Square D HDA36080 - 80A, 3-Pole, Circuit Breaker

The Square D HDA36080 80A, 3-Pole Circuit Breaker delivers dependable three‑phase protection for demanding electrical systems. Engineered for industrial, commercial, and OEM environments, this 80A unit fits seamlessly in panelboards, switchboards, and motor control centers, ensuring reliable overcurrent protection where it matters most.

Three-pole protection for three-phase systems

The 3-Pole configuration provides balanced protection across all phases, safeguarding motors, drives, and other three‑phase loads from overloads and short circuits. With an 80A rating, it acts quickly to limit fault currents, helping minimize downtime and equipment wear in distribution panels and MCCs.

Key advantages that matter in the field

• Precise three‑phase protection: Keeps three-phase circuits safely guarded against overloads, reducing the risk of damage to expensive motors and equipment.
• Versatile installation footprint: Designed for use in panelboards, switchboards, and control panels, making it a flexible choice for new builds or retrofits.
• Industrial-grade reliability: Built to perform in demanding environments where uptime and safe operation are critical.
• OEM-friendly option: Ideal for original equipment manufacturers seeking a dependable protective device for motor control centers and integrated systems.

Ideal applications

• Distribution panels and motor control centers (MCCs) in manufacturing and processing facilities
• Three‑phase panelboards in commercial complexes with heavy electrical loads
• OEM equipment assemblies requiring robust, built-in overcurrent protection

Installation and compatibility tips

Choose the Square D HDA36080 when you need a reliable, three‑pole breaker that complements Square D panelboards, switchboards, and MCCs. Verify compatibility with your panel’s bus configuration and mounting style, and follow all manufacturer torque and wiring guidelines to ensure safe, secure operation. Regular inspection of connections and enclosure integrity helps maintain optimal performance over time.

Why this matters for your operation

Investing in the Square D HDA36080 means you’re prioritizing consistent protection for critical three‑phase loads. By preventing overloads and limiting fault currents, you protect expensive motors and drives, reduce unplanned outages, and extend the life of your electrical distribution infrastructure.