Square D HGA36150SHYP 150A 3-Pole 600 V Circuit Breaker

The Square D HGA36150SHYP 150A 3-Pole 600V Circuit Breaker is a rugged protective device engineered for reliable 3‑phase protection in commercial and light industrial electrical panels. As part of the Square D HGA family, this breaker delivers dependable overcurrent protection for feeders and motors in systems operating up to 600 V.

Key specifications

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36150SHYP
• Family: Square D HGA

What makes this breaker unique

This is a purpose-built, genuine Square D device designed to fit panels that accept HGA-series breakers. The 3‑pole frame provides synchronized protection across all three phases, helping prevent unbalanced loads and potential equipment damage. Its durable construction and precise fit make it a dependable choice for panel upgrades and installations where space, performance, and reliability matter.

Ideal applications

• 3‑phase feeders for commercial equipment such as HVAC systems, pumps, and motor drives
• Panelboard protection for light industrial machinery and manufacturing lines
• Main service panels or branch distribution where a 150 A capacity is required

Installation and compatibility

Before installation, confirm that your panelboard is designed to accept HGA-series breakers and that line/load terminals are accessible. Follow standard electrical safety practices and the panel’s labeling for torque specs and wiring guidelines. Because this is a 3-pole device rated up to 600 V, ensure proper alignment of all three conductors and adherence to local electrical codes during setup.

Safety and maintenance tips

• Only qualified electricians should install, test, or replace this breaker.
• Regularly inspect for signs of overheating, insulation wear, or corrosion and replace if any issues are detected.
• Keep the breaker and surrounding area clean and dry to maintain reliable operation.

With its robust build and dedicated 3-pole protection, the Square D HGA36150SHYP supports dependable, scalable protection for critical 3‑phase loads while simplifying panel upgrades and ongoing maintenance.