{"product_id":"square-d-ejb14030-bolt-on-molded-case-circuit-breaker-1-pole-30a-277vac-thermal-magnetic","title":"Square D EJB14030 Bolt-On Molded Case Circuit Breaker – 1 Pole – 30A – 277VAC – Thermal Magnetic","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a2edfc6-7bd8-83ee-b9da-9db2cbbf005c-2\" 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-2\" data-turn-id-container=\"request-6a2edfc6-7bd8-83ee-b9da-9db2cbbf005c-2\" data-testid=\"conversation-turn-66\" 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=\"70fb614e-3614-41e2-a442-84060104a82d\" 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=\"149\" data-end=\"589\"\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 EJB14030 is a high-interrupting capacity molded case circuit breaker designed for commercial, industrial, and OEM power distribution applications. 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 1-pole, 30A breaker provides dependable thermal-magnetic protection against overloads and short-circuit faults while maintaining compatibility with Square D NF panelboards.\u003c\/p\u003e\n\u003cp data-start=\"591\" data-end=\"916\"\u003eAs part of the EJB Series E-Frame family, the EJB14030 utilizes a secure bolt-on mounting configuration and features a thermal-magnetic trip unit with long-time and instantaneous protection functions. Its elevated interrupting capacity makes it suitable for electrical systems where high available fault currents are present.\u003c\/p\u003e\n\u003cp data-start=\"918\" data-end=\"1201\"\u003eThe breaker incorporates a visual trip indicator for rapid fault identification and is calibrated for operation at 40°C. Designed for NF panelboard installations, it is both HID-rated and HACR-rated, making it suitable for lighting, HVAC, and general power distribution applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1203\" data-end=\"1221\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1223\" data-end=\"1730\"\u003e\n\u003cli data-section-id=\"lbkw4z\" data-start=\"1223\" data-end=\"1271\"\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=\"1272\" data-end=\"1327\"\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=\"gkr8d6\" data-start=\"1328\" data-end=\"1353\"\u003ePart Number: EJB14030\u003c\/li\u003e\n\u003cli data-section-id=\"1omem54\" data-start=\"1354\" data-end=\"1376\"\u003eSeries: EJB Series\u003c\/li\u003e\n\u003cli data-section-id=\"19em5gp\" data-start=\"1377\" data-end=\"1414\"\u003eType: Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"bpyoo5\" data-start=\"1415\" data-end=\"1438\"\u003eFrame Type: E-Frame\u003c\/li\u003e\n\u003cli data-section-id=\"1re6uma\" data-start=\"1439\" data-end=\"1464\"\u003eConfiguration: 1 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"vdhrok\" data-start=\"1465\" data-end=\"1483\"\u003ePhase: 1 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"7spoqh\" data-start=\"1484\" data-end=\"1507\"\u003eCurrent Rating: 30A\u003c\/li\u003e\n\u003cli data-section-id=\"165llme\" data-start=\"1508\" data-end=\"1534\"\u003eVoltage Rating: 277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1ibps6a\" data-start=\"1535\" data-end=\"1563\"\u003eConnection Type: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"sybr12\" data-start=\"1564\" data-end=\"1591\"\u003eMounting Style: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"1vwficb\" data-start=\"1592\" data-end=\"1629\"\u003eProtection Type: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1i6wvgf\" data-start=\"1630\" data-end=\"1681\"\u003eTrip Function: LI – Long-Time and Instantaneous\u003c\/li\u003e\n\u003cli data-section-id=\"1sdooog\" data-start=\"1682\" data-end=\"1730\"\u003eProduct Destination: Square D NF Panelboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1oyz3ud\" data-start=\"1732\" data-end=\"1756\"\u003eInterrupting Ratings\u003c\/h3\u003e\n\u003cul data-start=\"1758\" data-end=\"1812\"\u003e\n\u003cli data-section-id=\"qhbcdc\" data-start=\"1758\" data-end=\"1775\"\u003e65kA @ 277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"r1iv8\" data-start=\"1776\" data-end=\"1793\"\u003e65kA @ 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"7zbcvn\" data-start=\"1794\" data-end=\"1812\"\u003e100kA @ 120VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bpec4l\" data-start=\"1814\" data-end=\"1828\"\u003eDimensions\u003c\/h3\u003e\n\u003cul data-start=\"1830\" data-end=\"1905\"\u003e\n\u003cli data-section-id=\"8klmmu\" data-start=\"1830\" data-end=\"1849\"\u003eHeight: 5.66 in\u003c\/li\u003e\n\u003cli data-section-id=\"1umlbzf\" data-start=\"1850\" data-end=\"1868\"\u003eWidth: 0.98 in\u003c\/li\u003e\n\u003cli data-section-id=\"rqffds\" data-start=\"1869\" data-end=\"1887\"\u003eDepth: 4.05 in\u003c\/li\u003e\n\u003cli data-section-id=\"1c3k2wq\" data-start=\"1888\" data-end=\"1905\"\u003eWeight: 