Square D HDA36080SD 80A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36080SD 80A 3-Pole 600 V Circuit Breaker—a robust protection device designed for three‑phase power distribution in commercial and light industrial settings. This 80 A three‑pole breaker is built to guard your circuits against overloads and short circuits, helping you maintain safe and reliable operation across your panels up to 600 V.

Key specifications

• Part number: HDA36080SD
• Current rating: 80 A
• Poles: 3
• Voltage rating: 600 V

Why this model stands out

The HDA36080SD is purpose-built for 3‑phase circuits, ensuring all three lines are disconnected together when protection is triggered. That coordinated response is essential for safeguarding motors, drives, and other equipment in 3‑phase systems. The 80 A rating targets mid‑size feeders and loads common in commercial and light industrial environments, while the 600 V maximum accommodates a broad range of distribution applications.

As a Square D component, this breaker aligns with Square D panels that accept HDA‑series devices, making it a practical, reliable replacement part for service continuity and downtime reduction. Its design emphasizes straightforward installation and compatibility within existing Square D infrastructure, so you can upgrade or service panels with confidence.

Ideal for

• Three‑phase motor circuits, conveyors, and processing equipment in small to mid‑sized facilities
• Commercial power distribution panels requiring reliable protection up to 600 V
• Spare parts inventory for service teams maintaining Square D installations

Installation and safety notes

• Verify that your panel accepts HDA‑series breakers before installation.
• Ensure power is fully isolated during replacement or maintenance work.
• Follow all applicable electrical codes and safety practices to maintain proper protection and compliance.

Tips for optimal use

Keep spares of commonly required breakers like the HDA36080SD on hand to minimize downtime during routine maintenance or panel upgrades. When replacing an aging or failed breaker, confirm the new device matches the panel’s required trip characteristics and mounting compatibility to maintain full protection and reliability.

Ready to safeguard your three‑phase system? Add the Square D HDA36080SD 80A 3‑Pole 600 V Circuit Breaker to your cart and ensure dependable protection for your critical loads.