{"product_id":"mitsubishi-m80-built-in-spindle-motor-sj-2b4004t-copy","title":"Mitsubishi M80 Built-IN Spindle Motor SJ-2B4003Т","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" 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-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-testid=\"conversation-turn-216\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--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-message-author-role=\"assistant\" data-message-id=\"b4fe0dba-736f-472a-8dbf-905adcd280c1\" 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\"\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 light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"80hmvs\" data-start=\"0\" data-end=\"39\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3\" data-end=\"39\"\u003eSJ-2B4004T (Mitsubishi Electric)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"41\" data-end=\"343\"\u003e\u003cstrong data-start=\"41\" data-end=\"55\"\u003eSJ-2B4004T\u003c\/strong\u003e is a Mitsubishi Electric \u003cstrong data-start=\"81\" data-end=\"122\"\u003eSJ-B series built-in AC spindle motor\u003c\/strong\u003e, used in \u003cstrong data-start=\"132\" data-end=\"195\"\u003elight-duty CNC machine tools and small spindle applications\u003c\/strong\u003e. It is part of the \u003cstrong data-start=\"215\" data-end=\"256\"\u003eSJ-2B compact built-in spindle family\u003c\/strong\u003e, designed for simple machining tasks, auxiliary spindles, and small machining centers.\u003c\/p\u003e\n\u003chr data-start=\"345\" data-end=\"348\"\u003e\n\u003ch1 data-section-id=\"1t8zeej\" data-start=\"350\" data-end=\"405\"\u003e🔧 Verified specifications (official Mitsubishi data)\u003c\/h1\u003e\n\u003cp data-start=\"407\" data-end=\"527\"\u003eFrom Mitsubishi SJ-B series documentation: \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"529\" data-end=\"1052\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"529\" data-end=\"550\"\u003e\n\u003ctr data-start=\"529\" data-end=\"550\"\u003e\n\u003cth data-start=\"529\" data-end=\"541\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"541\" data-end=\"550\" data-col-size=\"md\" class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"561\" data-end=\"1052\"\u003e\n\u003ctr data-start=\"561\" data-end=\"578\"\u003e\n\u003ctd data-start=\"561\" data-end=\"570\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"570\" data-end=\"578\" data-col-size=\"md\"\u003eSJ-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"579\" data-end=\"601\"\u003e\n\u003ctd data-start=\"579\" data-end=\"587\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"587\" data-end=\"601\" data-col-size=\"md\"\u003eSJ-2B4004T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"602\" data-end=\"643\"\u003e\n\u003ctd data-start=\"602\" data-end=\"628\" data-col-size=\"sm\"\u003eContinuous rated output\u003c\/td\u003e\n\u003ctd data-start=\"628\" data-end=\"643\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"630\" data-end=\"641\"\u003e0.75 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"644\" data-end=\"700\"\u003e\n\u003ctd data-start=\"644\" data-end=\"670\" data-col-size=\"sm\"\u003eShort-time rated output\u003c\/td\u003e\n\u003ctd data-start=\"670\" data-end=\"700\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"672\" data-end=\"698\"\u003e1.5 kW (15 min rating)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"701\" data-end=\"750\"\u003e\n\u003ctd data-start=\"701\" data-end=\"736\" data-col-size=\"sm\"\u003eAcceleration\/deceleration output\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"736\" data-end=\"750\"\u003e\u003cstrong data-start=\"738\" data-end=\"748\"\u003e1.5 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"751\" data-end=\"793\"\u003e\n\u003ctd data-start=\"751\" data-end=\"779\" data-col-size=\"sm\"\u003eActual accel\/decel output\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"779\" data-end=\"793\"\u003e\u003cstrong data-start=\"781\" data-end=\"791\"\u003e1.8 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"794\" data-end=\"832\"\u003e\n\u003ctd data-start=\"794\" data-end=\"816\" data-col-size=\"sm\"\u003eBase rotation speed\u003c\/td\u003e\n\u003ctd data-start=\"816\" data-end=\"832\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"818\" data-end=\"830\"\u003e3000 rpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"833\" data-end=\"867\"\u003e\n\u003ctd