Square D HGA36090UHYP 90A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36090UHYP 90A 3-Pole 600 V Circuit Breaker—a purpose-built protective device designed for robust three-phase power distribution. This model delivers dependable overcurrent protection in industrial and commercial panels, enabling safe operation of feeders and motors up to 90 amperes at voltages as high as 600 V.

Why this model stands out

• Exact-fit 90 A, 3-pole, 600 V configuration ensures compatibility with your Square D system and three-phase circuits.
• Part number HGA36090UHYP guarantees you’re selecting the correct replacement or specification for existing installations, reducing downtime and mismatch risks.
• Trusted Square D engineering—a brand known for reliable electrical protection and panel-level safety in demanding environments.
• Compact, installable in standard Square D panels—designed for efficient integration into your distribution infrastructure.

Ideal use cases

Best suited for three-phase feeders in commercial or light industrial settings, including motor circuits, HVAC equipment, conveyors, and distribution panels that require a 90 A protection device at up to 600 V. The three-pole design provides balanced protection across all three phases, helping prevent phase-to-phase faults from causing equipment damage.

Practical considerations and tips

• Verify compatibility with your Square D enclosure and the HGA family to ensure a seamless replacement.
• Consult your electrical drawings to confirm the correct pole configuration and voltage rating for your circuit.
• Plan for proper termination torque and secure mounting to maintain reliable protection under load.