Square D HDA36090SV 90A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36090SV, a robust 90A, 3-pole circuit breaker designed to safeguard your 3-phase electrical system. With a 600 V maximum rating, this part—from Square D—delivers dependable overload protection for commercial and light-industrial applications while fitting neatly into compatible Square D panels. Part number HDA36090SV ensures precise replacement compatibility and reliable performance in demanding environments.

Why this 3-pole breaker stands out

• Three-pole design provides balanced protection across all phases, reducing the risk of uneven loading and equipment wear in 3-phase networks.
• 90-amp rating is well-suited for feeders and motor circuits with substantial current draw, helping prevent nuisance trips while guarding critical equipment.
• 600 V voltage rating supports broader industrial distributions and higher-voltage equipment, offering versatility for varied installations.
• Square D compatibility leverages existing panel infrastructure and simplifies maintenance, replacement, and upgrades within compatible Square D panel systems.

This breaker is ideal for facilities managers, electricians, and installers aiming to protect 3-phase equipment such as large motors, conveyors, HVAC components, and other commercial or light-industrial loads. When you need a reliable, field-replaceable solution that aligns with your current Square D setup, the HDA36090SV delivers consistent performance and straightforward integration.

Practical use and installation considerations

Ensure your panel accepts HDA-series breakers and that your system voltage aligns with the 600 V rating. Use the appropriate torque and installation procedures specified by your panel’s guide, and replace the breaker only with the same rating and pole configuration to maintain protection standards.

Specifications at a glance

• Brand: Square D (Schneider Electric)
• Part number: HDA36090SV
• Current rating: 90 A
• Pole configuration: 3-Pole
• Voltage rating: up to 600 V