data-start=\"833\" data-end=\"849\" data-col-size=\"sm\"\u003eMaximum speed\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"849\" data-end=\"867\"\u003e\u003cstrong data-start=\"851\" data-end=\"865\"\u003e15,000 rpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"868\" data-end=\"913\"\u003e\n\u003ctd data-start=\"868\" data-end=\"896\" data-col-size=\"sm\"\u003eRated torque (continuous)\u003c\/td\u003e\n\u003ctd data-start=\"896\" data-end=\"913\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"898\" data-end=\"911\"\u003e~2.39 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"914\" data-end=\"951\"\u003e\n\u003ctd data-start=\"914\" data-end=\"934\" data-col-size=\"sm\"\u003eShort-time torque\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"934\" data-end=\"951\"\u003e\u003cstrong data-start=\"936\" data-end=\"949\"\u003e~4.77 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"952\" data-end=\"989\"\u003e\n\u003ctd data-start=\"952\" data-end=\"968\" data-col-size=\"sm\"\u003eRotor inertia\u003c\/td\u003e\n\u003ctd data-start=\"968\" data-end=\"989\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"970\" data-end=\"987\"\u003e0.00078 kg·m²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"990\" data-end=\"1052\"\u003e\n\u003ctd data-start=\"990\" data-end=\"1004\" data-col-size=\"sm\"\u003eFrame class\u003c\/td\u003e\n\u003ctd data-start=\"1004\" data-end=\"1052\" data-col-size=\"md\"\u003esmall built-in spindle (SJ-B compact series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1054\" data-end=\"1057\"\u003e\n\u003ch1 data-section-id=\"5ardlf\" data-start=\"1059\" data-end=\"1084\"\u003e🔧 Model code breakdown\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1086\" data-end=\"1309\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1086\" data-end=\"1109\"\u003e\n\u003ctr data-start=\"1086\" data-end=\"1109\"\u003e\n\u003cth data-start=\"1086\" data-end=\"1098\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eCode part\u003c\/th\u003e\n\u003cth data-start=\"1098\" data-end=\"1109\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1120\" data-end=\"1309\"\u003e\n\u003ctr data-start=\"1120\" data-end=\"1164\"\u003e\n\u003ctd data-start=\"1120\" data-end=\"1129\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1128\"\u003eSJ\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1129\" data-end=\"1164\" data-col-size=\"sm\"\u003eMitsubishi spindle motor family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1165\" data-end=\"1214\"\u003e\n\u003ctd data-start=\"1165\" data-end=\"1174\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1167\" data-end=\"1173\"\u003e2B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1174\" data-end=\"1214\" data-col-size=\"sm\"\u003eSJ-B compact built-in spindle series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1215\" data-end=\"1257\"\u003e\n\u003ctd data-start=\"1215\" data-end=\"1226\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1217\" data-end=\"1225\"\u003e4004\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1226\" data-end=\"1257\" data-col-size=\"sm\"\u003e0.75 kW class motor variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1258\" data-end=\"1309\"\u003e\n\u003ctd data-start=\"1258\" data-end=\"1266\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1260\" data-end=\"1265\"\u003eT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1266\" data-end=\"1309\" data-col-size=\"sm\"\u003eterminal \/ connector configuration type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1311\" data-end=\"1314\"\u003eSo:\u003c\/p\u003e\n\u003cblockquote data-start=\"1315\" data-end=\"1396\"\u003e\n\u003cp data-start=\"1317\" data-end=\"1396\"\u003e\u003cstrong data-start=\"1317\" data-end=\"1396\"\u003eSJ-2B4004T = 0.75 kW compact built-in spindle motor for light CNC machining\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1398\" data-end=\"1401\"\u003e\n\u003ch1 data-section-id=\"1fs0p01\" data-start=\"1403\" data-end=\"1435\"\u003e⚙️ What this motor is used for\u003c\/h1\u003e\n\u003cp data-start=\"1437\" data-end=\"1469\"\u003eSJ-2B4004T is typically used in:\u003c\/p\u003e\n\u003cul data-start=\"1471\" data-end=\"1647\"\u003e\n\u003cli data-section-id=\"lhqczl\" data-start=\"1471\" data-end=\"1502\"\u003esmall CNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"13211to\" data-start=\"1503\" data-end=\"1542\"\u003elight