{"product_id":"siemens-3va5120-6ed31-0aa0-molded-case-circuit-breaker-20a-3-pole-600v-3va51-frame","title":"Siemens 3VA5120-6ED31-0AA0 Molded Case Circuit Breaker – 20A – 3 Pole – 600V – 3VA51 Frame","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:2e8d5622-379a-4098-a967-b46a34faaf82-36\" 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-WEB:2e8d5622-379a-4098-a967-b46a34faaf82-36\" data-turn-id-container=\"request-WEB:2e8d5622-379a-4098-a967-b46a34faaf82-36\" data-testid=\"conversation-turn-4\" 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=\"7f028875-b362-4380-998e-2086efb40e50\" 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=\"123\" data-end=\"355\"\u003eThe Siemens 3VA5120-6ED31-0AA0 is a 3-pole molded case circuit breaker from the Siemens 3VA51 series, designed for low-voltage power distribution systems requiring high interrupting capacity and reliable thermal-magnetic protection.\u003c\/p\u003e\n\u003cp data-start=\"357\" data-end=\"705\"\u003eThis breaker features a compact 3VA51 frame with a high-performance Class H breaking capacity, making it suitable for industrial and commercial applications where fault levels are elevated. It is equipped with a TM210 thermal-magnetic trip unit with fixed long-time (Ir) and instantaneous (Ii) protection settings for dependable circuit protection.\u003c\/p\u003e\n\u003ch2 data-section-id=\"rr2tgs\" data-start=\"712\" data-end=\"736\"\u003e\u003cspan role=\"text\"\u003eElectrical Rating\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"738\" data-end=\"994\"\u003e\n\u003cli data-section-id=\"16e3u35\" data-start=\"738\" data-end=\"769\"\u003e\n\u003cstrong data-start=\"740\" data-end=\"759\"\u003eCurrent Rating:\u003c\/strong\u003e 20 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"k7crr\" data-start=\"770\" data-end=\"835\"\u003e\n\u003cstrong data-start=\"772\" data-end=\"792\"\u003eMaximum Voltage:\u003c\/strong\u003e 600 VAC (600Y\/347 VAC systems supported)\u003c\/li\u003e\n\u003cli data-section-id=\"rta89k\" data-start=\"836\" data-end=\"867\"\u003e\n\u003cstrong data-start=\"838\" data-end=\"858\"\u003eNumber of Poles:\u003c\/strong\u003e 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"2m1oe9\" data-start=\"868\" data-end=\"890\"\u003e\n\u003cstrong data-start=\"870\" data-end=\"880\"\u003ePhase:\u003c\/strong\u003e 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"18uiklz\" data-start=\"891\" data-end=\"916\"\u003e\n\u003cstrong data-start=\"893\" data-end=\"908\"\u003eFrame Type:\u003c\/strong\u003e 3VA51\u003c\/li\u003e\n\u003cli data-section-id=\"firjah\" data-start=\"917\" data-end=\"994\"\u003e\n\u003cstrong data-start=\"919\" data-end=\"945\"\u003eInterrupting Capacity:\u003c\/strong\u003e\n\u003cul data-start=\"948\" data-end=\"994\"\u003e\n\u003cli data-section-id=\"ga5ma1\" data-start=\"948\" data-end=\"967\"\u003e65 kA @ 480 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1juu1fl\" data-start=\"970\" data-end=\"994\"\u003e25 kA @ 600Y\/347 VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"10od2gs\" data-start=\"1001\" data-end=\"1026\"\u003e\u003cspan role=\"text\"\u003eKey Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1028\" data-end=\"1367\"\u003e\n\u003cli data-section-id=\"tts9i0\" data-start=\"1028\" data-end=\"1063\"\u003e\n\u003cstrong data-start=\"1030\" data-end=\"1047\"\u003eManufacturer:\u003c\/strong\u003e Siemens \/ ITE\u003c\/li\u003e\n\u003cli data-section-id=\"142oqj9\" data-start=\"1064\" data-end=\"1106\"\u003e\n\u003cstrong data-start=\"1066\" data-end=\"1085\"\u003eCatalog Number:\u003c\/strong\u003e 3VA5120-6ED31-0AA0\u003c\/li\u003e\n\u003cli data-section-id=\"15an0cg\" data-start=\"1107\" data-end=\"1126\"\u003e\n\u003cstrong data-start=\"1109\" data-end=\"1120\"\u003eFamily:\u003c\/strong\u003e 3VA\u003c\/li\u003e\n\u003cli data-section-id=\"1kvefx4\" data-start=\"1127\" data-end=\"1182\"\u003e\n\u003cstrong data-start=\"1129\" data-end=\"1145\"\u003eDevice Type:\u003c\/strong\u003e Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"tj9mm9\" data-start=\"1183\" data-end=\"1207\"\u003e\n\u003cstrong data-start=\"1185\" data-end=\"1199\"\u003eTrip