{"product_id":"square-d-lga36400u33x-powerpact-mccb-3-pole-400a-i-line-plug-in-electronic-trip-unit-micrologic-3-3s-lsi-molded-case-circuit-breaker","title":"Square D LGA36400U33X PowerPact MCCB – 3 Pole – 400A – I-Line Plug-In – Electronic Trip Unit (MicroLogic 3.3S LSI) – Molded Case Circuit Breaker","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a31a0c3-2920-83e8-9ae5-ebad8e9576ce-24\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a31a0c3-2920-83e8-9ae5-ebad8e9576ce-24\" data-turn-id-container=\"request-6a31a0c3-2920-83e8-9ae5-ebad8e9576ce-24\" data-testid=\"conversation-turn-56\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"95c037fd-dae9-4b09-8168-c9d96c7d9403\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"192\" data-end=\"614\"\u003eThe Schneider Electric \/ Square D LGA36400U33X is a PowerPact L-Frame molded case circuit breaker (MCCB) designed for reliable protection of industrial electrical distribution systems. It provides advanced solid-state electronic protection against overloads, short circuits, and instantaneous faults, making it suitable for use in switchboards, control panels, and heavy-duty power distribution systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1vwh4os\" data-start=\"621\" data-end=\"647\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"625\" data-end=\"647\"\u003eElectrical Ratings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"648\" data-end=\"931\"\u003e\n\u003cli data-section-id=\"1mwqu6y\" data-start=\"648\" data-end=\"680\"\u003eFrame \/ Rated Current: 400 A\u003c\/li\u003e\n\u003cli data-section-id=\"wj47e3\" data-start=\"681\" data-end=\"715\"\u003eVoltage Rating: up to 600 V AC\u003c\/li\u003e\n\u003cli data-section-id=\"179harl\" data-start=\"716\" data-end=\"734\"\u003ePhase: 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"kdtmuq\" data-start=\"735\" data-end=\"752\"\u003ePoles: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"c46pk5\" data-start=\"753\" data-end=\"796\"\u003eInterrupting Capacity: 35 kA @ 480 V AC\u003c\/li\u003e\n\u003cli data-section-id=\"1l2ezxj\" data-start=\"797\" data-end=\"865\"\u003eUtilization: Industrial power distribution and feeder protection\u003c\/li\u003e\n\u003cli data-section-id=\"ojgb3j\" data-start=\"866\" data-end=\"931\"\u003eCan be used for 2-pole applications (configuration dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"q9xwgw\" data-start=\"938\" data-end=\"975\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"942\" data-end=\"975\"\u003eProtection and Trip Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"976\" data-end=\"1311\"\u003e\n\u003cli data-section-id=\"1gc93gk\" data-start=\"976\" data-end=\"1026\"\u003eTrip Unit Technology: Electronic (Solid State)\u003c\/li\u003e\n\u003cli data-section-id=\"kpgm9i\" data-start=\"1027\" data-end=\"1072\"\u003eTrip Unit Model: MicroLogic Standard 3.3S\u003c\/li\u003e\n\u003cli data-section-id=\"1m5j5bu\" data-start=\"1073\" data-end=\"1201\"\u003eProtection Functions (LSI):\n\u003cul data-start=\"1107\" data-end=\"1201\"\u003e\n\u003cli data-section-id=\"rifys0\" data-start=\"1107\" data-end=\"1142\"\u003eLong-Time Protection (Overload)\u003c\/li\u003e\n\u003cli data-section-id=\"orvgrl\" data-start=\"1145\" data-end=\"1170\"\u003eShort-Time Protection\u003c\/li\u003e\n\u003cli data-section-id=\"mfo9bn\" data-start=\"1173\" data-end=\"1201\"\u003eInstantaneous Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"q9b5t8\" data-start=\"1202\" data-end=\"1245\"\u003eProtection Type: Solid-state electronic\u003c\/li\u003e\n\u003cli data-section-id=\"o72ot9\" data-start=\"1246\" data-end=\"1311\"\u003eCoordination: Adjustable trip settings for system selectivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1pog7sv\" data-start=\"1318\" data-end=\"1352\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1322\" data-end=\"1352\"\u003eConfiguration and Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1353\" data-end=\"1688\"\u003e\n\u003cli data-section-id=\"1ln99js\" data-start=\"1353\" data-end=\"1404\"\u003eDevice Type: Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"14taows\" data-start=\"1405\" data-end=\"1447\"\u003eSeries: PowerPact L-Frame (LGA Series)\u003c\/li\u003e\n\u003cli data-section-id=\"1o3rw5a\" data-start=\"1448\" data-end=\"1487\"\u003eMounting Type: I-Line Style Plug-In\u003c\/li\u003e\n\u003cli