{"product_id":"square-d-lja36600u31x-600a-600v-3-pole-plug-in-circuit-breaker","title":"Square D LJA36600U31X - 600 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LJA36600U31X—a 600 A, 600 V, 3-pole plug-in molded case circuit breaker built for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed for fast integration into existing systems, it’s the reliable choice for demanding electrical environments.\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 enables quick installation or replacement in compatible OEM panelboards, reducing downtime and simplifying maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal sensing for overloads with magnetic actuation for instantaneous short-circuit interruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e pairs with matching Square D load centers and panelboards for a seamless, code-friendly fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across settings\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where reliable three-phase protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct highlights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 600 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 (three-pole)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LJA36600U31X\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\u003cul\u003e \u003cli\u003eUpgrading or maintaining panelboards and load centers in residential, commercial, or light industrial facilities where robust 3-pole protection is required.\u003c\/li\u003e \u003cli\u003eReplacing a failed or aging breaker with a compatible Square D unit to restore reliable three-phase protection.\u003c\/li\u003e \u003cli\u003eInstalling a plug-in solution in service entrances or distribution panels that demand swift, secure connections and minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits\u003c\/h3\u003e\n\u003cp\u003eElectricians, facilities managers, and panel builders will appreciate the combination of quick installation, dependable protection, and OEM compatibility. It’s an ideal choice when you need a strong, plug-in solution that works seamlessly with Square D panelboards and load centers in diverse environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355325288610,"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-lja36600u31x-600-a-v-3-pole-plug-in-circuit-breaker-459.webp?v=1788750681","url":"https:\/\/www.ampstate.com\/products\/square-d-lja36600u31x-600a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}