{"product_id":"siemens-3va5340-5ef31-0aa0-400-amp-3-pole-molded-case-circuit-breaker-panel-mount-240-480-600vac-rated","title":"Siemens 3VA5340-5EF31-0AA0 400 Amp 3-Pole Molded Case Circuit Breaker – Panel Mount – 240\/480\/600VAC 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-5a08b3a83112-25\" 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-5a08b3a83112-25\" data-turn-id-container=\"request-6a21ac48-87a0-83ec-890f-5a08b3a83112-25\" data-testid=\"conversation-turn-142\" 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=\"bfcb9e20-bcac-4fd9-98e8-dcb317bc97b8\" 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=\"130\" data-end=\"723\"\u003eThe Siemens 3VA5340-5EF31-0AA0 is a high-capacity molded case circuit breaker (MCCB) from the SENTRON 3VA5 series, engineered for demanding industrial and commercial power distribution systems. Built on the robust 3VA53 frame, this 400A, 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 is designed to handle high fault current conditions and ensures dependable protection for feeder and distribution circuits in complex electrical installations.\u003c\/p\u003e\n\u003cp data-start=\"725\" data-end=\"942\"\u003eThis breaker installs into Siemens 3VA panelboards and switchboards and serves as a direct replacement for legacy JD63B400 breakers, making it suitable for retrofit and upgrade applications in existing infrastructure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"944\" data-end=\"966\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"968\" data-end=\"1156\"\u003e\n\u003cli data-section-id=\"1om46o0\" data-start=\"968\" data-end=\"996\"\u003eCurrent Rating: 400 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1ep5nc\" data-start=\"997\" data-end=\"1039\"\u003eVoltage Rating: 240VAC, 480VAC, 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"13hyuq3\" data-start=\"1040\" data-end=\"1058\"\u003ePhase: 3-Phase\u003c\/li\u003e\n\u003cli data-section-id=\"12sfb1r\" data-start=\"1059\" data-end=\"1082\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"17gzyhl\" data-start=\"1083\" data-end=\"1156\"\u003eAIC Rating:\n\u003cul data-start=\"1099\" data-end=\"1156\"\u003e\n\u003cli data-section-id=\"aw9iru\" data-start=\"1099\" data-end=\"1116\"\u003e85kA @ 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1vwgnt7\" data-start=\"1119\" data-end=\"1136\"\u003e35kA @ 480VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1w4do8e\" data-start=\"1139\" data-end=\"1156\"\u003e18kA @ 600VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"1158\" data-end=\"1180\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1182\" data-end=\"1669\"\u003e\n\u003cli data-section-id=\"182vtm7\" data-start=\"1182\" data-end=\"1234\"\u003eBreaker Type: Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"1ps02u8\" data-start=\"1235\" data-end=\"1259\"\u003eSeries: SENTRON 3VA5\u003c\/li\u003e\n\u003cli data-section-id=\"s9zoqv\" data-start=\"1260\" data-end=\"1275\"\u003eFamily: 3VA\u003c\/li\u003e\n\u003cli data-section-id=\"zcz8xf\" data-start=\"1276\" data-end=\"1311\"\u003ePart Number: 3VA5340-5EF31-0AA0\u003c\/li\u003e\n\u003cli data-section-id=\"i507bm\" data-start=\"1312\" data-end=\"1339\"\u003eFrame Size: 3VA53 Frame\u003c\/li\u003e\n\u003cli data-section-id=\"bad5e\" data-start=\"1340\" data-end=\"1367\"\u003eNumber of Poles: 3-Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1jku7n8\" data-start=\"1368\" data-end=\"1399\"\u003eMounting Style: Panel Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1nbdjus\" data-start=\"1400\" data-end=\"1423\"\u003eTerminal Type: Lugs\u003c\/li\u003e\n\u003cli data-section-id=\"1b3baop\" data-start=\"1424\" data-end=\"1461\"\u003eTrip Technology: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1cx8hdv\" data-start=\"1462\" data-end=\"1482\"\u003eTrip Unit: TM240\u003c\/li\u003e\n\u003cli data-section-id=\"ue0akg\" data-start=\"1483\" data-end=\"1509\"\u003eTrip Function Code: LI\u003c\/li\u003e\n\u003cli data-section-id=\"rgmkkq\" data-start=\"1510\" data-end=\"1567\"\u003eTrip Function: Long-Time and Instantaneous Protection\u003c\/li\u003e\n\u003cli data-section-id=\"1c4sc98\" data-start=\"1568\" data-end=\"1631\"\u003eTrip Adjustability: Adjustable Thermal, Adjustable Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"1vwficb\" data-start=\"1632\" data-end=\"1669\"\u003eProtection