milling and drilling spindles\u003c\/li\u003e\n\u003cli data-section-id=\"ifc1xa\" data-start=\"1543\" data-end=\"1570\"\u003eauxiliary spindle units\u003c\/li\u003e\n\u003cli data-section-id=\"3d52ox\" data-start=\"1571\" data-end=\"1603\"\u003eprecision low-load machining\u003c\/li\u003e\n\u003cli data-section-id=\"12is3bu\" data-start=\"1604\" data-end=\"1647\"\u003ecompact high-speed tooling applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1649\" data-end=\"1652\"\u003e\n\u003ch1 data-section-id=\"1j26kvg\" data-start=\"1654\" data-end=\"1696\"\u003e⚖️ Position in Mitsubishi spindle lineup\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1698\" data-end=\"1911\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1698\" data-end=\"1715\"\u003e\n\u003ctr data-start=\"1698\" data-end=\"1715\"\u003e\n\u003cth data-start=\"1698\" data-end=\"1707\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSeries\u003c\/th\u003e\n\u003cth data-start=\"1707\" data-end=\"1715\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eRole\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1726\" data-end=\"1911\"\u003e\n\u003ctr data-start=\"1726\" data-end=\"1773\"\u003e\n\u003ctd data-start=\"1726\" data-end=\"1734\" data-col-size=\"sm\"\u003eSJ-2B\u003c\/td\u003e\n\u003ctd data-start=\"1734\" data-end=\"1773\" data-col-size=\"sm\"\u003ecompact low-power built-in spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1774\" data-end=\"1823\"\u003e\n\u003ctd data-start=\"1774\" data-end=\"1782\" data-col-size=\"sm\"\u003eSJ-BG\u003c\/td\u003e\n\u003ctd data-start=\"1782\" data-end=\"1823\" data-col-size=\"sm\"\u003emodern high-speed integrated spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1824\" data-end=\"1864\"\u003e\n\u003ctd data-start=\"1824\" data-end=\"1832\" data-col-size=\"sm\"\u003eSJ-DG\u003c\/td\u003e\n\u003ctd data-start=\"1832\" data-end=\"1864\" data-col-size=\"sm\"\u003ehigh-torque cutting spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1865\" data-end=\"1911\"\u003e\n\u003ctd data-start=\"1865\" data-end=\"1873\" data-col-size=\"sm\"\u003eSJ-DL\u003c\/td\u003e\n\u003ctd data-start=\"1873\" data-end=\"1911\" data-col-size=\"sm\"\u003ehigh-speed external spindle motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1913\" data-end=\"1916\"\u003e\n\u003ch1 data-section-id=\"qe0dqd\" data-start=\"1918\" data-end=\"1941\"\u003e🧠 Simple explanation\u003c\/h1\u003e\n\u003cp data-start=\"1943\" data-end=\"2118\"\u003e\u003cstrong data-start=\"1943\" data-end=\"2118\"\u003eSJ-2B4004T is a small 0.75 kW built-in spindle motor designed for light CNC machining, offering moderate speed and low cutting power for compact machine tool applications.\u003c\/strong\u003e\u003c\/p\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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"dcd3733d-372d-4c28-9127-625439857c1b\" 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-(--header-height)\" dir=\"auto\" data-turn-id=\"dcd3733d-372d-4c28-9127-625439857c1b\" data-turn-id-container=\"dcd3733d-372d-4c28-9127-625439857c1b\" data-testid=\"conversation-turn-217\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pt-12 [--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\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"user\" data-message-id=\"dcd3733d-372d-4c28-9127-625439857c1b\" dir=\"auto\" 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\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden items-end rtl:items-start\"\u003e\n\u003cdiv class=\"user-message-bubble-color corner-superellipse\/0.98 relative min-w-0 overflow-hidden rounded-[22px] px-4 py-2.5 leading-6 max-w-(--user-chat-width,70%)\"\u003e\n\u003cdiv class=\"max-w-full min-w-0 [overflow-wrap:anywhere] whitespace-pre-wrap\"\u003eSJ-2B4003Т\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex justify-end\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-18\" 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-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-18\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-18\" data-testid=\"conversation-turn-218\" 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 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=\"06a25628-d5cb-4c56-b382-bb6cbf1242d7\" data-turn-start-message=\"true\" 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\" 