Square D HDA36110UOYP 110A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36110UOYP 110A 3-Pole 600 V Circuit Breaker—a rugged molded case breaker built for demanding three-phase power distribution. With a 110 A rating, three poles, and a 600 V maximum, this unit delivers dependable overload and fault protection for industrial and commercial electrical systems. Crafted to meet the exacting standards of Square D, it’s a trusted choice when reliability and consistent performance matter most.

Key benefits and what it protects

• Three-pole design provides balanced protection for 3-phase circuits, helping prevent uneven loads and equipment stress.
• 110 A continuous current rating supports mid-to-high demand machinery and distribution networks without nuisance trips.
• 600 V voltage rating enables safe use in a wide range of industrial and commercial applications, including motors, drives, and large lighting systems.
• Part number clarity (HDA36110UOYP) ensures you’re selecting the exact replacement or addition for Square D panels that accept HDA-series breakers.
• Robust construction and proven trip mechanisms reduce downtime by quickly isolating faults, protecting both equipment and personnel.

Ideal use cases

• Three-phase motors and equipment in light manufacturing, processing lines, or HVAC systems.
• Industrial distribution panels and commercial electrical spaces where reliable protection up to 110 A per branch is required.
• Retrofits or upgrades in Square D installations to match system voltage and current requirements safely.

Why this breaker stands out

• Brand assurance: Square D (Schneider Electric) is known for durable, field-proven protection devices designed to meet real-world load conditions.
• Clear compatibility with HDA-series panels and enclosures, making it a logical choice for projects that prioritize streamlined installation and consistent performance.
• Focused on practical protection—by interrupting fault currents and preventing overloads, it helps extend the life of downstream equipment and reduces unplanned downtime.

When you need reliable three-phase protection for circuits up to 110 A and 600 V, the Square D HDA36110UOYP delivers the clarity, durability, and performance that serious electrical systems rely on. Add it to your panel load center or distribution setup to safeguard your equipment and maintain steady operation.