{"product_id":"square-d-hdl36090aa","title":"Square D HDL36090AA 36090A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HDL36090AA 36090A 3-Pole 600 V Circuit Breaker — a purpose-built protection device crafted for demanding three‑phase electrical systems. With a 3‑pole configuration and a 600 V maximum voltage rating, this unit delivers reliable, coordinated protection across all three conductors in heavy‑duty environments. The part number HDL36090AA provides a precise reference for ordering and inventory accuracy, ensuring you get the exact replacement you need.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications in practical terms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDL36090AA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 36090 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand lineage:\u003c\/strong\u003e Square D — OEM‑grade protection designed to pair seamlessly with Square D panels and distribution accessories\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication focus:\u003c\/strong\u003e three‑phase circuit protection for industrial and commercial electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3‑pole, 600 V design matters\u003c\/h3\u003e\n\u003cp\u003eThe 3‑pole configuration ensures all three phases trip together, minimizing the risk of phase imbalance that can damage motors and other three‑phase equipment. A 600 V rating broadens the range of compatible systems, from standard industrial panels to higher‑voltage distribution setups, while keeping protection precise and predictable. The HDL36090AA model is engineered to integrate smoothly into existing Square D architectures, helping you maintain consistent electrical protection without compatibility headaches.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed breaker in established Square D panels and distribution boards\u003c\/li\u003e \u003cli\u003eUpgrading or provisioning a three‑phase protection solution for manufacturing lines, HVAC systems, conveyors, and processing equipment\u003c\/li\u003e \u003cli\u003eNew installations where a reliable, OEM‑matched 3‑pole breaker is required for 600 V three‑phase utility or facility power\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart from generic substitutes\u003c\/h3\u003e\n\u003cp\u003eUnlike generic alternates, the Square D HDL36090AA is built to align with Square D’s engineering standards and panel specifications. This means tighter electrical coordination, clearer labeling, and easier serviceability within Square D ecosystems. Its form factor and mechanical compatibility reduce installation effort and maintenance uncertainty, helping you keep downtime to a minimum.\u003c\/p\u003e \u003ch3\u003ePractical tips for optimal use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility: install only in Square D panels designed for 3‑pole, 600 V breakers with matching bus and mounting provisions.\u003c\/li\u003e \u003cli\u003eStock considerately: for facilities with three‑phase power, keeping exact‑model spares like HDL36090AA on hand shortens maintenance windows.\u003c\/li\u003e \u003cli\u003eDocumentation and labeling: clearly record the part number HDL36090AA in you electrical asset registry to simplify future replacements or audits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re maintaining a critical manufacturing line, upgrading a distribution panel, or outfitting a new installation, the Square D HDL36090AA 36090A 3‑Pole 600 V Circuit Breaker delivers targeted, dependable three‑phase protection with the reliability you expect from Square D components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423594860706,"sku":"HDL36090AA","price":510.0,"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-hdl36090aa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}