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 light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"1hcw3lr\" data-start=\"0\" data-end=\"39\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3\" data-end=\"39\"\u003eSJ-2B4003T (Mitsubishi Electric)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"41\" data-end=\"343\"\u003e\u003cstrong data-start=\"41\" data-end=\"55\"\u003eSJ-2B4003T\u003c\/strong\u003e is a Mitsubishi Electric \u003cstrong data-start=\"81\" data-end=\"122\"\u003eSJ-B series built-in AC spindle motor\u003c\/strong\u003e, used in \u003cstrong data-start=\"132\" data-end=\"205\"\u003elight CNC machining centers and small integrated spindle applications\u003c\/strong\u003e. It belongs to the \u003cstrong data-start=\"225\" data-end=\"263\"\u003ecompact SJ-2B spindle motor family\u003c\/strong\u003e, designed for low-to-medium power machining with built-in spindle construction.\u003c\/p\u003e\n\u003chr data-start=\"345\" data-end=\"348\"\u003e\n\u003ch1 data-section-id=\"1t8zeej\" data-start=\"350\" data-end=\"405\"\u003e🔧 Verified specifications (official Mitsubishi data)\u003c\/h1\u003e\n\u003cp data-start=\"407\" data-end=\"527\"\u003eFrom Mitsubishi SJ-B series documentation:\u003cbr data-start=\"449\" data-end=\"452\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"529\" data-end=\"1005\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"529\" data-end=\"550\"\u003e\n\u003ctr data-start=\"529\" data-end=\"550\"\u003e\n\u003cth data-start=\"529\" data-end=\"541\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"541\" data-end=\"550\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"561\" data-end=\"1005\"\u003e\n\u003ctr data-start=\"561\" data-end=\"578\"\u003e\n\u003ctd data-start=\"561\" data-end=\"570\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"570\" data-end=\"578\" data-col-size=\"sm\"\u003eSJ-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"579\" data-end=\"601\"\u003e\n\u003ctd data-start=\"579\" data-end=\"587\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"587\" data-end=\"601\" data-col-size=\"sm\"\u003eSJ-2B4003T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"602\" data-end=\"642\"\u003e\n\u003ctd data-start=\"602\" data-end=\"628\" data-col-size=\"sm\"\u003eContinuous rated output\u003c\/td\u003e\n\u003ctd data-start=\"628\" data-end=\"642\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"630\" data-end=\"640\"\u003e1.5 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"643\" data-end=\"699\"\u003e\n\u003ctd data-start=\"643\" data-end=\"669\" data-col-size=\"sm\"\u003eShort-time rated output\u003c\/td\u003e\n\u003ctd data-start=\"669\" data-end=\"699\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"671\" data-end=\"697\"\u003e2.2 kW (15 min rating)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"700\" data-end=\"744\"\u003e\n\u003ctd data-start=\"700\" data-end=\"730\" data-col-size=\"sm\"\u003eStandard accel\/decel output\u003c\/td\u003e\n\u003ctd data-start=\"730\" data-end=\"744\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"732\" data-end=\"742\"\u003e2.2 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"745\" data-end=\"788\"\u003e\n\u003ctd data-start=\"745\" data-end=\"773\" data-col-size=\"sm\"\u003eActual accel\/decel output\u003c\/td\u003e\n\u003ctd data-start=\"773\" data-end=\"788\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"775\" data-end=\"786\"\u003e2.64 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"789\" data-end=\"818\"\u003e\n\u003ctd data-start=\"789\" data-end=\"802\" data-col-size=\"sm\"\u003eBase speed\u003c\/td\u003e\n\u003ctd data-start=\"802\" data-end=\"818\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"804\" data-end=\"816\"\u003e3000 rpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"819\" data-end=\"853\"\u003e\n\u003ctd data-start=\"819\" data-end=\"835\" data-col-size=\"sm\"\u003eMaximum speed\u003c\/td\u003e\n\u003ctd data-start=\"835\" data-end=\"853\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"837\" data-end=\"851\"\u003e12,000 rpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"854\" data-end=\"890\"\u003e\n\u003ctd data-start=\"854\" data-end=\"874\" data-col-size=\"sm\"\u003eContinuous torque\u003c\/td\u003e\n\u003ctd data-start=\"874\" data-end=\"890\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"876\" data-end=\"888\"\u003e4.77 