{"product_id":"square-d-lhl36300-300a-3p-mccb-plug-in-mount-600vac","title":"Square-D LHL36300 300A 3P MCCB – Plug-In Mount – 600VAC","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:3c7bdf1d-3d3b-48ed-9da5-ef5ceaf3e284-60\" class=\"\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-38\" data-turn-id-container=\"request-WEB:3c7bdf1d-3d3b-48ed-9da5-ef5ceaf3e284-60\" data-turn-id=\"request-WEB:3c7bdf1d-3d3b-48ed-9da5-ef5ceaf3e284-60\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\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)))]\"\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 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-turn-start-message=\"true\" 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-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"8fa572ff-8dfa-486f-8420-d98ec2543c12\" data-message-author-role=\"assistant\" 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-end=\"735\" data-start=\"110\"\u003eThe Square-D LHL36300 is a molded case circuit breaker designed for dependable protection of industrial and commercial electrical distribution systems. Featuring a 300A thermal magnetic non-interchangeable trip unit, this breaker provides reliable overload and short-circuit protection in demanding power applications. Built on the LHL frame platform, it incorporates a plug-in mounting configuration for simplified installation and maintenance. Its rugged 3-pole construction and high interrupting capacity make it suitable for applications requiring durable, high-performance circuit protection and operational reliability.\u003c\/p\u003e\n\u003ch2 data-end=\"770\" data-start=\"742\" data-section-id=\"1h0x0dv\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"770\" data-start=\"745\"\u003eProduct Specification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1077\" data-start=\"771\"\u003e\n\u003cli data-end=\"805\" data-start=\"771\" data-section-id=\"i1f7o7\"\u003eFrame type: LHL Frame (Type L)\u003c\/li\u003e\n\u003cli data-end=\"843\" data-start=\"806\" data-section-id=\"1i33qte\"\u003eRated current: 300 Ampere at 40°C\u003c\/li\u003e\n\u003cli data-end=\"871\" data-start=\"844\" data-section-id=\"9mc4zc\"\u003eNumber of poles: 3 Pole\u003c\/li\u003e\n\u003cli data-end=\"928\" data-start=\"872\" data-section-id=\"1b0tru4\"\u003eTrip unit type: Thermal Magnetic Non-interchangeable\u003c\/li\u003e\n\u003cli data-end=\"955\" data-start=\"929\" data-section-id=\"lfqrsz\"\u003eMounting type: Plug-In\u003c\/li\u003e\n\u003cli data-end=\"1020\" data-start=\"956\" data-section-id=\"9ws546\"\u003eTerminal configuration: Line and Load End Terminals Standard\u003c\/li\u003e\n\u003cli data-end=\"1047\" data-start=\"1021\" data-section-id=\"19mutrh\"\u003eManufacturer: Square-D\u003c\/li\u003e\n\u003cli data-end=\"1077\" data-start=\"1048\" data-section-id=\"1cy821i\"\u003eWarranty: 1 Year In-house\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1114\" data-start=\"1084\" data-section-id=\"15gb1ij\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1114\" data-start=\"1087\"\u003eTechnical Specification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1458\" data-start=\"1115\"\u003e\n\u003cli data-end=\"1140\" data-start=\"1115\" data-section-id=\"1lzsgbq\"\u003eTrip range: 1500–3000\u003c\/li\u003e\n\u003cli data-end=\"1204\" data-start=\"1141\" data-section-id=\"144serl\"\u003eProtection functions: Overload and Short Circuit Protection\u003c\/li\u003e\n\u003cli data-end=\"1246\" data-start=\"1205\" data-section-id=\"jv5qqp\"\u003eOperating mechanism: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-end=\"1287\" data-start=\"1247\" data-section-id=\"144dw6b\"\u003eLug type: Standard Line and Load End\u003c\/li\u003e\n\u003cli data-end=\"1362\" data-start=\"1288\" data-section-id=\"8fjwmy\"\u003eApplication: Industrial and commercial electrical distribution systems\u003c\/li\u003e\n\u003cli data-end=\"1458\" data-start=\"1363\" data-section-id=\"14gcrcv\"\u003eMechanical