{"product_id":"square-d-8903lg40v04-lighting-contactor-class-8903-type-l-4-pole-30a-3-phase-277vac-coil-nema-1-enclosed","title":"Square D 8903LG40V04 Lighting Contactor – Class 8903 – Type L – 4 Pole – 30A – 3 Phase – 277VAC Coil – NEMA 1 Enclosed","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a2c6c7b-dadc-83ee-836d-bab47f4a669c-8\" 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-6a2c6c7b-dadc-83ee-836d-bab47f4a669c-8\" data-turn-id-container=\"request-6a2c6c7b-dadc-83ee-836d-bab47f4a669c-8\" data-testid=\"conversation-turn-146\" 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=\"6362518a-bbe2-4f9b-a5ab-3ab3ca1d3415\" 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=\"142\" data-end=\"541\"\u003eThe Square D 8903LG40V04 is a Class 8903 electrically held multipole lighting contactor designed for reliable switching of lighting and general-purpose electrical loads. 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 under the Square D brand, it is commonly used in commercial and industrial lighting control systems where multi-circuit control and durability are required.\u003c\/p\u003e\n\u003cp data-start=\"543\" data-end=\"836\"\u003eThis 4-pole, 30A contactor is rated for 600VAC switching and features a 277VAC control coil, making it suitable for lighting systems that operate on higher control voltages commonly found in commercial installations. It is supplied in a complete NEMA Type 1 enclosure for safe indoor mounting.\u003c\/p\u003e\n\u003ch3 data-section-id=\"e5mrjc\" data-start=\"838\" data-end=\"858\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"860\" data-end=\"1260\"\u003e\n\u003cli data-section-id=\"dvbc8b\" data-start=\"860\" data-end=\"879\"\u003eBrand: Square D\u003c\/li\u003e\n\u003cli data-section-id=\"1cbt5xb\" data-start=\"880\" data-end=\"935\"\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=\"93igvy\" data-start=\"936\" data-end=\"964\"\u003ePart Number: 8903LG40V04\u003c\/li\u003e\n\u003cli data-section-id=\"1joqj36\" data-start=\"965\" data-end=\"987\"\u003eSeries: Class 8903\u003c\/li\u003e\n\u003cli data-section-id=\"196qgqp\" data-start=\"988\" data-end=\"999\"\u003eType: L\u003c\/li\u003e\n\u003cli data-section-id=\"1cdtfm2\" data-start=\"1000\" data-end=\"1053\"\u003eCategory: Lighting Contactor \/ Magnetic Contactor\u003c\/li\u003e\n\u003cli data-section-id=\"1uff3vr\" data-start=\"1054\" data-end=\"1079\"\u003eConfiguration: 4 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"pvjmxy\" data-start=\"1080\" data-end=\"1098\"\u003ePhase: 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"7spoqh\" data-start=\"1099\" data-end=\"1122\"\u003eCurrent Rating: 30A\u003c\/li\u003e\n\u003cli data-section-id=\"1t5slu\" data-start=\"1123\" data-end=\"1149\"\u003eVoltage Rating: 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1v2yl6g\" data-start=\"1150\" data-end=\"1174\"\u003eCoil Voltage: 277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1toc96u\" data-start=\"1175\" data-end=\"1212\"\u003eOperation Type: Electrically Held\u003c\/li\u003e\n\u003cli data-section-id=\"4296v\" data-start=\"1213\" data-end=\"1260\"\u003eEnclosure Type: NEMA Type 1 (Enclosed Unit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"l2e26z\" data-start=\"1262\" data-end=\"1280\"\u003eConstruction\u003c\/h3\u003e\n\u003cul data-start=\"1282\" data-end=\"1504\"\u003e\n\u003cli data-section-id=\"4vk0ft\" data-start=\"1282\" data-end=\"1326\"\u003eHeavy-duty industrial lighting contactor\u003c\/li\u003e\n\u003cli data-section-id=\"js0kcz\" data-start=\"1327\" data-end=\"1383\"\u003eSilver alloy contact system for long electrical life\u003c\/li\u003e\n\u003cli data-section-id=\"1a2cs3g\" data-start=\"1384\" data-end=\"1422\"\u003eFactory-assembled NEMA 1 enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"1t0v5og\" data-start=\"1423\" data-end=\"1459\"\u003eScrew-clamp terminal connections\u003c\/li\u003e\n\u003cli data-section-id=\"qznu3n\" data-start=\"1460\" data-end=\"1504\"\u003eCompact, modular lighting control design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1i6jv5v\" data-start=\"1506\" data-end=\"1531\"\u003eDimensions \u0026amp; Weight\u003c\/h3\u003e\n\u003cul data-start=\"1533\" data-end=\"1608\"\u003e\n\u003cli data-section-id=\"2b2hhz\" data-start=\"1533\" data-end=\"1552\"\u003eHeight: 6.02 in\u003c\/li\u003e\n\u003cli data-section-id=\"1kb0imt\" data-start=\"1553\" data-end=\"1570\"\u003eWidth: 7.8 in\u003c\/li\u003e\n\u003cli data-section-id=\"qd6dgc\" data-start=\"1571\" data-end=\"1590\"\u003eDepth: 12.68 in\u003c\/li\u003e\n\u003cli data-section-id=\"mp0kvu\" data-start=\"1591\" data-end=\"1608\"\u003eWeight: 10 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"17tovxr\" data-start=\"1610\" data-end=\"1628\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1630\" data-end=\"1837\"\u003e\n\u003cli data-section-id=\"17a2k1o\" data-start=\"1630\" data-end=\"1669\"\u003eCommercial lighting control systems\u003c\/li\u003e\n\u003cli data-section-id=\"i9i50s\" data-start=\"1670\" data-end=\"1706\"\u003eIndustrial lighting distribution\u003c\/li\u003e\n\u003cli data-section-id=\"1j6n5ps\" data-start=\"1707\" data-end=\"1738\"\u003eBuilding automation systems\u003c\/li\u003e\n\u003cli data-section-id=\"cl6354\" data-start=\"1739\" data-end=\"1768\"\u003eEnergy management systems\u003c\/li\u003e\n\u003cli data-section-id=\"1b16vh\" data-start=\"1769\" data-end=\"1802\"\u003eHVAC auxiliary load switching\u003c\/li\u003e\n\u003cli data-section-id=\"768jwh\" data-start=\"1803\" data-end=\"1837\"\u003eMulti-circuit lighting control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"cmyhz3\" data-start=\"1839\" data-end=\"1871\"\u003eCertifications \u0026amp; Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1873\" data-end=\"2045\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"1873\" data-end=\"1886\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1ygh62h\" data-start=\"1887\" data-end=\"1904\"\u003eCSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"ytqgt0\" data-start=\"1905\" data-end=\"1940\"\u003eNEMA Type 1 compliant enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"mb07sp\" data-start=\"1941\" data-end=\"1992\"\u003eAuthentic Square D \/ Schneider Electric product\u003c\/li\u003e\n\u003cli data-section-id=\"2e69mm\" data-start=\"1993\" data-end=\"2045\" data-is-last-node=\"\"\u003eDesigned for Class 8903 lighting contactor systems\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":48527580299513,"sku":"8903LG40V04","price":665.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/8903LG40V04-new-1.webp?v=1781373252","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-8903lg40v04-lighting-contactor-class-8903-type-l-4-pole-30a-3-phase-277vac-coil-nema-1-enclosed","provider":"My Circuit Breakers","version":"1.0","type":"link"}