{"product_id":"square-d-fhl36090-90a-600v-3-pole-circuit-breaker","title":"Square D FHL36090 - 90 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D FHL36090 is a 90A, 600V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. Built for space-efficient installations and consistent protection performance, this breaker is a smart choice for modern electrical panels in residential, commercial, and light industrial settings.\u003c\/p\u003e \u003ch2\u003eWhat makes the Square D FHL36090 unique\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e optimizes panel space, making it easier to fit into tight electrical layouts without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable response to overloads and short circuits, reducing nuisance trips and enhancing safety across a range of loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole operation\u003c\/strong\u003e supports three-phase circuits common in commercial and light-industrial environments, helping you manage balanced power distribution with confidence.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-panel compatibility\u003c\/strong\u003e designed to integrate smoothly with matching Square D OEM loadcenters and panelboards, ensuring a reliable fit and electrical performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: FHL36090\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 90A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003ePerfect for electricians and facility managers upgrading or installing panelboards and loadcenters in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels demanding robust protection with a compact footprint\u003c\/li\u003e \u003cli\u003eCommercial electrical rooms where three-phase circuits are common\u003c\/li\u003e \u003cli\u003eLight-industrial setups requiring reliable protection for critical branch circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose this model over generic options\u003c\/h2\u003e\n\u003cp\u003eThe Square D FHL36090 pairs a space-saving design with a proven thermal-magnetic protection scheme. This combination translates to faster, more predictable fault clearances and lower heat build-up in the panel, protecting downstream equipment and extending panel longevity. Its deliberate compatibility with matching OEM loadcenters reduces installation guesswork and ensures consistent electrical performance across the system.\u003c\/p\u003e \u003ch2\u003ePractical tips for best results\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eConfirm the panelboard’s bus configuration and ensure a three-pole, 90A unit matches the panel’s requirements before replacement or installation.\u003c\/li\u003e \u003cli\u003eWhen performing upgrades, inspect adjacent breakers and bus bars for signs of wear to minimize the risk of future faults.\u003c\/li\u003e \u003cli\u003eStore spare FHL36090 units in a clean, dry environment to keep them ready for quick service in field installations.\u003c\/li\u003e \u003cli\u003eDocument the replacement clearly in your panel labeling to assist future maintenance and inspections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D FHL36090, you gain a trusted, space-efficient solution that delivers reliable three-pole protection for diverse electrical environments. It’s a practical choice for ensuring safe, continuous power delivery across panelboards and loadcenters—today and into the future.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355236290722,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fhl36090-90-a-600-v-3-pole-circuit-breaker-ampstate-709.webp?v=1788744963","url":"https:\/\/www.ampstate.com\/products\/square-d-fhl36090-90a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}