Square D HDA36150UHYP 150A 3-Pole 600 V Circuit Breaker

The Square D HDA36150UHYP 150A 3-Pole 600V Circuit Breaker delivers robust, dependable protection for 3-phase electrical systems. Designed to integrate seamlessly with Square D panels, this 150 amp, three-pole device safeguards feeders and large loads in demanding commercial and industrial environments while providing straightforward replacement in existing installations.

Key specifications

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36150UHYP
• Brand: Square D
• Designed for reliable protection in 3-phase distribution networks

Why this matters

• Three-pole design provides balanced protection across all three phases, essential for motors, pumps, and other three-phase equipment
• 600 V rating broadens compatibility with higher-voltage distribution circuits common in commercial and industrial settings
• Consistent, proven performance within Square D panel ecosystems simplifies maintenance and reduces replacement headaches

Ideal use cases

• Protection for large feeders and motor circuits in manufacturing lines, HVAC equipment, and machinery rooms
• Panel-board protection in warehouses, campuses, and facilities with 3-phase power distribution
• Replacement or retrofit in existing Square D installations to preserve system uniformity and reliability

Installation & compatibility tips

• Verify that your panel supports 150 A, 3-pole breakers and is compatible with the HDA family
• Install in accordance with local electrical codes and Square D installation guidelines
• Secure terminations and follow manufacturer torque specifications for dependable connections

Maintenance & longevity tips

• Periodically inspect for signs of wear, loose connections, or overheating within the panel
• Replace only with the exact part number HDA36150UHYP to maintain intended protection characteristics