{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2440-6JQ42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2440-6JQ42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2440-6JQ42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2440-6JQ42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2440-6JQ42-0AA0, molded case circuit breaker, 400 A, 4-pole, ETU560 electronic trip unit, line protection version.","salesMarkdown":"The Siemens SENTRON 3VA2440-6JQ42-0AA0 is a 4-pole molded case circuit breaker rated for 400 A continuous current (Iu) at 40 °C, with the ETU560 electronic trip unit managing the overcurrent release. That 400 A holds flat through 50 °C — no derating needed up to that point — then drops to 388 A at 55 °C, 380 A at 60 °C, 368 A at 65 °C, and 352 A at 70 °C, so if your panel ambient runs hot you size off the 55 °C or 60 °C column, not the 40 °C sticker. Breaking capacity is where this frame earns its keep: 242 kA at 240 V, 187 kA at 415 V, 85 kA at 440 V, 55 kA at 500 V, and 9 kA at 690 V. The ETU560 is a communicating trip unit — the breaker carries a communication function, so it can talk to a higher-level control system for power monitoring and selective coordination. The N-conductor protection is adjustable (OFF, 20 % to 130 %), and ground fault monitoring uses summation current formation on L + N. That makes it suited for TN or TT systems where you want both phase and neutral protection in one package. ## Panel fit — 184 mm wide, 248 mm tall, 110 mm deep The 3VA2440-6JQ42-0AA0 measures 184 mm wide by 248 mm tall by 110 mm deep. The 184 mm width fits a 4-pole frame in a standard SENTRON footprint — 7.2 inches of DIN-rail space, and the 110 mm depth (4.3 in) keeps the breaker from protruding past the gland plate. Front IP40 protection suits a clean indoor panel.","metaTitle":"Siemens SENTRON 3VA2440-6JQ42-0AA0 MCCB, 400 A, 4-Pole, ETU5","metaDescription":"Siemens SENTRON 3VA2440-6JQ42-0AA0 molded case circuit breaker, 400 A continuous, 4-pole, ETU560 electronic trip unit. Breaking capacity 242 kA at 240 V. Active lifecycle, sourced","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"184 mm","Height":"248 mm","at 240 V":"242 kA","at 415 V":"187 kA","at 440 V":"85 kA","at 500 V":"55 kA","at 690 V":"9 kA","at 40 °C":"400 A","at 45 °C":"400 A","at 50 °C":"400 A","at 55 °C":"388 A","at 60 °C":"380 A","at 65 °C":"368 A","at 70 °C":"352 A","Depth [in]":"4.3 in","Width [in]":"7.2 in","Height [in]":"9.8 in","Limited To 1 S":"5 kA","Number of poles":"4","Product version":"Line protection","lifecycle_stage":"current","Limited To 0.5 S":"5 kA","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Communication Function":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"63.3 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-40 °C","Other Measurement Function":"No","Rated continuous current Iu":"400 A","Rated insulation voltage Ui":"800 V","Ground fault monitoring version":"Summation current formation L + N conductor","Design of the overcurrent release":"ETU560","Protection class IP / on the front":"IP40","Design of the N-conductor protection":"adjustable OFF; 20% bis130%","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"25","Adjustable response value time / tr min.":"0.5","Adjustable response value time / tsd max.":"0.5 s","Adjustable response value time / tsd min.":"0.05 s","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"400 A","Adjustable response value current / lg max.":"400 A","Adjustable response value current / lg min.":"80 A","Adjustable response value current / li max.":"6 000 A","Adjustable response value current / li min.":"600 A","Adjustable response value current / lr min.":"160 A","Adjustable response value current / tg max.":"0.8 s","Adjustable response value current / tg min.":"0.05 s","Adjustable response value current / Isd max.":"4 000 A","Adjustable response value current / Isd min.":"240 A","Ground fault protection can be switched ON/OFF":"Yes","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LSIG","Switching capacity class of the circuit breaker":"H","Max. rated operational current of the frame size":"630 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"Lug terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0eb36652ce522f093395d6bd0dd27e34.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=347266&mlfb=3VA2440-6JQ42-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2440-6JQ42-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Will 3VA2440-6JQ42-0AA0 drop into a panel specified for 5SQ2670-2YA16?","answer":"The 3VA2440 is a SENTRON frame with a 184 mm width; the 5SQ2670-2YA16 is a different Siemens series with its own footprint. Panel cutouts and bus-bar centers differ — you cannot assume a direct mechanical swap without verifying the mounting pattern and lug spacing. The electrical ratings also diverge; the 3VA2440 carries 400 A with ETU560, while the 5SQ2670-2YA16 uses a different trip technology. Check the panel layout before ordering."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2440-6JQ42-0AA0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3VA2440-6JQ42-0AA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}