{"product_id":"square-d-pja36120sa-1200a-600v-3-pole-plug-in-circuit-breaker","title":"Square D PJA36120SA - 1200 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D PJA36120SA—a high-capacity plug-in molded case circuit breaker designed to protect critical electrical distributions in panelboards and load centers. With a 1200 A rating at up to 600 V and a precise 3-pole configuration, this device delivers reliable, repeatable protection for demanding residential, commercial, and light industrial applications.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and effortless replacement, reducing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overloads and short circuits, helping prevent nuisance trips while safeguarding equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is intended for use with matching Square D load centers and panelboards, ensuring seamless integration and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ensures balanced protection across phases, ideal for multi-wire branch circuits and complex distribution schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged molded case construction\u003c\/strong\u003e supports durability in space-constrained panels and varied operating environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical 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 PJA36120SA\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 1200 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\u003eMounting style:\u003c\/strong\u003e Plug-in\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 \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eChoose the Square D PJA36120SA for high-demand power distribution needs including:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential expansions where large feeders and multi‑wire circuits require robust protection\u003c\/li\u003e \u003cli\u003eCommercial panels and light industrial panels needing dependable protection for heavy load centers\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in existing panelboards where fast replacement minimizes downtime\u003c\/li\u003e \u003cli\u003eNew installations that demand a compatible, high-capacity plug-in breaker within the Square D OEM ecosystem\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure optimal performance, verify your panelboard is designed for plug-in molded case breakers in the PJA36120SA family and that the bus connections are compatible with the device’s plug-in mounting. The fast plug-in design enables rapid changes during scheduled maintenance, transfers, or upgrades, while the thermal-magnetic trip ensures dependable protection aligned with real-world load conditions.\u003c\/p\u003e \u003cp\u003eEngineered for reliability, the Square D PJA36120SA delivers clear value for projects where high-current protection, quick serviceability, and OEM compatibility matter most. If you’re upgrading a distribution system or equipping a new panel, this 1200 A, 600 V, 3-pole plug-in breaker is built to perform when it counts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355357499554,"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-pja36120sa-1200-a-600-v-3-pole-plug-in-circuit-breaker-940.webp?v=1788752081","url":"https:\/\/www.ampstate.com\/products\/square-d-pja36120sa-1200a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}