Square D HGL36150U44XAABCSHYP 150A 3-Pole 600 V Circuit Breaker

Square D HGL36150U44XAABCSHYP is a robust 150 A three-pole circuit breaker designed for three-phase power systems up to 600 V. With this exact part number, you’re ensuring a precise fit for Square D panelboards and distribution gear, delivering dependable overload and short-circuit protection where it matters most—in commercial and light-industrial environments.

• Three-pole design for full three-phase protection
• Current rating: 150 A
• Voltage rating: 600 V
• Part number: HGL36150U44XAABCSHYP
• Designed for quick, predictable trips to safeguard motors, drives, and other critical loads

Where you’ll use it

Ideal for three-phase circuits feeding heavy equipment such as motors, pumps, compressors, HVAC units, and manufacturing lines. Use in service panels, distribution boards, and branch circuits that require high-current protection in 600-volt systems.

Why this model stands out

• Exact replacement fit for Square D installations, ensuring compatibility and reliability without modification
• Single device protects all three phases, simplifying wiring and maintenance
• Designed to withstand the demands of busy electrical rooms and varying loads in industrial settings

Practical tips and quick guidelines

Before replacing or installing, verify that the panel and circuit align with a 600 V system and a 150 A rating. Have a licensed electrician perform the installation, follow all safety procedures, and keep a spare HGL36150U44XAABCSHYP on hand for rapid maintenance in mission-critical environments.