{"product_id":"square-d-jjl36150-circuit-breaker","title":"Square D | JJL36150 | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D JJL36150 circuit breaker — a purpose-built 150 A, 3-pole, 600 V protection device designed for demanding electrical panels. Whether you’re performing maintenance, a retrofit, or a replacement, this unit is engineered to slot into Square D systems with precision, delivering reliable, predictable protection when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 150 A — designed to interrupt and stop excessive current in heavy-load, three-phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole — supports three-phase protection, ensuring all phases trip together to reduce arcing risks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600 V — suitable for industrial and commercial distribution lines that run at higher voltages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference\u003c\/strong\u003e: Part number JJL36150 is the best reference for compatibility, helping you confirm fit before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this specific breaker matters\u003c\/strong\u003e — The JJL36150 is not a generic replacement. It’s built to align with Square D panel architectures and bus bar configurations, providing a dependable, code-compliant solution for three-phase protection. Its 3-pole design ensures coordinated disconnection across all phases, a critical requirement for motors, compressors, pumps, and other three-phase equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications\u003c\/strong\u003e — Perfect for retrofit projects in existing Square D installations, replacement of a failed unit in 3-phase panels, and any setup where 150 A protection is needed for heavy machinery, HVAC systems, or industrial controls. If your system runs on three phases and you need a reliable 150 A limit, this breaker is a targeted, exact-match option.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eData centers, manufacturing floors, and facility electrical panels that rely on robust three-phase protection.\u003c\/li\u003e \u003cli\u003eRetrofits where panel models require a precise JJL36150 reference to maintain protective coordination.\u003c\/li\u003e \u003cli\u003eMaintenance closets and service calls that require quick, compatible replacements to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation tips\u003c\/strong\u003e — To ensure a correct fit, \u003cem\u003econfirm fit and ratings before ordering\u003c\/em\u003e. The part number JJL36150 is the best reference for compatibility with your panel model. Before installation, verify that your system voltage is within the 600 V rating and that the panel accepts 3-pole protection. Always follow the panel manufacturer’s installation guidelines and, for safety, rely on a licensed electrician to perform the work.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat you get\u003c\/strong\u003e — One Square D JJL36150 circuit breaker, ready for installation in compatible Square D panels requiring a 150 A, 3-pole, 600 V protective device.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424848564386,"sku":"JJL36150","price":3602.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-jjl36150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}