Square D HGA36150U43XAABCSH 150A 3-Pole 600 V Circuit Breaker

The Square D HGA36150U43XAABCSH 150A 3-Pole 600 V Circuit Breaker is purpose-built to protect demanding three-phase power systems in industrial and commercial settings. With a 150 A rating, three poles, and a 600 V maximum, this breaker delivers reliable, coordinated protection for motors, drives, and distribution panels under load and fault conditions.

Key specifications

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36150U43XAABCSH
• Brand: Square D

Why this Square D breaker stands out

• Exact fit for Square D systems: Part number HGA36150U43XAABCSH is designed to integrate smoothly with compatible Square D panels and distribution equipment, making replacements straightforward and dependable.
• Balanced three‑phase protection: The 3‑pole design ensures simultaneous interruption of all phases, safeguarding against unbalanced faults that could damage motors and downstream equipment.
• Robust current handling: Built to reliably interrupt and protect circuits carrying up to 150 A, helping to prevent overheating, equipment wear, and unplanned downtime.
• Industrial-grade reliability: Engineered for steady performance in demanding environments where consistent protection and durability matter.

Ideal applications

• Protect three-phase motor and conveyor circuits in manufacturing facilities and warehouses.
• Shield Power Distribution Units (PDUs) and switchgear in commercial spaces with 3-phase service.
• Replace aging or failed breakers in existing Square D installations to restore proper protection and compliance.

Use cases and benefits

For engineers and electricians, this breaker provides a reliable, drop-in solution when upgrading or repairing 3‑phase power systems. It helps minimize downtime by offering predictable, trip-safe behavior across all phases, ensuring that a fault affects the entire circuit rather than leaving one phase energized. By choosing a genuine Square D part, you maintain compatibility with your current panels and reduce the risk of mismatch or fit issues during installation.

Installation and care tips

• Verify compatibility with your panel labeling and electrical distribution setup before replacing any device.
• Install by a qualified electrician following local codes and manufacturer installation guidelines.
• Ensure all connections are secure and torque requirements meet the panel’s specifications to maintain reliable operation.
• Store replacements in a clean, dry area to preserve performance until installation.

Protect your three-phase infrastructure with the proven reliability of the Square D HGA36150U43XAABCSH 150A 3-Pole 600 V Circuit Breaker. Designed for precise fit, strong protection, and long service life, it’s a practical, result-focused choice for industrial and commercial power systems.