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"891\" data-end=\"926\"\u003e\n\u003ctd data-start=\"891\" data-end=\"911\" data-col-size=\"sm\"\u003eShort-time torque\u003c\/td\u003e\n\u003ctd data-start=\"911\" data-end=\"926\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"913\" data-end=\"924\"\u003e7.0 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"927\" data-end=\"964\"\u003e\n\u003ctd data-start=\"927\" data-end=\"943\" data-col-size=\"sm\"\u003eRotor inertia\u003c\/td\u003e\n\u003ctd data-start=\"943\" data-end=\"964\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"945\" data-end=\"962\"\u003e0.00138 kg·m²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"965\" data-end=\"1005\"\u003e\n\u003ctd data-start=\"965\" data-end=\"989\" data-col-size=\"sm\"\u003eCompatible drive unit\u003c\/td\u003e\n\u003ctd data-start=\"989\" data-end=\"1005\" data-col-size=\"sm\"\u003eMDS-D2-SP-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1007\" data-end=\"1010\"\u003e\n\u003ch1 data-section-id=\"5ardlf\" data-start=\"1012\" data-end=\"1037\"\u003e🔧 Model code breakdown\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1039\" data-end=\"1261\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1039\" data-end=\"1062\"\u003e\n\u003ctr data-start=\"1039\" data-end=\"1062\"\u003e\n\u003cth data-start=\"1039\" data-end=\"1051\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eCode part\u003c\/th\u003e\n\u003cth data-start=\"1051\" data-end=\"1062\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1073\" data-end=\"1261\"\u003e\n\u003ctr data-start=\"1073\" data-end=\"1117\"\u003e\n\u003ctd data-start=\"1073\" data-end=\"1082\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1081\"\u003eSJ\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1082\" data-end=\"1117\" data-col-size=\"sm\"\u003eMitsubishi spindle motor family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1118\" data-end=\"1167\"\u003e\n\u003ctd data-start=\"1118\" data-end=\"1127\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1120\" data-end=\"1126\"\u003e2B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1127\" data-end=\"1167\" data-col-size=\"sm\"\u003eSJ-B compact built-in spindle series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1168\" data-end=\"1209\"\u003e\n\u003ctd data-start=\"1168\" data-end=\"1179\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1170\" data-end=\"1178\"\u003e4003\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1179\" data-end=\"1209\" data-col-size=\"sm\"\u003e1.5 kW class motor variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1210\" data-end=\"1261\"\u003e\n\u003ctd data-start=\"1210\" data-end=\"1218\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1212\" data-end=\"1217\"\u003eT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1218\" data-end=\"1261\" data-col-size=\"sm\"\u003eterminal \/ connector configuration type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1263\" data-end=\"1266\"\u003eSo:\u003c\/p\u003e\n\u003cblockquote data-start=\"1267\" data-end=\"1347\"\u003e\n\u003cp data-start=\"1269\" data-end=\"1347\"\u003e\u003cstrong data-start=\"1269\" data-end=\"1347\"\u003eSJ-2B4003T = 1.5 kW compact built-in spindle motor for light CNC machining\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1349\" data-end=\"1352\"\u003e\n\u003ch1 data-section-id=\"6xmi0h\" data-start=\"1354\" data-end=\"1392\"\u003e⚙️ Where it sits in the SJ-2B family\u003c\/h1\u003e\n\u003cp data-start=\"1394\" data-end=\"1422\"\u003eCompared with nearby models:\u003c\/p\u003e\n\u003cul data-start=\"1424\" data-end=\"1641\"\u003e\n\u003cli data-section-id=\"16r18u9\" data-start=\"1424\" data-end=\"1465\"\u003eSJ-2B4002T → 0.4 kW (very light duty)\u003c\/li\u003e\n\u003cli data-section-id=\"1i99miu\" data-start=\"1466\" data-end=\"1520\"\u003e\u003cstrong data-start=\"1468\" data-end=\"1518\"\u003eSJ-2B4003T → 1.5 kW (balanced light machining)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1ql5xa4\" data-start=\"1521\" data-end=\"1597\"\u003eSJ-2B4004T → 0.75 kW (variant optimized differently in output structure)\u003c\/li\u003e\n\u003cli data-section-id=\"1oqau60\" data-start=\"1598\" data-end=\"1641\"\u003eSJ-2B4B01T → higher power class (~2.2 kW)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1643\" data-end=\"1707\"\u003eSo \u003cstrong data-start=\"1646\" data-end=\"1706\"\u003eSJ-2B4003T