2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xldzoc\" data-start=\"1907\" data-end=\"1932\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1934\" data-end=\"2350\"\u003e\n\u003cli data-section-id=\"lu2r58\" data-start=\"1934\" data-end=\"1980\"\u003eE-Frame molded case circuit breaker design\u003c\/li\u003e\n\u003cli data-section-id=\"19ve5o9\" data-start=\"1981\" data-end=\"2053\"\u003eThermal-magnetic trip unit for overload and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"a1ayo\" data-start=\"2054\" data-end=\"2100\"\u003eLong-time and instantaneous trip functions\u003c\/li\u003e\n\u003cli data-section-id=\"1wogizv\" data-start=\"2101\" data-end=\"2135\"\u003eBolt-on mounting configuration\u003c\/li\u003e\n\u003cli data-section-id=\"pxhvl1\" data-start=\"2136\" data-end=\"2193\"\u003eVisual trip indicator for quick status identification\u003c\/li\u003e\n\u003cli data-section-id=\"1cbrnjo\" data-start=\"2194\" data-end=\"2229\"\u003eAluminum lug terminals included\u003c\/li\u003e\n\u003cli data-section-id=\"wdw8vp\" data-start=\"2230\" data-end=\"2263\"\u003eCalibrated for 40°C operation\u003c\/li\u003e\n\u003cli data-section-id=\"1tiy6x8\" data-start=\"2264\" data-end=\"2308\"\u003eDesigned for NF panelboard installations\u003c\/li\u003e\n\u003cli data-section-id=\"yypxk4\" data-start=\"2309\" data-end=\"2350\"\u003eHID-rated and HACR-rated construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"i46vpi\" data-start=\"2352\" data-end=\"2382\"\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"2384\" data-end=\"2548\"\u003e\n\u003cli data-section-id=\"1cekimu\" data-start=\"2384\" data-end=\"2411\"\u003eLine Rated Current: 30A\u003c\/li\u003e\n\u003cli data-section-id=\"18b42ck\" data-start=\"2412\" data-end=\"2449\"\u003eMaximum Operating Voltage: 277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"15g5ejr\" data-start=\"2450\" data-end=\"2475\"\u003eHolding Current: 270A\u003c\/li\u003e\n\u003cli data-section-id=\"mmmm6o\" data-start=\"2476\" data-end=\"2502\"\u003eTrip Unit Rating: 875A\u003c\/li\u003e\n\u003cli data-section-id=\"ftvtt1\" data-start=\"2503\" data-end=\"2548\"\u003eProtection Type: Short-Circuit \/ Overload\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"luma9c\" data-start=\"2550\" data-end=\"2564\"\u003eWire Range\u003c\/h3\u003e\n\u003cul data-start=\"2566\" data-end=\"2631\"\u003e\n\u003cli data-section-id=\"4aoqbm\" data-start=\"2566\" data-end=\"2599\"\u003eAluminum Conductors: AWG 12–6\u003c\/li\u003e\n\u003cli data-section-id=\"1hcr6lx\" data-start=\"2600\" data-end=\"2631\"\u003eCopper Conductors: AWG 14–6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2633\" data-end=\"2649\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2651\" data-end=\"2859\"\u003e\n\u003cli data-section-id=\"ov2tsh\" data-start=\"2651\" data-end=\"2697\"\u003eCommercial electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"132ucrr\" data-start=\"2698\" data-end=\"2741\"\u003eIndustrial power distribution equipment\u003c\/li\u003e\n\u003cli data-section-id=\"yo86gq\" data-start=\"2742\" data-end=\"2771\"\u003eHVAC equipment protection\u003c\/li\u003e\n\u003cli data-section-id=\"abxt4k\" data-start=\"2772\" data-end=\"2797\"\u003eHID lighting circuits\u003c\/li\u003e\n\u003cli data-section-id=\"1jabemj\" data-start=\"2798\" data-end=\"2827\"\u003eBranch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"tdkmxw\" data-start=\"2828\" data-end=\"2859\"\u003eNF panelboard installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"131luvw\" data-start=\"2861\" data-end=\"2886\"\u003eStandards \u0026amp; Approvals\u003c\/h3\u003e\n\u003cul data-start=\"2888\" data-end=\"3122\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"2888\" data-end=\"2901\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"3h4a0l\" data-start=\"2902\" data-end=\"2918\"\u003eCSA Approved\u003c\/li\u003e\n\u003cli data-section-id=\"1uyovzg\" data-start=\"2919\" data-end=\"2932\"\u003eHID Rated\u003c\/li\u003e\n\u003cli data-section-id=\"mq9pch\" data-start=\"2933\" data-end=\"2947\"\u003eHACR Rated\u003c\/li\u003e\n\u003cli data-section-id=\"1fan452\" data-start=\"2948\" data-end=\"3047\"\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=\"gh295n\" data-start=\"3048\" data-end=\"3122\" data-is-last-node=\"\"\u003eManufactured to EJB Series specifications for NF panelboard 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":48530474533113,"sku":"EJB14030","price":142.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/30_9d8fe453-5c52-45d6-ad4c-d8086d7f646d.webp?v=1781498577","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-ejb14030-bolt-on-molded-case-circuit-breaker-1-pole-30a-277vac-thermal-magnetic","provider":"My Circuit Breakers","version":"1.0","type":"link"}