Square D HGA36150U31XAABCSJ 150A 3-Pole 600 V Circuit Breaker

Engineered for reliability in demanding three-phase power environments, the Square D HGA36150U31XAABCSJ 150A 3-Pole 600V Circuit Breaker delivers precise protection for your electrical distribution. This 150-amp device interrupts all three poles at once, safeguarding equipment and reducing downtime across commercial and industrial applications where 600 V class systems are common.

Part of the HGA family, this breaker is designed for seamless integration in Square D distribution panels, ensuring compatibility with existing layout and wiring footprints.

Key specifications

• Part number: HGA36150U31XAABCSJ
• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V

Why this 3‑pole, 150 A 600 V breaker stands out

• Three‑phase protection: Simultaneous disconnect of all three conductors provides reliable protection for balanced loads such as motors, pumps, and HVAC equipment.
• Industrial‑grade reliability: Built to withstand the rigors of commercial and light industrial environments while maintaining stable trip characteristics under typical operating loads.
• Flexible application range: With a 600 V rating, it supports a wide variety of distribution circuits, from service entrances to motor control centers.
• Exact part match: Using the exact part number HGA36150U31XAABCSJ ensures compatibility with Square D panels and reduces wiring or enclosure fit issues.

Ideal use scenarios

• Protecting feeders in three‑phase power distribution networks for manufacturing facilities.
• Upgrading or replacing breakers in commercial electrical rooms requiring 150 A capacity and 600 V class protection.
• Integrating into panel schedules where precise, reliable interruption of all phases is critical for safety and equipment protection.

With the Square D name behind it, this breaker is more than a switch—it's a safeguard for your infrastructure. Ensure you’re selecting the exact HGA36150U31XAABCSJ part for your panel, and rely on consistent performance when your electrical system demands dependable, three‑phase protection.