Type: Thermal Magnetic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1671\" data-end=\"1699\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1701\" data-end=\"1923\"\u003e\n\u003cli data-section-id=\"tfkp9o\" data-start=\"1701\" data-end=\"1752\"\u003eBreaking Capacity Class: High fault performance\u003c\/li\u003e\n\u003cli data-section-id=\"9l1yze\" data-start=\"1753\" data-end=\"1814\"\u003eApplication: Industrial and Commercial Power Distribution\u003c\/li\u003e\n\u003cli data-section-id=\"df8m5\" data-start=\"1815\" data-end=\"1871\"\u003eCompatibility: Siemens 3VA Panelboards, Switchboards\u003c\/li\u003e\n\u003cli data-section-id=\"4xa67\" data-start=\"1872\" data-end=\"1923\"\u003eConstruction Features: HACR Rated, Reverse Feed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nr5bwx\" data-start=\"1925\" data-end=\"1952\"\u003eStandards and Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1954\" data-end=\"2046\"\u003e\n\u003cli data-section-id=\"1dosmn9\" data-start=\"1954\" data-end=\"1994\"\u003eStandards: IEC 60947-2, UL 489, HACR\u003c\/li\u003e\n\u003cli data-section-id=\"az08d8\" data-start=\"1995\" data-end=\"2046\"\u003eApprovals: UL, CSA, CE, EAC, RCM, VDE, ABS, CCC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"2048\" data-end=\"2064\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"2066\" data-end=\"2152\"\u003e\n\u003cli data-section-id=\"qi30mg\" data-start=\"2066\" data-end=\"2091\"\u003eManufacturer: Siemens\u003c\/li\u003e\n\u003cli data-section-id=\"1ps02u8\" data-start=\"2092\" data-end=\"2116\"\u003eSeries: SENTRON 3VA5\u003c\/li\u003e\n\u003cli data-section-id=\"zcz8xf\" data-start=\"2117\" data-end=\"2152\"\u003ePart Number: 3VA5340-5EF31-0AA0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2154\" data-end=\"2170\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2172\" data-end=\"2515\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"yi6n97\" data-start=\"2172\" data-end=\"2213\"\u003eIndustrial Power Distribution Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1cfavo2\" data-start=\"2214\" data-end=\"2253\"\u003eCommercial Electrical Installations\u003c\/li\u003e\n\u003cli data-section-id=\"5j9qow\" data-start=\"2254\" data-end=\"2286\"\u003ePanelboards and Switchboards\u003c\/li\u003e\n\u003cli data-section-id=\"a5hesb\" data-start=\"2287\" data-end=\"2312\"\u003eMotor Control Centers\u003c\/li\u003e\n\u003cli data-section-id=\"tk43vu\" data-start=\"2313\" data-end=\"2342\"\u003eFeeder Circuit Protection\u003c\/li\u003e\n\u003cli data-section-id=\"a2bybv\" data-start=\"2343\" data-end=\"2372\"\u003eBranch Circuit Protection\u003c\/li\u003e\n\u003cli data-section-id=\"1msjpjf\" data-start=\"2373\" data-end=\"2408\"\u003eHigh Fault Current Applications\u003c\/li\u003e\n\u003cli data-section-id=\"1g1kkou\" data-start=\"2409\" data-end=\"2447\"\u003eHeavy Electrical Load Distribution\u003c\/li\u003e\n\u003cli data-section-id=\"1pumc6t\" data-start=\"2448\" data-end=\"2483\"\u003eCritical Infrastructure Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1vwgmrb\" data-start=\"2484\" data-end=\"2515\" 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\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\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 flex-col\"\u003e\n\u003cdiv class=\"relative mx-auto h-0\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom\"\u003e\n\u003cdiv class=\"text-base 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 mb-[var(--thread-component-gap,1rem)]\"\u003e\n\u003cdiv class=\"w-full\"\u003e\n\u003cdiv class=\"pointer-events-auto relative z-1 flex h-(--composer-container-height,100%) max-w-full flex-(--composer-container-flex,1) flex-col\"\u003e\u003cform autocomplete=\"off\" class=\"group\/composer w-full\" data-type=\"unified-composer\"\u003e\n\u003cdiv 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":48491016651001,"sku":"3VA5340-5EF31-0AA0","price":1939.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/3VA5210-5EC61-0AA0-All-New-1_f0428805-9a63-4efd-a5e3-3f34d84b46e8.webp?v=1780750088","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-3va5340-5ef31-0aa0-400-amp-3-pole-molded-case-circuit-breaker-panel-mount-240-480-600vac-rated","provider":"My Circuit Breakers","version":"1.0","type":"link"}