is one of the stronger compact SJ-2B spindles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1709\" data-end=\"1712\"\u003e\n\u003ch1 data-section-id=\"13bduas\" data-start=\"1714\" data-end=\"1739\"\u003e🏭 Typical applications\u003c\/h1\u003e\n\u003cp data-start=\"1741\" data-end=\"1763\"\u003eThis motor is used in:\u003c\/p\u003e\n\u003cul data-start=\"1765\" data-end=\"1931\"\u003e\n\u003cli data-section-id=\"lhqczl\" data-start=\"1765\" data-end=\"1796\"\u003esmall CNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"xarjcw\" data-start=\"1797\" data-end=\"1838\"\u003elight milling and drilling operations\u003c\/li\u003e\n\u003cli data-section-id=\"1s2ch2v\" data-start=\"1839\" data-end=\"1875\"\u003ecompact high-speed spindle units\u003c\/li\u003e\n\u003cli data-section-id=\"utpn5k\" data-start=\"1876\" data-end=\"1898\"\u003eauxiliary spindles\u003c\/li\u003e\n\u003cli data-section-id=\"3d52ox\" data-start=\"1899\" data-end=\"1931\"\u003eprecision low-load machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1933\" data-end=\"1967\"\u003eIt is selected when machines need:\u003c\/p\u003e\n\u003cul data-start=\"1969\" data-end=\"2121\"\u003e\n\u003cli data-section-id=\"13blwyf\" data-start=\"1969\" data-end=\"2007\"\u003e⚡ moderate power with compact size\u003c\/li\u003e\n\u003cli data-section-id=\"u1dukl\" data-start=\"2008\" data-end=\"2048\"\u003e🎯 stable precision at mid RPM range\u003c\/li\u003e\n\u003cli data-section-id=\"124ivxg\" data-start=\"2049\" data-end=\"2084\"\u003e🧩 built-in spindle integration\u003c\/li\u003e\n\u003cli data-section-id=\"h2ouos\" data-start=\"2085\" data-end=\"2121\"\u003e📉 low inertia for fast response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2123\" data-end=\"2126\"\u003e\n\u003ch1 data-section-id=\"1j26kvg\" data-start=\"2128\" data-end=\"2170\"\u003e⚖️ Position in Mitsubishi spindle lineup\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2172\" data-end=\"2381\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2172\" data-end=\"2189\"\u003e\n\u003ctr data-start=\"2172\" data-end=\"2189\"\u003e\n\u003cth data-start=\"2172\" data-end=\"2181\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSeries\u003c\/th\u003e\n\u003cth data-start=\"2181\" data-end=\"2189\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eRole\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2200\" data-end=\"2381\"\u003e\n\u003ctr data-start=\"2200\" data-end=\"2243\"\u003e\n\u003ctd data-start=\"2200\" data-end=\"2208\" data-col-size=\"sm\"\u003eSJ-2B\u003c\/td\u003e\n\u003ctd data-start=\"2208\" data-end=\"2243\" data-col-size=\"sm\"\u003ecompact built-in spindle motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2244\" data-end=\"2293\"\u003e\n\u003ctd data-start=\"2244\" data-end=\"2252\" data-col-size=\"sm\"\u003eSJ-BG\u003c\/td\u003e\n\u003ctd data-start=\"2252\" data-end=\"2293\" data-col-size=\"sm\"\u003emodern high-speed integrated spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2294\" data-end=\"2334\"\u003e\n\u003ctd data-start=\"2294\" data-end=\"2302\" data-col-size=\"sm\"\u003eSJ-DG\u003c\/td\u003e\n\u003ctd data-start=\"2302\" data-end=\"2334\" data-col-size=\"sm\"\u003ehigh-torque cutting spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2335\" data-end=\"2381\"\u003e\n\u003ctd data-start=\"2335\" data-end=\"2343\" data-col-size=\"sm\"\u003eSJ-DL\u003c\/td\u003e\n\u003ctd data-start=\"2343\" data-end=\"2381\" data-col-size=\"sm\"\u003eexternal high-speed spindle motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2383\" data-end=\"2386\"\u003e\n\u003ch1 data-section-id=\"qe0dqd\" data-start=\"2388\" data-end=\"2411\"\u003e🧠 Simple explanation\u003c\/h1\u003e\n\u003cp data-start=\"2413\" data-end=\"2583\"\u003e\u003cstrong data-start=\"2413\" data-end=\"2583\"\u003eSJ-2B4003T is a 1.5 kW built-in spindle motor designed for compact CNC machines, offering balanced light-duty cutting, fast response, and up to ~12,000 rpm operation.\u003c\/strong\u003e\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\n\u003c\/div\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45860910956680,"sku":"SJ-2B4003Т","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-05-18T130727.835.jpg?v=1779089856","url":"https:\/\/jjautomation.in\/products\/mitsubishi-m80-built-in-spindle-motor-sj-2b4004t-copy","provider":"JJAutomation","version":"1.0","type":"link"}