{"product_id":"siemens-3va5330-5ef31-0aa0-300-amp-3-pole-molded-case-circuit-breaker-panel-mount-240-480-600vac-dc-rated","title":"Siemens 3VA5330-5EF31-0AA0 300 Amp 3-Pole Molded Case Circuit Breaker – Panel Mount – 240\/480\/600VAC \u0026 DC Rated","description":"\u003cdiv data-voice-floating-orb-focus-background=\"\" 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-6a21ac48-87a0-83ec-890f-5a08b3a83112-21\" 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-6a21ac48-87a0-83ec-890f-5a08b3a83112-21\" data-turn-id-container=\"request-6a21ac48-87a0-83ec-890f-5a08b3a83112-21\" data-testid=\"conversation-turn-134\" 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=\"b8137740-45d8-410c-966a-5c9461c04912\" 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=\"135\" data-end=\"732\"\u003eThe Siemens 3VA5330-5EF31-0AA0 is a heavy-duty molded case circuit breaker (MCCB) from the SENTRON 3VA53 frame family, designed for commercial and industrial power distribution systems. Built on the robust 3VA53 frame, this 300A, 3-pole breaker provides reliable long-time and instantaneous (LI) protection using a TM240 thermal-magnetic trip unit with adjustable thermal and adjustable magnetic settings. It delivers dependable fault interruption performance for high-energy electrical systems and is suitable for feeder and distribution applications in industrial installations.\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"1037\"\u003eThis breaker is designed for Siemens 3VA panelboards and switchboards and can be installed in Siemens P3, P4, and P5 systems. With appropriate mounting hardware, it serves as a replacement for legacy JD63B300 breakers, making it suitable for retrofit and upgrade applications in existing infrastructure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"1039\" data-end=\"1061\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"1063\" data-end=\"1355\"\u003e\n\u003cli data-section-id=\"abelif\" data-start=\"1063\" data-end=\"1091\"\u003eCurrent Rating: 300 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"13tm7y0\" data-start=\"1092\" data-end=\"1168\"\u003eVoltage Rating: 240VAC, 480Y\/277VAC, 480VAC, 600Y\/347VAC, 600VAC, 500VDC\u003c\/li\u003e\n\u003cli data-section-id=\"13hyuq3\" data-start=\"1169\" data-end=\"1187\"\u003ePhase: 3-Phase\u003c\/li\u003e\n\u003cli data-section-id=\"12sfb1r\" data-start=\"1188\" data-end=\"1211\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"159hhf9\" data-start=\"1212\" data-end=\"1355\"\u003eAIC Rating:\n\u003cul data-start=\"1228\" data-end=\"1355\"\u003e\n\u003cli data-section-id=\"aw9iru\" data-start=\"1228\" data-end=\"1245\"\u003e85kA @ 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1hcd29b\" data-start=\"1248\" data-end=\"1270\"\u003e35kA @ 480Y\/277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1vwgnt7\" data-start=\"1273\" data-end=\"1290\"\u003e35kA @ 480VAC\u003c\/li\u003e\n\u003cli data-section-id=\"v22l1k\" data-start=\"1293\" data-end=\"1315\"\u003e18kA @ 600Y\/347VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1w4do8e\" data-start=\"1318\" data-end=\"1335\"\u003e18kA @ 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"y16jms\" data-start=\"1338\" data-end=\"1355\"\u003e50kA @ 500VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"1357\" data-end=\"1379\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1381\" data-end=\"1868\"\u003e\n\u003cli data-section-id=\"182vtm7\" data-start=\"1381\" data-end=\"1433\"\u003eBreaker Type: Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"1ps02u8\" data-start=\"1434\" data-end=\"1458\"\u003eSeries: SENTRON 3VA5\u003c\/li\u003e\n\u003cli data-section-id=\"s9zoqv\" data-start=\"1459\" data-end=\"1474\"\u003eFamily: 3VA\u003c\/li\u003e\n\u003cli data-section-id=\"1b7ak6s\" data-start=\"1475\" data-end=\"1510\"\u003ePart Number: 3VA5330-5EF31-0AA0\u003c\/li\u003e\n\u003cli data-section-id=\"i507bm\" data-start=\"1511\" data-end=\"1538\"\u003eFrame Size: 3VA53 Frame\u003c\/li\u003e\n\u003cli data-section-id=\"bad5e\" data-start=\"1539\" data-end=\"1566\"\u003eNumber of Poles: 3-Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1jku7n8\" data-start=\"1567\" data-end=\"1598\"\u003eMounting Style: Panel Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1nbdjus\" data-start=\"1599\" data-end=\"1622\"\u003eTerminal Type: Lugs\u003c\/li\u003e\n\u003cli data-section-id=\"1b3baop\" data-start=\"1623\" data-end=\"1660\"\u003eTrip Technology: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1cx8hdv\" data-start=\"1661\" data-end=\"1681\"\u003eTrip Unit: TM240\u003c\/li\u003e\n\u003cli