Square D HGA36150UHYP 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36150UHYP 150A 3-Pole 600 V Circuit Breaker — a dedicated solution for reliable three-phase protection in demanding electrical environments. With a 150 A current rating, a 3-pole design, and a 600 V maximum voltage, this breaker is built to safeguard industrial and commercial distribution panels while helping keep critical equipment up and running.

Key specifications

• Part number: HGA36150UHYP
• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V

Why this Square D breaker stands out

Designed for three-phase systems, the HGA36150UHYP provides comprehensive protection across all three conductors, ensuring simultaneous disconnection in fault conditions for enhanced safety and reliability. Built by Square D, it aligns with the brand’s reputation for dependable performance in modern electrical distributions, making it a practical choice for professionals who demand consistent protection without compromising on compatibility or ease of replacement.

Ideal use cases

• Three-phase power distribution in commercial or light industrial facilities
• Main feeders or branch protection in Square D panels that service motors, conveyors, or other heavy loads
• Upgrades or replacements in existing installations where a 150 A, 3-pole, 600 V circuit breaker is specified

Practical benefits

By delivering targeted overcurrent protection for three-phase circuits, this breaker helps prevent wiring damage, reduces the risk of equipment fault cascades, and supports smoother startup and operation of three-phase machinery. Its straightforward design supports efficient installation and dependable performance in daily operations, making it a solid choice for engineers, electricians, and facilities managers.

Tips for use

• Verify panel compatibility with Square D HGA series breakers to ensure a proper fit and safe operation.
• Use as part of a well-engineered protection scheme for motors, compressors, and other three-phase equipment up to 150 A.
• Replace after fault events or as part of routine maintenance to maintain optimal protection levels in your distribution network.