Square D HDA36090AA 36090A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36090AA 3-Pole 600 V Circuit Breaker — a purpose-built protective device designed for robust three‑phase power systems. Carrying the part number HDA36090AA, this breaker delivers reliable overcurrent protection for circuits operating up to 600 volts, helping safeguard wiring, motors, and critical equipment in demanding environments.

Specifications

• Part Number: HDA36090AA
• Current rating: 36090 A
• Poles: 3
• Voltage rating: 600 V

Why this matters

In three‑phase installations, synchronized protection across all phases is essential to prevent cascading faults and unbalanced loads. The HDA36090AA’s 3‑pole design ensures simultaneous interruption on each phase, providing consistent protection for motors, conveyors, and other heavy equipment that rely on stable 600 V power. Designed for reliability in industrial settings, this breaker helps minimize downtime and equipment damage when electrical faults occur.

Ideal use cases

• Industrial machinery panels and motor control centers requiring three‑phase protection at 600 V
• Heavy equipment feeders in manufacturing facilities where dependable overcurrent protection is critical
• Commercial and industrial distribution panels that manage large three‑phase loads

Practical considerations

When you’re selecting a breaker for a Square D ecosystem, choosing the HDA36090AA aligns with established reliability and compatibility. Ensure the device is installed in accordance with local electrical codes and aligned with your panel’s electrical design to maintain optimal protection and performance.