{"product_id":"siemens-3va5120-4ed21-0aa0-20a-2p-molded-case-circuit-breaker-panel-mount-480v-ac","title":"Siemens 3VA5120-4ED21-0AA0 20A 2P Molded Case Circuit Breaker – Panel Mount – 480V AC","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a20608c-b6f4-83e8-be64-4327a9d5d647-26\" 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-6a20608c-b6f4-83e8-be64-4327a9d5d647-26\" data-turn-id-container=\"request-6a20608c-b6f4-83e8-be64-4327a9d5d647-26\" data-testid=\"conversation-turn-100\" 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=\"0d859440-5669-413f-ae60-574460c1addc\" 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=\"96\" data-end=\"473\"\u003eThe Siemens 3VA5120-4ED21-0AA0 is a 20A, 2-pole molded case circuit breaker from the SENTRON 3VA5 series, designed for commercial and industrial power distribution systems. It features a TM210 thermal-magnetic trip unit with fixed thermal and fixed magnetic (FTFM) protection, providing reliable long-time and instantaneous overcurrent protection for sensitive branch circuits.\u003c\/p\u003e\n\u003cp data-start=\"475\" data-end=\"728\"\u003eThis breaker is designed for Siemens P2, P3, P4, and P5 panelboards and switchboards. With an appropriate mounting kit, it also serves as a replacement for legacy ED62B020 breakers. Its HACR rating makes it suitable for HVAC and motor load applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1v2p98c\" data-start=\"735\" data-end=\"757\"\u003eElectrical Ratings\u003c\/h3\u003e\n\u003cul data-start=\"758\" data-end=\"1051\"\u003e\n\u003cli data-section-id=\"onf09d\" data-start=\"758\" data-end=\"783\"\u003eCurrent Rating: 20 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"j0t8lj\" data-start=\"784\" data-end=\"872\"\u003eVoltage Ratings:\n\u003cul data-start=\"805\" data-end=\"872\"\u003e\n\u003cli data-section-id=\"hssmq2\" data-start=\"805\" data-end=\"814\"\u003e240 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"15ern7o\" data-start=\"817\" data-end=\"831\"\u003e480Y\/277 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1gr0eps\" data-start=\"834\" data-end=\"843\"\u003e480 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1i0rwdo\" data-start=\"846\" data-end=\"860\"\u003e600Y\/347 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"jp7bny\" data-start=\"863\" data-end=\"872\"\u003e250 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"54lx10\" data-start=\"873\" data-end=\"898\"\u003eNumber of Poles: 2-Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1fv4asu\" data-start=\"899\" data-end=\"915\"\u003ePhase: 1-Phase\u003c\/li\u003e\n\u003cli data-section-id=\"sts3j9\" data-start=\"916\" data-end=\"1030\"\u003eInterrupting Capacity:\n\u003cul data-start=\"943\" data-end=\"1030\"\u003e\n\u003cli data-section-id=\"1jofekj\" data-start=\"943\" data-end=\"960\"\u003e65 kA @ 240 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1uwocyx\" data-start=\"963\" data-end=\"985\"\u003e25 kA @ 480Y\/277 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"mhck5p\" data-start=\"988\" data-end=\"1005\"\u003e25 kA @ 480 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"46mfdv\" data-start=\"1008\" data-end=\"1030\"\u003e14 kA @ 600Y\/347 VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3tbl9m\" data-start=\"1031\" data-end=\"1051\"\u003eFrame\/Series: 3VA5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"152tit7\" data-start=\"1058\" data-end=\"1088\"\u003eTrip \u0026amp; Protection Features\u003c\/h3\u003e\n\u003cul data-start=\"1089\" data-end=\"1358\"\u003e\n\u003cli data-section-id=\"1vh5gzl\" data-start=\"1089\" data-end=\"1107\"\u003eTrip Unit: TM210\u003c\/li\u003e\n\u003cli data-section-id=\"54mr9t\" data-start=\"1108\" data-end=\"1143\"\u003eProtection Type: Thermal-Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"pdaszl\" data-start=\"1144\" data-end=\"1186\"\u003eFunctions: LI (Long-Time, Instantaneous)\u003c\/li\u003e\n\u003cli data-section-id=\"q6kh\" data-start=\"1187\" data-end=\"1235\"\u003eOverload Protection (Ir): 20A, permanently set\u003c\/li\u003e\n\u003cli data-section-id=\"3ach2m\" data-start=\"1236\" data-end=\"1285\"\u003eShort-Circuit Protection (Ii): Fixed at 10 × In\u003c\/li\u003e\n\u003cli data-section-id=\"1qonmdf\" data-start=\"1286\" data-end=\"1303\"\u003eHACR