{"product_id":"square-d-hga36090sr","title":"Square D HGA36090SR 90A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HGA36090SR is a 90A, 3-Pole, 600 V circuit breaker designed to deliver dependable overcurrent protection for three-phase power in demanding industrial and commercial settings. Built to integrate seamlessly with Square D distribution systems, this device helps protect wiring, motors, and equipment while supporting clean, safe shutdowns when faults occur.\u003c\/p\u003e \u003cp\u003eKey advantages at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e90 A current rating\u003c\/strong\u003e provides precise protection for medium-load, three-phase circuits without sacrificing available capacity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e ensures coordinated disconnection of all phases, preserving system balance and safety during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage\u003c\/strong\u003e capability makes it suitable for industrial distribution networks that operate at higher voltages, delivering reliable performance across a range of facility needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSquare D reliability\u003c\/strong\u003e leveraging proven engineering from a trusted brand in electrical protection, helping panels stay protected and maintain uptime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the HGA36090SR?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical professionals and panel builders designing or upgrading three-phase distribution in manufacturing facilities, data centers, and large commercial buildings.\u003c\/li\u003e \u003cli\u003eMaintenance teams performing replacements in existing Square D installations to ensure consistent trip characteristics and compatibility.\u003c\/li\u003e \u003cli\u003eEngineers specifying protection for motors, pumps, conveyors, HVAC equipment, and other three-phase loads up to 90 A.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this part matters in your system\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReliable protection helps prevent wiring damage and equipment failures by interrupting fault currents before they cause harm.\u003c\/li\u003e \u003cli\u003eCommon trip behavior across all three phases simplifies diagnostics and restores operations quickly after a trip.\u003c\/li\u003e \u003cli\u003eUsing the exact part number, HGA36090SR, ensures compatibility with matching Square D panels and accessories, reducing retrofit hassles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance and use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInstall as the main protection device in a 3-phase distribution panel or as a key protective element in a controlled equipment rack.\u003c\/li\u003e \u003cli\u003eIdeal for retrofits where existing protection is 90 A or where three-phase service requires a robust 600 V protection strategy.\u003c\/li\u003e \u003cli\u003ePair with correctly sized conductors and protective enclosures to maximize performance and safety in busy electrical rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eMaintenance and care tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFollow manufacturer guidelines for replacement intervals and ensure panel labeling matches the device specifications.\u003c\/li\u003e \u003cli\u003eStore spare units in a dry, secure location to prevent corrosion or contamination before installation.\u003c\/li\u003e \u003cli\u003eWhen replacing an old device, verify that the replacement part maintains compatible trip characteristics and mounting alignment with your existing Square D components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423571628194,"sku":"HGA36090SR","price":2836.0,"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-hga36090sr","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}