{"product_id":"square-d-fhl360901121-circuit-breaker","title":"Square D | FHL360901121 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D FHL360901121\u003c\/strong\u003e circuit breaker — a reliable OEM-grade protection device engineered for industrial panels that require a precise 90A, 3-pole, 600V solution. Built to support maintenance, retrofit, and replacement projects, this breaker preserves original performance and panel integrity.\u003c\/p\u003e \u003cp\u003eThe FHL360901121 is your most dependable reference for compatibility. By matching the exact amperage, number of poles, and voltage rating, it ensures a seamless swap without compromising safety or trip characteristics.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker (replacement\/retrofit class)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-fit for reliability\u003c\/strong\u003e — designed to align with Square D panels and maintain consistent protection without altering system behavior.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect reference part number\u003c\/strong\u003e — FHL360901121 serves as the definitive identifier for compatibility, simplifying sourcing and reducing misorders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrategic choice for retrofit\u003c\/strong\u003e — ideal when upgrading, replacing, or upkeeping circuits that require a 90A, 3-pole, 600V breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in industrial or commercial electrical rooms where panel specifications call for a 90A, 3-pole, 600V protection device.\u003c\/li\u003e \u003cli\u003eMaintenance replacements in service panels that rely on exact OEM-referenced components to preserve protection schemes.\u003c\/li\u003e \u003cli\u003eNew installations within systems designed for 600V distribution and 3-pole protection on high-load circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the panel’s labeling and the required part number before ordering. Matching the exact model (FHL360901121) minimizes fit and performance risks.\u003c\/li\u003e \u003cli\u003eConfirm the system voltage (600V) and ensure it aligns with your electrical distribution requirements and safety standards.\u003c\/li\u003e \u003cli\u003eCheck mounting and bus connection compatibility with the panel. Follow the manufacturer’s torque specifications for terminals to ensure a secure, code-compliant connection.\u003c\/li\u003e \u003cli\u003eKeep a spare on hand for planned maintenance to minimize downtime and keep critical circuits protected.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you choose this Square D 90A, 3-Pole, 600V circuit breaker, you’re selecting a purpose-built component that aligns with your panel’s protection philosophy. Use the exact part number FHL360901121 as the reference point to confirm fit, function, and long-term reliability in your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426832601250,"sku":"FHL360901121","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fhl360901121-circuit-breaker-90a-3-pole-600v-274.webp?v=1789630362","url":"https:\/\/www.ampstate.com\/products\/square-d-fhl360901121-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}