenance and replacements.

Use cases and ideal environments

This 3-pole, 150 A breaker is well-suited for:

• Protecting three-phase motors in manufacturing lines, conveyors, and pumps
• Feeder protection in commercial electrical rooms and service panels
• Distribution panels that require a robust, standard 3-phase safety solution
• Repairs or replacements in existing Square D installations to maintain consistent performance

Practical considerations for installation and replacement

• Verify panel compatibility to ensure a proper fit and secure mounting within your distribution board.
• Confirm that the 3-pole, 150 A, 600 V ratings align with your system’s electrical design and protection goals.
• Keep the part number HLA36150SRYP on hand for accurate sourcing and warranty records.

When you need dependable, three-phase protection for demanding electrical loads, the Square D HLA36150SRYP 150 A, 3-Pole, 600 V circuit breaker delivers clear, practical value. It supports safer startup, protects equipment from overloads and faults, and helps keep critical systems—HVAC, manufacturing gear, and power distribution—operating with minimal downtime.