{"product_id":"square-d-pja36120u33a-1200a-600v-3-pole-plug-in-circuit-breaker","title":"Square D PJA36120U33 A - 1200 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eWhen you need dependable, high-capacity protection for demanding electrical systems, the Square D PJA36120U33A delivers. This 1200A, 600V, 3-pole plug-in molded case circuit breaker is engineered for fast, reliable overcurrent and short-circuit protection in panelboards and load centers, keeping critical equipment safe and uptime high.\u003c\/p\u003e \u003ch3\u003eBuilt for speed, precision, and longevity\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Snap-in mounting enables quick installation or replacement, minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines thermal and magnetic sensing to deliver stable, repeatable protection across a wide range of loads and fault currents, reducing nuisance trips and ensuring immediate response to short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design for 3-phase protection:\u003c\/strong\u003e Protects all three phases with a single device, ideal for high-capacity feeders and main circuits in commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating:\u003c\/strong\u003e Designed for robust performance in common distribution voltages, providing reliable interrupting capability where it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Engineered to pair with matching Square D OEM load centers and panelboards, preserving fit, performance, and warranty integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application range:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial settings where dependable branch-circuit overcurrent and short-circuit protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 PJA36120U33A\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 1200A\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\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 and practical installation insights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse as a high-capacity main or feeder breaker in panelboards and load centers where three-phase distribution and heavy loads are present.\u003c\/li\u003e \u003cli\u003eReplace failed or aging breakers in commercial or light industrial electrical rooms that require quick, reliable plug-in upgrades.\u003c\/li\u003e \u003cli\u003eIntegrate with OEM-matched Square D panelboards to maintain compatibility, labeling, and performance characteristics.\u003c\/li\u003e \u003cli\u003eInstall in scenarios demanding precise protection against overcurrent events while minimizing downtime during service or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Square D PJA36120U33A means selecting a robust, plug-in solution that prioritizes installation efficiency, protection accuracy, and long-term compatibility with your panelboard ecosystem. For environments where reliability and speed matter—from busy service entrances to critical commercial facilities—this 3-pole, 1200A, 600V breaker delivers clear value and dependable performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355357532322,"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_40d16198-7ee1-42c4-a2d8-a7fdadcc7bfc.png?v=1764691514","url":"https:\/\/www.ampstate.com\/products\/square-d-pja36120u33a-1200a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}