{"product_id":"square-d-hll36090-90a-600v-3-pole-circuit-breaker","title":"Square D HLL36090 - 90 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HLL36090 is a 90 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for residential, commercial, and light industrial environments, this genuine Square D component ensures reliable performance where it matters most.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, helping you fit more protection without crowding the enclosure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection—fast response to short circuits and controlled behavior during overloads for safer, predictable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e ensures seamless integration with matching Square D load centers and panelboards, preserving electrical performance and ease of replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e suited for three-phase circuits, expanding protection across common residential, commercial, and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating\u003c\/strong\u003e enables use in higher-voltage systems where robust branch-circuit protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eChoose the HLL36090 for panelboard and loadcenter protection in a variety of settings, including\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels where compact, reliable protection is essential\u003c\/li\u003e \u003cli\u003eCommercial distribution boards serving offices, retail, or light manufacturing\u003c\/li\u003e \u003cli\u003eLight industrial equipment feed where stable trip performance is critical\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HLL36090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance for installation and use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePair this breaker with compatible Square D load centers and panelboards to ensure proper fit, performance, and reliable protection.\u003c\/li\u003e \u003cli\u003eVerify that your system operates within the 600 V environment to match the breaker’s voltage rating and prevent nuisance trips.\u003c\/li\u003e \u003cli\u003eWhen upgrading or replacing, confirm the panel’s ampacity and the circuit’s load profile to determine if 90 A is the appropriate protection level for the feeder.\u003c\/li\u003e \u003cli\u003eKeep a spare, OEM-matched unit on hand for quick replacement and minimized downtime during maintenance or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D HLL36090 for a dependable, space-conscious, three-pole protective solution that aligns with OEM panels and delivers clear, predictable protection for a range of building types. Available through AmpState, it’s a genuine, ready-to-install answer for your branch circuit protection needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355300286626,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_4a1b1d6e-f69e-4f0e-a890-8f8188ffc169.png?v=1764691063","url":"https:\/\/www.ampstate.com\/products\/square-d-hll36090-90a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}