{"product_id":"square-d-hda36090uo","title":"Square D HDA36090UO 90A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HDA36090UO 90A 3-Pole 600 V Circuit Breaker — a purpose-built protection device designed for reliable three-phase power systems. With a 90-amp current rating and a 600-volt maximum, this breaker secures your distribution network against overloads and faults, helping keep downtime to a minimum and equipment protected.\u003c\/p\u003e \u003cp\u003eBuilt for industrial and commercial environments, this 3-pole breaker delivers synchronized disconnection across all conductors, ensuring safe power shutdown and reducing arc-flash risk in maintenance and fault scenarios. Its OEM-grade construction guarantees compatibility with Square D panels and compatible protection schemes, allowing for straightforward replacement and consistent performance within existing electrical setups.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-pole)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDA36090UO\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Three-phase protection for up to 600 V systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey benefits and how it helps you:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection with coordinated trip behavior:\u003c\/strong\u003e By interrupting all three conductors together, it prevents unsynchronized faults that can damage equipment and compromise safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptimized for motors and equipment with medium loads:\u003c\/strong\u003e A 90 A rating provides a balanced protection level for motors, pumps, conveyors, and other three-phase loads without unnecessary nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM reliability and sourcing ease:\u003c\/strong\u003e As a Square D part, it aligns with existing panels and upstream protection devices, simplifying ordering and ensuring predictable interchangeability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and practical applications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThree-phase distributions in manufacturing facilities, warehouses, and processing plants that operate at up to 600 V.\u003c\/li\u003e \u003cli\u003eMain or branch protection within panelboards and distribution panels for reliable shutdown during faults and maintenance.\u003c\/li\u003e \u003cli\u003eMotor feeders and HVAC circuits where consistent protection and quick disconnection are essential for safety and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and maintenance notes:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eInstall by qualified personnel in accordance with local electrical codes and the equipment manuals.\u003c\/li\u003e \u003cli\u003eInspect for signs of wear, overheating, or physical damage during routine maintenance and replace if needed.\u003c\/li\u003e \u003cli\u003eStore and handle in a clean, dry environment to preserve electrical contacts and mechanical integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423577723042,"sku":"HDA36090UO","price":2199.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36090uo","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}