construction: Heavy-duty MCCB design for enhanced durability and fault endurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1491\" data-start=\"1465\" data-section-id=\"hpn9aw\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1491\" data-start=\"1468\"\u003eVoltage and Ratings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1739\" data-start=\"1492\"\u003e\n\u003cli data-end=\"1542\" data-start=\"1492\" data-section-id=\"1w2n2me\"\u003eRated operational voltage: 240 \/ 480 \/ 600 VAC\u003c\/li\u003e\n\u003cli data-end=\"1571\" data-start=\"1543\" data-section-id=\"256yka\"\u003eMaximum voltage: 600 VAC\u003c\/li\u003e\n\u003cli data-end=\"1595\" data-start=\"1572\" data-section-id=\"1gofju0\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-end=\"1686\" data-start=\"1596\" data-section-id=\"ie8n1j\"\u003eInterrupting capacity:\n\u003cul data-end=\"1686\" data-start=\"1623\"\u003e\n\u003cli data-end=\"1642\" data-start=\"1623\" data-section-id=\"18kwx6r\"\u003e65 kA @ 240 VAC\u003c\/li\u003e\n\u003cli data-end=\"1664\" data-start=\"1645\" data-section-id=\"13hbuks\"\u003e35 kA @ 480 VAC\u003c\/li\u003e\n\u003cli data-end=\"1686\" data-start=\"1667\" data-section-id=\"5qa87a\"\u003e35 kA @ 600 VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1739\" data-start=\"1687\" data-section-id=\"19gqqf3\"\u003eInsulation level: Industrial-grade MCCB standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1765\" data-start=\"1746\" data-section-id=\"n53vge\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1765\" data-start=\"1749\"\u003eProduct Data\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2053\" data-start=\"1766\"\u003e\n\u003cli data-end=\"1793\" data-start=\"1766\" data-section-id=\"5jmd60\"\u003eProduct model: LHL36300\u003c\/li\u003e\n\u003cli data-end=\"1813\" data-start=\"1794\" data-section-id=\"1ihxitd\"\u003eBrand: Square-D\u003c\/li\u003e\n\u003cli data-end=\"1839\" data-start=\"1814\" data-section-id=\"129wxxb\"\u003eFrame size: LHL Frame\u003c\/li\u003e\n\u003cli data-end=\"1858\" data-start=\"1840\" data-section-id=\"14t05s8\"\u003eAmperage: 300A\u003c\/li\u003e\n\u003cli data-end=\"1876\" data-start=\"1859\" data-section-id=\"kdtmuq\"\u003ePoles: 3 Pole\u003c\/li\u003e\n\u003cli data-end=\"1905\" data-start=\"1877\" data-section-id=\"1gtblq0\"\u003eConnection type: Plug-In\u003c\/li\u003e\n\u003cli data-end=\"1969\" data-start=\"1906\" data-section-id=\"1c7gfym\"\u003eApplication type: Power distribution and circuit protection\u003c\/li\u003e\n\u003cli data-end=\"2053\" data-start=\"1970\" data-section-id=\"1i6jg3b\"\u003eAccessories compatibility: Supported and configurable per customer requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2081\" data-start=\"2060\" data-section-id=\"1yremwj\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2081\" data-start=\"2063\"\u003eImportant Note\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2570\" data-start=\"2082\"\u003eThis product image represents a standard base model and is intended for identification purposes only. Actual product configuration, accessories, and installation setup may vary depending on customer requirements and application specifications. Accessories ordered together with the breaker can be installed at no additional cost when installation details are provided during checkout. Always verify technical compatibility and application suitability before installation or commissioning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"New surplus","offer_id":48407260299513,"sku":"LHL36300-NS","price":3699.0,"currency_code":"USD","in_stock":true},{"title":"Certified Reconditioned","offer_id":48407260332281,"sku":"LHL36300-CR","price":2199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/lhl36300.webp?v=1778924015","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-lhl36300-300a-3p-mccb-plug-in-mount-600vac","provider":"My Circuit Breakers","version":"1.0","type":"link"}