{"product_id":"square-d-lla36600u31x-600a-600v-3-pole-plug-in-circuit-breaker","title":"Square D LLA36600U31X - 600 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LLA36600U31X is a rugged, plug-in molded-case circuit breaker built to protect large branch circuits in panelboards and load centers. With a 600 A rating and 600 V capability, this 3-pole unit is designed for reliable, three-phase protection in demanding commercial and light industrial environments, as well as robust residential service applications.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world electrical protection\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and simple replacement, reducing panel downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection for both overloads and short circuits, helping to minimize nuisance trips while safeguarding downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e provides coordinated protection across all three phases, essential for balanced performance in three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Square D load centers and panelboards, ensuring smooth integration and reliable operation within existing panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial settings where large-draw circuits require dependable overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: LLA36600U31X\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 600 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading large residential service panels to safely handle high-demand loads and avoid tripping on peak usage.\u003c\/li\u003e \u003cli\u003eCommercial panelboards and light industrial distribution where reliable three-phase protection is critical for equipment downtime reduction.\u003c\/li\u003e \u003cli\u003eNew installations that require a plug-in solution for rapid deployment and straightforward maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation considerations\u003c\/h3\u003e\n\u003cp\u003eDesigned to work with matching OEM Square D load centers and panelboards, the LLA36600U31X ensures proper fit and coordinated protection with your existing electrical distribution equipment. For best results, pair this 3-pole plug-in breaker with compatible Square D panelboards designed for thermal-magnetic molded-case protection, and follow standard safety procedures during installation and replacement.\u003c\/p\u003e \u003cp\u003eWith the Square D LLA36600U31X, you gain a reliable, high-capacity protection device that streamlines installation, minimizes downtime, and delivers consistent performance across residential, commercial, and light industrial applications. When you need robust branch-circuit protection for large loads, this 600 A, 600 V, 3-pole plug-in breaker is built to perform and endure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355327484066,"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_1856649d-5a0e-44ff-8493-37fa8a9f100a.png?v=1764691369","url":"https:\/\/www.ampstate.com\/products\/square-d-lla36600u31x-600a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}