data-section-id=\"ue0akg\" data-start=\"1682\" data-end=\"1708\"\u003eTrip Function Code: LI\u003c\/li\u003e\n\u003cli data-section-id=\"rgmkkq\" data-start=\"1709\" data-end=\"1766\"\u003eTrip Function: Long-Time and Instantaneous Protection\u003c\/li\u003e\n\u003cli data-section-id=\"1c4sc98\" data-start=\"1767\" data-end=\"1830\"\u003eTrip Adjustability: Adjustable Thermal, Adjustable Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1vwficb\" data-start=\"1831\" data-end=\"1868\"\u003eProtection Type: Thermal Magnetic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1870\" data-end=\"1898\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1900\" data-end=\"2199\"\u003e\n\u003cli data-section-id=\"ktmh1r\" data-start=\"1900\" data-end=\"1945\"\u003eBreaking Capacity Class: Medium (Class M)\u003c\/li\u003e\n\u003cli data-section-id=\"9l1yze\" data-start=\"1946\" data-end=\"2007\"\u003eApplication: Industrial and Commercial Power Distribution\u003c\/li\u003e\n\u003cli data-section-id=\"1xnq1n5\" data-start=\"2008\" data-end=\"2103\"\u003eCompatibility: Siemens 3VA Panelboards, Switchboards (P3, P4, P5 systems with mounting kit)\u003c\/li\u003e\n\u003cli data-section-id=\"1t490hi\" data-start=\"2104\" data-end=\"2199\"\u003eConstruction Features: HACR Rated, Current Limiting, Reverse Feed, Non-Interchangeable Trip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nr5bwx\" data-start=\"2201\" data-end=\"2228\"\u003eStandards and Approvals\u003c\/h3\u003e\n\u003cul data-start=\"2230\" data-end=\"2317\"\u003e\n\u003cli data-section-id=\"1dosmn9\" data-start=\"2230\" data-end=\"2270\"\u003eStandards: IEC 60947-2, UL 489, HACR\u003c\/li\u003e\n\u003cli data-section-id=\"1lwojuo\" data-start=\"2271\" data-end=\"2317\"\u003eApprovals: UL, CSA, CE, EAC, IEC, VDE, ABS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"2319\" data-end=\"2335\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"2337\" data-end=\"2423\"\u003e\n\u003cli data-section-id=\"qi30mg\" data-start=\"2337\" data-end=\"2362\"\u003eManufacturer: Siemens\u003c\/li\u003e\n\u003cli data-section-id=\"1ps02u8\" data-start=\"2363\" data-end=\"2387\"\u003eSeries: SENTRON 3VA5\u003c\/li\u003e\n\u003cli data-section-id=\"1b7ak6s\" data-start=\"2388\" data-end=\"2423\"\u003ePart Number: 3VA5330-5EF31-0AA0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2425\" data-end=\"2441\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2443\" data-end=\"2786\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"yi6n97\" data-start=\"2443\" data-end=\"2484\"\u003eIndustrial Power Distribution Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1cfavo2\" data-start=\"2485\" data-end=\"2524\"\u003eCommercial Electrical Installations\u003c\/li\u003e\n\u003cli data-section-id=\"5j9qow\" data-start=\"2525\" data-end=\"2557\"\u003ePanelboards and Switchboards\u003c\/li\u003e\n\u003cli data-section-id=\"a5hesb\" data-start=\"2558\" data-end=\"2583\"\u003eMotor Control Centers\u003c\/li\u003e\n\u003cli data-section-id=\"tk43vu\" data-start=\"2584\" data-end=\"2613\"\u003eFeeder Circuit Protection\u003c\/li\u003e\n\u003cli data-section-id=\"a2bybv\" data-start=\"2614\" data-end=\"2643\"\u003eBranch Circuit Protection\u003c\/li\u003e\n\u003cli data-section-id=\"1msjpjf\" data-start=\"2644\" data-end=\"2679\"\u003eHigh Fault Current Applications\u003c\/li\u003e\n\u003cli data-section-id=\"1g1kkou\" data-start=\"2680\" data-end=\"2718\"\u003eHeavy Electrical Load Distribution\u003c\/li\u003e\n\u003cli data-section-id=\"1pumc6t\" data-start=\"2719\" data-end=\"2754\"\u003eCritical Infrastructure Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1vwgmrb\" data-start=\"2755\" data-end=\"2786\" data-is-last-node=\"\"\u003eRetrofit and Upgrade Projects\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\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom-container\" class=\"sticky bottom-0 z-10 group\/thread-bottom-container relative isolate w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line flex 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class=\"hidden\"\u003e\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Siemens \/ ITE","offers":[{"title":"NEW","offer_id":48490991386873,"sku":"3VA5330-5EF31-0AA0","price":1939.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/3VA5195-6ED31-0AA0-3-Pole-Circuit-Breaker_Siemens_1_b9d63c49-047b-4e7f-8bcd-1944bd78801f.webp?v=1780749583","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-3va5330-5ef31-0aa0-300-amp-3-pole-molded-case-circuit-breaker-panel-mount-240-480-600vac-dc-rated","provider":"My Circuit Breakers","version":"1.0","type":"link"}