{"product_id":"square-d-ejb34050sa-molded-case-circuit-breaker-3-pole-50a-bolt-on-thermal-magnetic-factory-installed-shunt-trip","title":"Square D EJB34050SA Molded Case Circuit Breaker – 3 Pole – 50A – Bolt-On – Thermal Magnetic – Factory-Installed Shunt Trip","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a2edfc6-7bd8-83ee-b9da-9db2cbbf005c-6\" 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-6a2edfc6-7bd8-83ee-b9da-9db2cbbf005c-6\" data-turn-id-container=\"request-6a2edfc6-7bd8-83ee-b9da-9db2cbbf005c-6\" data-testid=\"conversation-turn-74\" data-scroll-anchor=\"false\" 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=\"df359b66-e452-415b-ba80-a534a17fb4f9\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"175\" data-end=\"657\"\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSquare D\u003c\/span\u003e\u003c\/span\u003e EJB34050SA is a high-interrupting capacity E-Frame molded case circuit breaker engineered for commercial and industrial power distribution systems requiring remote tripping functionality. Manufactured by \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/span\u003e, this 3-pole, 50A breaker combines dependable thermal-magnetic protection with a factory-installed shunt trip for enhanced safety, automation, and emergency shutdown applications.\u003c\/p\u003e\n\u003cp data-start=\"659\" data-end=\"1048\"\u003eDesigned for installation in Square D NF panelboards, the EJB34050SA utilizes a secure bolt-on mounting configuration and includes load-side lugs for simplified installation. The integrated shunt trip enables remote breaker operation from external control circuits, making it ideal for emergency power-off systems, fire alarm interfaces, safety interlocks, and building automation systems.\u003c\/p\u003e\n\u003cp data-start=\"1050\" data-end=\"1381\"\u003eWith interrupting ratings of 100kA at 120VAC and 240VAC, and 65kA at 480Y\/277VAC, this breaker delivers exceptional fault-clearing capability in demanding electrical environments. A Visi-Trip visual indicator provides immediate identification of tripped circuits, reducing troubleshooting time and improving maintenance efficiency.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1383\" data-end=\"1401\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1403\" data-end=\"1950\"\u003e\n\u003cli data-section-id=\"lbkw4z\" data-start=\"1403\" data-end=\"1451\"\u003eBrand: \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSquare D\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1puzkdb\" data-start=\"1452\" data-end=\"1507\"\u003eManufacturer: \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4y1uek\" data-start=\"1508\" data-end=\"1535\"\u003ePart Number: EJB34050SA\u003c\/li\u003e\n\u003cli data-section-id=\"1omem54\" data-start=\"1536\" data-end=\"1558\"\u003eSeries: EJB Series\u003c\/li\u003e\n\u003cli data-section-id=\"19em5gp\" data-start=\"1559\" data-end=\"1596\"\u003eType: Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"bpyoo5\" data-start=\"1597\" data-end=\"1620\"\u003eFrame Type: E-Frame\u003c\/li\u003e\n\u003cli data-section-id=\"1ivewjk\" data-start=\"1621\" data-end=\"1646\"\u003eConfiguration: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"pvjmxy\" data-start=\"1647\" data-end=\"1665\"\u003ePhase: 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"7wy73z\" data-start=\"1666\" data-end=\"1689\"\u003eCurrent Rating: 50A\u003c\/li\u003e\n\u003cli data-section-id=\"js0jkp\" data-start=\"1690\" data-end=\"1737\"\u003eVoltage Rating: 120VAC, 240VAC, 480Y\/277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"sybr12\" data-start=\"1738\" data-end=\"1765\"\u003eMounting