{"product_id":"square-d-qjl32150-150a-3-pole-circuit-breaker","title":"Square D QJL32150 - 150 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QJL32150 is a 150A, 3-pole molded-case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built to integrate seamlessly with matching OEM Square D load centers, this unit provides reliable protection where it matters most in residential, commercial, and light industrial electrical systems.\u003c\/p\u003e \u003ch2\u003eKey benefits you’ll notice\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e minimizes footprint while maximizing usable panel space, making it ideal for modern, space-constrained electrical enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines overload protection with fast short-circuit interruption, delivering stable, repeatable protection characteristics under varying load conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e is built for balanced three-phase circuits, simplifying wiring layouts and improving protection coordination in commercial or light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e engineered for seamless fit with corresponding Square D panelboards and load centers, helping ensure proper coordination and easier maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current rating for robust protection\u003c\/strong\u003e 150A rating supports main or feeder protection in mid-to-large subpanels and commercial installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\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 QJL32150\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 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\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\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eDesigned for panels and load centers that demand reliable three-phase protection, the QJL32150 is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCommercial office spaces, retail environments, and laboratories that rely on balanced three-phase service\u003c\/li\u003e \u003cli\u003eLight industrial controls and equipment rooms requiring compact protection devices with precise trip performance\u003c\/li\u003e \u003cli\u003eSubpanels and distribution panels where space is at a premium and OEM compatibility matters for system integrity\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose this Square D breaker\u003c\/h2\u003e\n\u003cp\u003eChoosing the QJL32150 means opting for a circuit protection solution that is purpose-built to work with Square D panelboards, ensuring coordinated trip characteristics and mechanical compatibility. The combination of a compact form factor and a thermal-magnetic trip unit translates into predictable protection behavior, lower nuisance trips, and easier panel planning for installers and facilities managers alike.\u003c\/p\u003e \u003ch2\u003eInstallation and practical considerations\u003c\/h2\u003e\n\u003cp\u003eFor best results, pair this 150A, 3-pole molded-case breaker with corresponding Square D panelboards and load centers. Follow manufacturer torque specifications for terminal connections and adhere to applicable electrical codes and safety practices during installation. This unit is a straightforward drop-in replacement in compatible Square D assemblies, designed to streamline upgrades and panel refresh projects.\u003c\/p\u003e \u003ch2\u003eWho benefits most\u003c\/h2\u003e\n\u003cp\u003e electricians, facilities managers, and building engineers looking for a reliable, OEM-compatible protection device that fits neatly into larger Square D systems will find the QJL32150 a practical, long-term choice. Its combination of space efficiency, robust protection, and compatible ecosystem helps simplify procurement, stocking, and maintenance across projects.\u003c\/p\u003e \u003cp\u003ePurchased through AmpState, the Square D QJL32150 150A 3-pole molded case circuit breaker delivers targeted protection where you need it most—protecting wiring, reducing downtime, and supporting safe, compliant electrical operation in panelboards and load centers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355392790690,"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-qjl32150-150-a-3-pole-circuit-breaker-ampstate-breakers-747.webp?v=1788754082","url":"https:\/\/www.ampstate.com\/products\/square-d-qjl32150-150a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}