Square D HGA36110SD 110A 3-Pole 600 V Circuit Breaker

Introducing the Square D HGA36110SD 110A 3-Pole 600 V Circuit Breaker — a purpose-built protector for demanding three-phase electrical systems. With a 110 amp current rating, three poles, and a 600-volt maximum rating, this breaker is designed to safeguard large feeders and motors in commercial and light-industrial environments.

What makes this breaker stand out:

• Three-pole design for balanced 3-phase protection — ideal for motor feeds, MCCs, and distribution panels where dependable protection is essential.
• High current capacity (110 A) — provides robust protection for sizable loads without frequent nuisance trips.
• 600 V rating — suitable for typical industrial distribution systems and switchgear used in warehouses, manufacturing floors, and large office campuses.
• Seamless compatibility with Square D panels — engineered to drop into compatible Square D enclosures, ensuring a clean fit and reliable operation within existing electrical architectures.

Practical use cases:

• Protect three-phase motors and conveyors on manufacturing lines — minimize downtime by quickly interrupting power during faults.
• Feed subpanels or MCCs from a main panel in industrial facilities, keeping protection local to critical circuits.
• Upgrade or replace aging protection in Square D installations with a trusted, brand-compatible device.

Why choose the HGA36110SD over generic breakers?

• Brand alignment — built to integrate with Square D systems, reducing compatibility risk and simplifying maintenance.
• Reliability in heavy-load environments — designed to handle frequent starts and stops of large loads commonly found in industrial settings.
• Convenient panel integration — straightforward replacement in compatible panels with consistent performance across your distribution network.

Tips for selecting and using this breaker:

• Confirm your panel or MCC accepts HGA-series, 3-pole breakers with a 600 V rating to ensure proper fit and protection coverage.
• Use this breaker to sectionalize circuits serving large motors, HVAC systems, or line-side feeders where robust interruption is critical.
• Label circuits clearly (e.g., "3-Phase Motor Feeder #1") to streamline maintenance and fault tracing.

Specifications at a glance:

• Current rating: 110 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36110SD
• Brand: Square D (Schneider Electric)