Square D HLA36100SJYP 100A 3-Pole 600 V Circuit Breaker

Square D HLA36100SJYP is a 100 A, 3-pole, 600 V circuit breaker crafted for robust protection in demanding electrical panels. Built by Square D, it’s a dependable choice for safeguarding three‑phase circuits in industrial and commercial environments.

Why this breaker stands out

• Three-pole design provides synchronized protection for all phases in three‑phase systems, simplifying panel wiring and ensuring balanced protection across feeders.
• 600 V voltage rating makes it suitable for higher‑voltage distribution networks often found in commercial and light industrial applications, offering reliable interruption during faults.
• 100 A current rating delivers appropriate protection for motor starters, feeders, and critical loads without unnecessary nuisance tripping in typical three‑phase circuits.
• Durable, purpose‑built construction designed to withstand the rigors of busy electrical environments, promoting long service life and predictable performance.
• Part number consistency with HLA36100SJYP ensures straightforward replacement and predictable compatibility within Square D panels and assemblies.

Ideal use cases

• Three‑phase motor feeders in manufacturing lines, conveyors, and processing equipment.
• Distribution feeding for commercial electrical rooms and panelboards requiring reliable overcurrent protection at 600 V.
• Upgrade or retrofit projects where a proven Square D solution supports standardized maintenance and parts availability.

What problems it solves

• Stops damage from overloads and short circuits in three‑phase circuits, helping protect wiring, motors, and control equipment.
• Provides a clear, maintainable protection solution that aligns with common industrial panel configurations, reducing downtime and maintenance complexity.
• Offers predictable trip behavior for critical loads, supporting safer startup and operation of connected equipment.

Specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36100SJYP
• Brand: Square D

Practical tips for installation and care

• Use in compatible Square D panels or enclosures designed to accept HLA‑series breakers to ensure proper fit and performance.
• Verify circuit load and startup conditions to minimize nuisance trips and maximize equipment uptime.
• Follow all applicable safety practices when commissioning or replacing breakers in energized systems, and consult the panel’s documentation for torque and mounting guidance.

Choose the Square D HLA36100SJYP for dependable, three‑phase protection that aligns with industrial electrical standards, supports reliable operation of motors and feeders, and simplifies maintenance with a consistent, brand‑backed solution.