Style: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"1nbdjus\" data-start=\"1766\" data-end=\"1789\"\u003eTerminal Type: Lugs\u003c\/li\u003e\n\u003cli data-section-id=\"1vwficb\" data-start=\"1790\" data-end=\"1827\"\u003eProtection Type: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1i6wvgf\" data-start=\"1828\" data-end=\"1879\"\u003eTrip Function: LI – Long-Time and Instantaneous\u003c\/li\u003e\n\u003cli data-section-id=\"rn4aoz\" data-start=\"1880\" data-end=\"1909\"\u003eTrip Adjustability: Fixed\u003c\/li\u003e\n\u003cli data-section-id=\"1r64wpp\" data-start=\"1910\" data-end=\"1950\"\u003eApplication: Square D NF Panelboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1oyz3ud\" data-start=\"1952\" data-end=\"1976\"\u003eInterrupting Ratings\u003c\/h3\u003e\n\u003cul data-start=\"1978\" data-end=\"2038\"\u003e\n\u003cli data-section-id=\"7zbcvn\" data-start=\"1978\" data-end=\"1996\"\u003e100kA @ 120VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1y8q5xy\" data-start=\"1997\" data-end=\"2015\"\u003e100kA @ 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"bbtrm2\" data-start=\"2016\" data-end=\"2038\"\u003e65kA @ 480Y\/277VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1j9na6a\" data-start=\"2040\" data-end=\"2076\"\u003eElectrical \u0026amp; Mechanical Features\u003c\/h3\u003e\n\u003cul data-start=\"2078\" data-end=\"2580\"\u003e\n\u003cli data-section-id=\"1drvdw\" data-start=\"2078\" data-end=\"2139\"\u003eFactory-installed shunt trip for remote circuit operation\u003c\/li\u003e\n\u003cli data-section-id=\"1iy4p7f\" data-start=\"2140\" data-end=\"2198\"\u003eThermal-magnetic overload and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"a1ayo\" data-start=\"2199\" data-end=\"2245\"\u003eLong-time and instantaneous trip functions\u003c\/li\u003e\n\u003cli data-section-id=\"ehfw08\" data-start=\"2246\" data-end=\"2276\"\u003eFixed trip characteristics\u003c\/li\u003e\n\u003cli data-section-id=\"1wogizv\" data-start=\"2277\" data-end=\"2311\"\u003eBolt-on mounting configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1h1kwoa\" data-start=\"2312\" data-end=\"2339\"\u003eLoad-side lugs included\u003c\/li\u003e\n\u003cli data-section-id=\"15s060i\" data-start=\"2340\" data-end=\"2375\"\u003eVisi-Trip visual trip indicator\u003c\/li\u003e\n\u003cli data-section-id=\"1b0abbc\" data-start=\"2376\" data-end=\"2441\"\u003eSuitable for emergency shutdown and automated control systems\u003c\/li\u003e\n\u003cli data-section-id=\"8ygven\" data-start=\"2442\" data-end=\"2478\"\u003eHACR rated for HVAC applications\u003c\/li\u003e\n\u003cli data-section-id=\"178q1q8\" data-start=\"2479\" data-end=\"2518\"\u003eHID rated for lighting applications\u003c\/li\u003e\n\u003cli data-section-id=\"t11odg\" data-start=\"2519\" data-end=\"2580\"\u003eHigh interrupting capacity for demanding fault conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"luma9c\" data-start=\"2582\" data-end=\"2596\"\u003eWire Range\u003c\/h3\u003e\n\u003cul data-start=\"2598\" data-end=\"2753\"\u003e\n\u003cli data-section-id=\"1yioky6\" data-start=\"2598\" data-end=\"2631\"\u003eCopper Conductors: AWG 14–2\/0\u003c\/li\u003e\n\u003cli data-section-id=\"1qcqkc9\" data-start=\"2632\" data-end=\"2667\"\u003eAluminum Conductors: AWG 12–2\/0\u003c\/li\u003e\n\u003cli data-section-id=\"f7abx\" data-start=\"2668\" data-end=\"2698\"\u003eMaximum Wire Size: 2\/0 AWG\u003c\/li\u003e\n\u003cli data-section-id=\"dfa4s7\" data-start=\"2699\" data-end=\"2753\"\u003eMinimum Wire Size: AWG 14 Copper \/ AWG 12 Aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"8tvtsf\" data-start=\"2755\" data-end=\"2776\"\u003eAvailable