{"product_id":"square-d-jjl36150-150a-600v-3-pole-circuit-breaker","title":"Square D JJL36150 - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D JJL36150—a dependable, three-pole molded case circuit breaker designed to deliver precise branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Rated at 150A and 600V, this breaker is built to keep commercial, light industrial, and select residential installations running smoothly, safely, and on a clean electrical curve.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e minimizes footprint while maximizing usable panel space, making it ideal for tight electrical closets and crowded load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining long-term thermal sensing with fast magnetic response for immediate short-circuit interruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ensures balanced protection across all hot legs in 3-phase systems, helping prevent phase-to-phase faults and ensuring coordinated shutdown when needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to be used with matching Square D OEM loadcenters and panelboards for reliable fit and dependable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile you-need-it-now protection\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where robust, predictable circuit protection is a must.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\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 JJL36150\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\u003eVoltage rating:\u003c\/strong\u003e 600V\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 \u003cp\u003eWhy choose this breaker? It’s designed to pair seamlessly with Square D panels, delivering predictable tripping behavior and reliable performance across a wide range of operating conditions. The compact form factor helps you maximize space inside panelboards and loadcenters, while the thermal-magnetic trip unit delivers consistent protection even as ambient temperatures shift or loads fluctuate.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors installing or upgrading panelboards in commercial spaces, light industrial facilities, or large residential campuses\u003c\/li\u003e \u003cli\u003eMaintenance technicians replacing aging or faulty breakers in existing Square D installations\u003c\/li\u003e \u003cli\u003ePanel builders and system integrators needing dependable, OEM-compatible protection for 3-phase distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical scenarios include upgrading service panels to support higher loads, protecting feeders in small-to-medium commercial rooms, or configuring new 3-phase equipment rooms where compact, reliable MCCB protection is essential. By choosing the Square D JJL36150, you’re investing in a proven solution that aligns with standard Square D loadcenters and delivers consistent, safe protection when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355306610850,"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-jjl36150-150-a-600-v-3-pole-circuit-breaker-ampstate-976.webp?v=1788748952","url":"https:\/\/www.ampstate.com\/products\/square-d-jjl36150-150a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}