Unit:\u003c\/strong\u003e TM210\u003c\/li\u003e\n\u003cli data-section-id=\"12rvexo\" data-start=\"1208\" data-end=\"1249\"\u003e\n\u003cstrong data-start=\"1210\" data-end=\"1230\"\u003eProtection Type:\u003c\/strong\u003e Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1y4q6fd\" data-start=\"1250\" data-end=\"1272\"\u003e\n\u003cstrong data-start=\"1252\" data-end=\"1266\"\u003eFunctions:\u003c\/strong\u003e NGC\u003c\/li\u003e\n\u003cli data-section-id=\"jr6zs\" data-start=\"1273\" data-end=\"1307\"\u003e\n\u003cstrong data-start=\"1275\" data-end=\"1295\"\u003eConnection Type:\u003c\/strong\u003e Feed-Thru\u003c\/li\u003e\n\u003cli data-section-id=\"cp9cok\" data-start=\"1308\" data-end=\"1367\"\u003e\n\u003cstrong data-start=\"1310\" data-end=\"1328\"\u003eLug Provision:\u003c\/strong\u003e Without lugs (special configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1iqro08\" data-start=\"1374\" data-end=\"1407\"\u003e\u003cspan role=\"text\"\u003eProtection \u003cstrong data-start=\"1377\" data-end=\"1407\"\u003eCharacteristics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1409\" data-end=\"1813\"\u003e\n\u003cli data-section-id=\"197wljb\" data-start=\"1409\" data-end=\"1482\"\u003eThermal-magnetic protection for overload and short-circuit conditions\u003c\/li\u003e\n\u003cli data-section-id=\"1b5cu1e\" data-start=\"1483\" data-end=\"1538\"\u003eFixed long-time pickup (Ir) for overload protection\u003c\/li\u003e\n\u003cli data-section-id=\"1leg2o9\" data-start=\"1539\" data-end=\"1608\"\u003eFixed instantaneous pickup (Ii) for high-speed fault interruption\u003c\/li\u003e\n\u003cli data-section-id=\"9sbt9s\" data-start=\"1609\" data-end=\"1686\"\u003eHigh interrupting capacity suitable for demanding industrial fault levels\u003c\/li\u003e\n\u003cli data-section-id=\"12vv2wc\" data-start=\"1687\" data-end=\"1747\"\u003eReliable protection for feeder and distribution circuits\u003c\/li\u003e\n\u003cli data-section-id=\"1oqvg13\" data-start=\"1748\" data-end=\"1813\"\u003eStable performance under high inrush and transient conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"lmn7v\" data-start=\"1820\" data-end=\"1857\"\u003e\u003cspan role=\"text\"\u003eConstruction \u0026amp; Design Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1859\" data-end=\"2195\"\u003e\n\u003cli data-section-id=\"xhm7ca\" data-start=\"1859\" data-end=\"1897\"\u003eCompact Siemens 3VA51 frame design\u003c\/li\u003e\n\u003cli data-section-id=\"wsxben\" data-start=\"1898\" data-end=\"1964\"\u003eHigh-breaking Class H construction for enhanced fault handling\u003c\/li\u003e\n\u003cli data-section-id=\"1ty7jc\" data-start=\"1965\" data-end=\"2029\"\u003eFeed-thru connection configuration for flexible installation\u003c\/li\u003e\n\u003cli data-section-id=\"xtfhf2\" data-start=\"2030\" data-end=\"2068\"\u003eFactory-configured TM210 trip unit\u003c\/li\u003e\n\u003cli data-section-id=\"50qu9d\" data-start=\"2069\" data-end=\"2139\"\u003eDurable molded case housing for mechanical strength and insulation\u003c\/li\u003e\n\u003cli data-section-id=\"10i8rpt\" data-start=\"2140\" data-end=\"2195\"\u003eDesigned for panelboard and switchboard integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1j5wyw0\" data-start=\"2202\" data-end=\"2228\"\u003e\u003cspan role=\"text\"\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2230\" data-end=\"2623\"\u003e\n\u003cli data-section-id=\"s01cks\" data-start=\"2230\" data-end=\"2307\"\u003eHigh interrupting capacity improves system safety during fault conditions\u003c\/li\u003e\n\u003cli data-section-id=\"nusv0a\" data-start=\"2308\" data-end=\"2386\"\u003eReliable thermal-magnetic protection without need for external electronics\u003c\/li\u003e\n\u003cli data-section-id=\"t0v8f7\" data-start=\"2387\" data-end=\"2441\"\u003eCompact footprint for space-efficient panel design\u003c\/li\u003e\n\u003cli data-section-id=\"1t9t8mn\" data-start=\"2442\" data-end=\"2501\"\u003eSuitable for modernization and replacement applications\u003c\/li\u003e\n\u003cli data-section-id=\"1l7q3kx\" data-start=\"2502\" data-end=\"2570\"\u003eConsistent performance in industrial and commercial