Options\u003c\/h3\u003e\n\u003cul data-start=\"2778\" data-end=\"2838\"\u003e\n\u003cli data-section-id=\"1gb7sev\" data-start=\"2778\" data-end=\"2798\"\u003eAuxiliary Switch\u003c\/li\u003e\n\u003cli data-section-id=\"qbawzy\" data-start=\"2799\" data-end=\"2815\"\u003eAlarm Switch\u003c\/li\u003e\n\u003cli data-section-id=\"1ph0b1k\" data-start=\"2816\" data-end=\"2838\"\u003ePadlock Attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"6o77tk\" data-start=\"2840\" data-end=\"2864\"\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cul data-start=\"2866\" data-end=\"2917\"\u003e\n\u003cli data-section-id=\"1o2bgxp\" data-start=\"2866\" data-end=\"2898\"\u003eFactory-Installed Shunt Trip\u003c\/li\u003e\n\u003cli data-section-id=\"yzycr6\" data-start=\"2899\" data-end=\"2917\"\u003eLoad-Side Lugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"131luvw\" data-start=\"2919\" data-end=\"2944\"\u003eStandards \u0026amp; Approvals\u003c\/h3\u003e\n\u003cul data-start=\"2946\" data-end=\"3300\"\u003e\n\u003cli data-section-id=\"fjdscg\" data-start=\"2946\" data-end=\"2963\"\u003eUL 489 Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1kuinwb\" data-start=\"2964\" data-end=\"2983\"\u003eCSA C22.2 No. 5\u003c\/li\u003e\n\u003cli data-section-id=\"czvth\" data-start=\"2984\" data-end=\"3007\"\u003eNEMA AB 1 Compliant\u003c\/li\u003e\n\u003cli data-section-id=\"1gfjlj2\" data-start=\"3008\" data-end=\"3029\"\u003eNFPA 70 Compliant\u003c\/li\u003e\n\u003cli data-section-id=\"3h4a0l\" data-start=\"3030\" data-end=\"3046\"\u003eCSA Approved\u003c\/li\u003e\n\u003cli data-section-id=\"1gov7qo\" data-start=\"3047\" data-end=\"3063\"\u003ecULus Listed\u003c\/li\u003e\n\u003cli data-section-id=\"mq9pch\" data-start=\"3064\" data-end=\"3078\"\u003eHACR Rated\u003c\/li\u003e\n\u003cli data-section-id=\"1uyovzg\" data-start=\"3079\" data-end=\"3092\"\u003eHID Rated\u003c\/li\u003e\n\u003cli data-section-id=\"1l7p494\" data-start=\"3093\" data-end=\"3109\"\u003eNOM Approved\u003c\/li\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"3110\" data-end=\"3123\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1fan452\" data-start=\"3124\" data-end=\"3223\"\u003eAuthentic \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSquare D\u003c\/span\u003e\u003c\/span\u003e \/ \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/span\u003e product\u003c\/li\u003e\n\u003cli data-section-id=\"14ct4yj\" data-start=\"3224\" data-end=\"3300\"\u003eManufactured to EJB Series specifications for NF panelboard applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"106482j\" data-start=\"3302\" data-end=\"3326\"\u003eOperating Conditions\u003c\/h3\u003e\n\u003cul data-start=\"3328\" data-end=\"3516\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1lgaldd\" data-start=\"3328\" data-end=\"3364\"\u003eAmbient Temperature Rating: 40°C\u003c\/li\u003e\n\u003cli data-section-id=\"1kflesk\" data-start=\"3365\" data-end=\"3434\"\u003eDesigned for commercial and industrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1dv6wtr\" data-start=\"3435\" data-end=\"3516\" data-is-last-node=\"\"\u003eIdeal for emergency shutdown, safety interlock, and remote-control applications\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":48530503270649,"sku":"EJB34050SA","price":1369.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/EDB34020SA-new-1_51a49dd7-31b3-4420-8742-595a3e804ee0.webp?v=1781499720","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-ejb34050sa-molded-case-circuit-breaker-3-pole-50a-bolt-on-thermal-magnetic-factory-installed-shunt-trip","provider":"My Circuit Breakers","version":"1.0","type":"link"}