Square D HDA36090UPYP 90A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36090UPYP 90A 3-Pole 600 V Circuit Breaker — a precise, three-phase overcurrent protection device built for demanding industrial and commercial electrical systems. With a 90-amp rating and a three-pole design, it is engineered to safeguard motors, feeders, and equipment across 3-phase power networks up to 600 volts.

• Current rating: 90 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36090UPYP
• Brand: Square D

Where to use: In industrial panels, commercial power distribution, and equipment with three-phase loads. It protects three-phase motors, conveyors, pumps, and HVAC systems up to 90 A. Ideal as a replacement for compatible Square D panels that accept HDA-type breakers.

• Exact part number match ensures reliable compatibility and fit in existing Square D installations.
• Three-pole design provides synchronized protection across all phases, reducing the risk of uneven fault currents.
• 600 V maximum system rating supports modern industrial equipment and installations where higher voltage is present.

Practical notes for installation and maintenance: Verify that your panel accepts HDA series breakers and that the enclosure is rated for 600 V systems. Before installation, disconnect power and follow applicable electrical codes for safe replacement. Keeping a spare HDA36090UPYP on hand can reduce downtime in critical process lines.

In short, the Square D HDA36090UPYP 90A 3-Pole 600 V Circuit Breaker delivers dependable overcurrent protection for three-phase circuits, combining a precise current rating, reliable three-pole operation, and compatibility with Square D panels. If your application runs on 600 V three-phase power and requires a 90 A protective device, this breaker offers a specific, durable solution.