{"product_id":"square-d-hlp36090-circuit-breaker","title":"Square D | HLP36090 | Circuit Breaker | 90A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HLP36090 is a dedicated 90A, three-pole circuit breaker designed for reliable protection in 3-phase electrical systems. Built to support maintenance, retrofit, and replacement projects, this unit provides the exact specifications needed to match an existing setup without compromising safety or performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this specific breaker stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise amperage and configuration\u003c\/strong\u003e: 90A current rating with a 3-pole design makes it ideal for protecting three-phase circuits in commercial or industrial panel boards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility through part number\u003c\/strong\u003e: HLP36090 is the best reference for ensuring correct fit and ratings, helping you avoid mismatches during replacements or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement\u003c\/strong\u003e: When an existing Square D breaker of the same spec fails, this unit offers a straightforward swap that preserves system wiring and protective characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready for evolving electrical systems\u003c\/strong\u003e: Perfect for upgrading or refreshing legacy panels that require a 90A, 3-pole protective device with reliable tripping behavior.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey details at a glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\u003cstrongamperage:\u003e 90A\u003c\/strongamperage:\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand and family:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e HLP36090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended use:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e \u003cp\u003eEngineers and technicians often face scenarios where a precise 3-phase protection device is needed to maintain system reliability. The HLP36090 excels in:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a failed circuit breaker in 3-phase panelboards that require a direct 90A, 3-pole device\u003c\/li\u003e \u003cli\u003eUpgrading older equipment during facility retrofits to restore optimal protection without changing panel geometry\u003c\/li\u003e \u003cli\u003eMaintenance operations where a known-good, part-number-specific replacement minimizes compatibility risk\u003c\/li\u003e \u003cli\u003eNew installations that demand the exact same protection characteristics as existing Square D infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters for your project\u003c\/h3\u003e \u003cp\u003eChoosing the HLP36090 means selecting a component that aligns with your panel’s protection strategy and tolerance. It preserves the intended trip and protection scheme, minimizes downtime during swaps, and reduces the likelihood of compatibility issues that can arise from generic substitutes. By sticking with the specified part number, you ensure seamless integration with Square D panels and maintain the continuity of your electrical protection plan.\u003c\/p\u003e \u003ch3\u003ePractical guidance for ordering and installation\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConfirm fit and ratings before ordering\u003c\/strong\u003e: Use the part number HLP36090 as your primary compatibility reference to ensure it matches your panel’s requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVerify panel compatibility\u003c\/strong\u003e: This unit is designed for Square D panels that call for a 90A, 3-pole protective device; double-check panel labeling and documentation during planning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe handling and installation\u003c\/strong\u003e: Follow standard electrical safety practices, shut off power to the service, and torque mounting hardware per panel specifications when installing a replacement breaker.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDocumentation and labeling\u003c\/strong\u003e: After installation, update the panel schedule to reflect the new protective device, aiding future maintenance and audits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn summary, the Square D HLP36090 90A 3-Pole circuit breaker is a purpose-built choice for reliable, compatible protection in 3-phase systems. If your project requires exact spec alignment, straightforward replacement, and a component that fits naturally into existing Square D installations, this part delivers clarity, consistency, and confidence in every connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427510374562,"sku":"HLP36090","price":2879.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-hlp36090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}