environments\u003c\/li\u003e\n\u003cli data-section-id=\"lhw4id\" data-start=\"2571\" data-end=\"2623\"\u003eSupports high fault current distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1kv4fuo\" data-start=\"2630\" data-end=\"2661\"\u003e\u003cspan role=\"text\"\u003eMounting \u0026amp; Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2663\" data-end=\"2893\"\u003e\n\u003cli data-section-id=\"1xczrln\" data-start=\"2663\" data-end=\"2729\"\u003eCompatible with Siemens 3VA panelboard and switchboard systems\u003c\/li\u003e\n\u003cli data-section-id=\"h23wn5\" data-start=\"2730\" data-end=\"2766\"\u003eFeed-thru mounting configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1qkvhcx\" data-start=\"2767\" data-end=\"2828\"\u003eSuitable for distribution panels, MCCs, and power systems\u003c\/li\u003e\n\u003cli data-section-id=\"1hrb63h\" data-start=\"2829\" data-end=\"2893\"\u003eDesigned for low-voltage industrial electrical installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"k0zlak\" data-start=\"2900\" data-end=\"2919\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2903\" data-end=\"2919\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2921\" data-end=\"3177\"\u003e\n\u003cli data-section-id=\"n7lx3w\" data-start=\"2921\" data-end=\"2962\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"ulpflr\" data-start=\"2963\" data-end=\"2995\"\u003eCommercial electrical panels\u003c\/li\u003e\n\u003cli data-section-id=\"1q2reqe\" data-start=\"2996\" data-end=\"3021\"\u003eMotor feeder circuits\u003c\/li\u003e\n\u003cli data-section-id=\"q5377l\" data-start=\"3022\" data-end=\"3054\"\u003eBranch and feeder protection\u003c\/li\u003e\n\u003cli data-section-id=\"18h32zm\" data-start=\"3055\" data-end=\"3086\"\u003eHVAC and mechanical systems\u003c\/li\u003e\n\u003cli data-section-id=\"gq261l\" data-start=\"3087\" data-end=\"3127\"\u003eHigh fault level electrical networks\u003c\/li\u003e\n\u003cli data-section-id=\"q72dax\" data-start=\"3128\" data-end=\"3177\"\u003eRetrofit and replacement breaker applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"n53vge\" data-start=\"3184\" data-end=\"3203\"\u003e\u003cspan role=\"text\"\u003eProduct Data\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"3205\" data-end=\"3443\"\u003e\n\u003cli data-section-id=\"tts9i0\" data-start=\"3205\" data-end=\"3240\"\u003e\n\u003cstrong data-start=\"3207\" data-end=\"3224\"\u003eManufacturer:\u003c\/strong\u003e Siemens \/ ITE\u003c\/li\u003e\n\u003cli data-section-id=\"bhqlzl\" data-start=\"3241\" data-end=\"3280\"\u003e\n\u003cstrong data-start=\"3243\" data-end=\"3259\"\u003ePart Number:\u003c\/strong\u003e 3VA5120-6ED31-0AA0\u003c\/li\u003e\n\u003cli data-section-id=\"izqsnf\" data-start=\"3281\" data-end=\"3337\"\u003e\n\u003cstrong data-start=\"3283\" data-end=\"3300\"\u003eProduct Type:\u003c\/strong\u003e Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"1xahpyh\" data-start=\"3338\" data-end=\"3359\"\u003e\n\u003cstrong data-start=\"3340\" data-end=\"3351\"\u003eSeries:\u003c\/strong\u003e 3VA51\u003c\/li\u003e\n\u003cli data-section-id=\"tj9mm9\" data-start=\"3360\" data-end=\"3384\"\u003e\n\u003cstrong data-start=\"3362\" data-end=\"3376\"\u003eTrip Unit:\u003c\/strong\u003e TM210\u003c\/li\u003e\n\u003cli data-section-id=\"16p2s6c\" data-start=\"3385\" data-end=\"3421\"\u003e\n\u003cstrong data-start=\"3387\" data-end=\"3402\"\u003eProtection:\u003c\/strong\u003e Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"4h7p0y\" data-start=\"3422\" data-end=\"3443\"\u003e\n\u003cstrong data-start=\"3424\" data-end=\"3434\"\u003ePoles:\u003c\/strong\u003e 3 Pole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\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":"Siemens \/ ITE","offers":[{"title":"NEW","offer_id":48486194086137,"sku":"3VA5120-6ED31-0AA0","price":512.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1111_34ae9fcb-4aee-4ea4-bca0-7130dceb5c97.webp?v=1780588835","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-3va5120-6ed31-0aa0-molded-case-circuit-breaker-20a-3-pole-600v-3va51-frame","provider":"My Circuit Breakers","version":"1.0","type":"link"}