{"product_id":"square-d-pjl36120u44a-1200a-600v-3-pole-circuit-breaker","title":"Square D PJL36120U44 A - 1200 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D PJL36120U44A\u003c\/strong\u003e is a heavy-duty molded case circuit breaker engineered for demanding panel environments. With a 1200 A rating and a 600 V capacity, this 3-pole unit delivers reliable branch circuit protection for high-current feeders in panelboards and load centers.\u003c\/p\u003e \u003cp\u003eKey design elements that differentiate this breaker include a compact molded-case form factor and a thermal-magnetic trip unit. The compact footprint helps maximize usable space inside crowded panels, while the thermal-magnetic mechanism provides stable, repeatable protection—responding accurately to both gradual overloads and sudden short-circuit events.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability:\u003c\/strong\u003e 1200 A rating suited for heavy feeder protection in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection:\u003c\/strong\u003e Ensures all three phases trip together, preserving balance and safety in 3-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating:\u003c\/strong\u003e Compatible with common commercial and industrial power distributions up to 600 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e Maximizes panel space without compromising protection or performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip:\u003c\/strong\u003e Delivers stable protection with predictable trip characteristics under both overload and fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e Designed to work with matching OEM loadcenters and panelboards for seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiverse application range:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial applications where reliable high-current protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is ideal for upgrading or replacing an existing high-current protection device in large panelboards, feeding substantial feeders to subpanels, or safeguarding equipment in commercial spaces. Its compatibility with Square D OEM panels helps ensure correct fit and performance, reducing installation hassles and protecting electrical systems with confidence.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: PJL36120U44A\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 1200 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\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\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355358580898,"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_65d52b48-b066-4103-a550-074f4791c861.png?v=1764691527","url":"https:\/\/www.ampstate.com\/products\/square-d-pjl36120u44a-1200a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}