{"product_id":"square-d-pka36120u31a-1200a-3-pole-plug-in-circuit-breaker","title":"Square D PKA36120U31 A - 1200 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D PKA36120U31A 1200 A, 3-Pole Plug-In Molded Case Circuit Breaker—a purpose-built solution for dependable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters. Designed to integrate seamlessly with OEM equipment, this high-current, plug-in unit keeps large-scale electrical systems running with precision and speed.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation or hassle-free replacement, minimizing downtime during panel maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit trip action for clean, decisive interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current reliability\u003c\/strong\u003e at 1200 A with a 3-pole configuration, ideal for protecting heavy feeders and multi-wire branch circuits in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures a precise fit with matching Square D load centers and panelboards, helping preserve warranty coverage and electrical performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in molded case construction\u003c\/strong\u003e supports straightforward maintenance and quick swaps without rewiring, reducing service disruption in active panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applicability\u003c\/strong\u003e suited for residential, commercial, and light industrial applications where robust, high-current protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e When you’re guarding critical circuits, you want a breaker that reacts quickly to faults, minimizes nuisance trips, and slots neatly into your existing Square D ecosystem. The PKA36120U31A delivers a reliable, factory-aligned solution that supports fast service, durable performance, and clear protection boundaries for your panelboards and loadcenters.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: PKA36120U31A\u003c\/li\u003e \u003cli\u003eAmperage Rating: 1200 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis combination of high current capacity, rapid installation, and OEM compatibility makes the Square D PKA36120U31A a smart choice for upgrading or expanding panelboard protection in any project that demands reliable, scalable electrical safeguarding.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355358941346,"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_39292cea-ea91-4075-8db7-e95011ba6caf.png?v=1764691537","url":"https:\/\/www.ampstate.com\/products\/square-d-pka36120u31a-1200a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}