Square D HLA36100UJYP 100A 3-Pole Circuit Breaker

Meet the Square D HLA36100UJYP 100A 3-Pole Circuit Breaker—a robust protective device designed for reliable overcurrent protection in three-phase electrical systems. With a 100 amp rating and a three-pole design, this unit is built to safely interrupt all lines in a 3-phase circuit, helping prevent damage to equipment and wiring while keeping your panel protected.

• Part Number: HLA36100UJYP
• Current rating: 100 A
• Poles: 3 (three-pole configuration for 3-phase circuits)
• Brand: Square D

Why this model stands out

The Square D HLA36100UJYP is designed for seamless integration with compatible Square D panels and load centers. Its three-pole construction protects three conductors simultaneously, ensuring coordinated disconnection during fault or overload conditions. This makes it an ideal choice for commercial and light industrial installations where 3-phase power is common and reliable protection is essential.

Key use cases include protecting three-phase feeders, motor circuits, and branch circuits in warehouses, manufacturing spaces, and large offices. If you’re upgrading an old breaker or stocking replacement parts for active Square D panels, this 100A 3-Pole unit offers a dependable solution that aligns with your existing electrical infrastructure.

Practical notes and installation considerations

• Designed for compatibility with Square D panel boards and distribution systems. Verify that the HLA36100UJYP matches your panel specifications before installation.
• Ideal for services and feeders where a single-point disconnect across all three phases is desirable for safety and code compliance in many commercial environments.
• Professional installation is recommended. A licensed electrician can confirm panel compatibility, mounting, and wiring requirements and ensure proper safe operation.

In short, the Square D HLA36100UJYP delivers dependable 100 amp, three-pole protection in a compact, panel-compatible package. It’s the practical, reliable choice when you need solid three-phase overcurrent protection that integrates smoothly with your Square D infrastructure.