data-section-id=\"nlyng7\" data-start=\"1488\" data-end=\"1556\"\u003eElectrical Connection: I-Line line terminals \/ plug-in interface\u003c\/li\u003e\n\u003cli data-section-id=\"5cjlu\" data-start=\"1557\" data-end=\"1640\"\u003eApplication Type: Switchboards, enclosures, and industrial distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"pv7pms\" data-start=\"1641\" data-end=\"1688\"\u003eFrame Type: L-Frame heavy-duty construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1i5ken1\" data-start=\"1695\" data-end=\"1742\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1699\" data-end=\"1742\"\u003eMechanical and Physical Characteristics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1743\" data-end=\"1972\"\u003e\n\u003cli data-section-id=\"mawvyn\" data-start=\"1743\" data-end=\"1793\"\u003eDimensions (H × W × D): 4.33 × 5.51 × 13.39 in\u003c\/li\u003e\n\u003cli data-section-id=\"n51z0x\" data-start=\"1794\" data-end=\"1814\"\u003eWeight: 13.67 lb\u003c\/li\u003e\n\u003cli data-section-id=\"178b2t8\" data-start=\"1815\" data-end=\"1854\"\u003eCompact industrial MCCB form factor\u003c\/li\u003e\n\u003cli data-section-id=\"wgkyhv\" data-start=\"1855\" data-end=\"1913\"\u003eDesigned for easy plug-in installation and replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1b3vguu\" data-start=\"1914\" data-end=\"1972\"\u003eHigh mechanical durability for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"13jmbe6\" data-start=\"1979\" data-end=\"2015\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1983\" data-end=\"2015\"\u003eStandards and Certifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2016\" data-end=\"2149\"\u003e\n\u003cli data-section-id=\"1w9xzw2\" data-start=\"2016\" data-end=\"2029\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1xqik9e\" data-start=\"2030\" data-end=\"2046\"\u003eCSA Approved\u003c\/li\u003e\n\u003cli data-section-id=\"1mr36ka\" data-start=\"2047\" data-end=\"2071\"\u003eIEC compliant design\u003c\/li\u003e\n\u003cli data-section-id=\"f8032d\" data-start=\"2072\" data-end=\"2119\"\u003eManufacturer: Schneider Electric \/ Square D\u003c\/li\u003e\n\u003cli data-section-id=\"1l0pxyk\" data-start=\"2120\" data-end=\"2149\"\u003eSeries: PowerPact L-Frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"kylm4h\" data-start=\"2156\" data-end=\"2172\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2160\" data-end=\"2172\"\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2173\" data-end=\"2708\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1jryvx5\" data-start=\"2173\" data-end=\"2239\"\u003eHigh-performance 400A MCCB for industrial distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"euff3k\" data-start=\"2240\" data-end=\"2306\"\u003eAdvanced MicroLogic 3.3S electronic trip unit (LSI protection)\u003c\/li\u003e\n\u003cli data-section-id=\"1qerrt5\" data-start=\"2307\" data-end=\"2374\"\u003e35 kA interrupting capacity at 480V for strong fault protection\u003c\/li\u003e\n\u003cli data-section-id=\"1p35ap1\" data-start=\"2375\" data-end=\"2438\"\u003eI-Line plug-in design for fast installation and maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1gwcelr\" data-start=\"2439\" data-end=\"2493\"\u003eAdjustable trip settings for improved coordination\u003c\/li\u003e\n\u003cli data-section-id=\"1g19m2w\" data-start=\"2494\" data-end=\"2548\"\u003eSolid-state protection for accurate fault response\u003c\/li\u003e\n\u003cli data-section-id=\"1k02cmu\" data-start=\"2549\" data-end=\"2607\"\u003eSuitable for switchboards, control panels, and feeders\u003c\/li\u003e\n\u003cli data-section-id=\"1399ajv\" data-start=\"2608\" data-end=\"2651\"\u003eCompact yet robust L-Frame construction\u003c\/li\u003e\n\u003cli data-section-id=\"1p5isz5\" data-start=\"2652\" data-end=\"2708\" data-is-last-node=\"\"\u003eLong service life in demanding electrical environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"NEW","offer_id":48538181304569,"sku":"LGA36400U33X","price":3335.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/LGA36400U33X-new-1_85da51c8-2a5c-4cef-91c4-c65a7cf718cc.webp?v=1781643164","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-lga36400u33x-powerpact-mccb-3-pole-400a-i-line-plug-in-electronic-trip-unit-micrologic-3-3s-lsi-molded-case-circuit-breaker","provider":"My Circuit Breakers","version":"1.0","type":"link"}