Rated: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"hdskf5\" data-start=\"1304\" data-end=\"1327\"\u003eCurrent Limiting: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"198p50v\" data-start=\"1328\" data-end=\"1358\"\u003eReverse Feed Capability: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"1365\" data-end=\"1387\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1388\" data-end=\"1637\"\u003e\n\u003cli data-section-id=\"e9thxf\" data-start=\"1388\" data-end=\"1404\"\u003eBrand: Siemens\u003c\/li\u003e\n\u003cli data-section-id=\"b1vr14\" data-start=\"1405\" data-end=\"1419\"\u003eSeries: 3VA5\u003c\/li\u003e\n\u003cli data-section-id=\"w3wtzm\" data-start=\"1420\" data-end=\"1453\"\u003ePart Number: 3VA5120-4ED21-0AA0\u003c\/li\u003e\n\u003cli data-section-id=\"z7zfom\" data-start=\"1454\" data-end=\"1493\"\u003eCategory: Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"1641neb\" data-start=\"1494\" data-end=\"1523\"\u003eMounting Style: Panel Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1aboq6b\" data-start=\"1524\" data-end=\"1545\"\u003eTerminal Type: Lugs\u003c\/li\u003e\n\u003cli data-section-id=\"nd6f6s\" data-start=\"1546\" data-end=\"1589\"\u003eAccessories: None (Nut keeper plate only)\u003c\/li\u003e\n\u003cli data-section-id=\"1a7gltm\" data-start=\"1590\" data-end=\"1637\"\u003eReplacement For: ED62B020 (with mounting kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"purqi0\" data-start=\"1644\" data-end=\"1661\"\u003eCompatibility\u003c\/h3\u003e\n\u003cul data-start=\"1662\" data-end=\"1791\"\u003e\n\u003cli data-section-id=\"1qk8e7z\" data-start=\"1662\" data-end=\"1686\"\u003eSiemens P2 Panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"oa1rum\" data-start=\"1687\" data-end=\"1711\"\u003eSiemens P3 Panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"14eyneh\" data-start=\"1712\" data-end=\"1736\"\u003eSiemens P4 Panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"24s114\" data-start=\"1737\" data-end=\"1761\"\u003eSiemens P5 Panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"7u7qoh\" data-start=\"1762\" data-end=\"1791\"\u003eSwitchboards and enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"131luvw\" data-start=\"1798\" data-end=\"1823\"\u003eStandards \u0026amp; Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1824\" data-end=\"1946\"\u003e\n\u003cli data-section-id=\"99n7pg\" data-start=\"1824\" data-end=\"1832\"\u003eUL 489\u003c\/li\u003e\n\u003cli data-section-id=\"1wa6t2c\" data-start=\"1833\" data-end=\"1846\"\u003eIEC 60947-2\u003c\/li\u003e\n\u003cli data-section-id=\"11qi724\" data-start=\"1847\" data-end=\"1864\"\u003eCSA C22.2 No. 5\u003c\/li\u003e\n\u003cli data-section-id=\"1l1jfp9\" data-start=\"1865\" data-end=\"1897\"\u003eCE, CSA, EAC, UL, VDE approved\u003c\/li\u003e\n\u003cli data-section-id=\"1ljkxna\" data-start=\"1898\" data-end=\"1910\"\u003eHACR rated\u003c\/li\u003e\n\u003cli data-section-id=\"bhn0z3\" data-start=\"1911\" data-end=\"1946\"\u003eTemperature rating: -25°C to 70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1953\" data-end=\"1969\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1970\" data-end=\"2164\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"a5i20u\" data-start=\"1970\" data-end=\"1995\"\u003eCommercial HVAC systems\u003c\/li\u003e\n\u003cli data-section-id=\"1ywd0i3\" data-start=\"1996\" data-end=\"2034\"\u003eIndustrial branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1ejdtnq\" data-start=\"2035\" data-end=\"2063\"\u003eMotor and compressor loads\u003c\/li\u003e\n\u003cli data-section-id=\"1d4ae3s\" data-start=\"2064\" data-end=\"2106\"\u003ePanelboard and switchboard installations\u003c\/li\u003e\n\u003cli data-section-id=\"hjnanf\" data-start=\"2107\" data-end=\"2164\" data-is-last-node=\"\"\u003eRetrofit upgrades for legacy Siemens ED series breakers\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":"Siemens \/ ITE","offers":[{"title":"NEW","offer_id":48486180454649,"sku":"3VA5120-4ED21-0AA0","price":361.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/3VA5120-4ED21-0AA0_1.webp?v=1780588196","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-3va5120-4ed21-0aa0-20a-2p-molded-case-circuit-breaker-panel-mount-480v-ac","provider":"My Circuit Breakers","version":"1.0","type":"link"}