{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2040-7JQ46-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2040-7JQ46-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2040-7JQ46-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2040-7JQ46-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2040-7JQ46-0AA0, molded case circuit breaker, 4-pole, 40 A, ETU560 electronic trip unit, 330 kA at 240 V, 242 kA at 415 V, 242 kA at 440 V, 187 kA at 500 V, 3 kA at 690 V.","salesMarkdown":"The interrupting ratings are the headline here: 330 kA at 240 V, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 3 kA at 690 V. The ETU560 release provides adjustable long-time and short-time pickup and delay settings, plus ground-fault protection via summation current formation on L+N. The N-conductor protection is adjustable OFF or from 40 % to 160 %. Communication function is built in, so it can talk to a higher-level monitoring system without an add-on module. Front protection is IP40, meaning it's sealed against tools and small wires but not against water ingress, so keep it inside the enclosure. ## How it compares to the 3VA2025-8JQ42-0AA0 The closest functional sibling is the 3VA2025-8JQ42-0AA0, a 25 A 4-pole MCCB with the same ETU560 release and similar interrupting ratings. The deciding factor is the continuous current: 40 A vs 25 A. If your load is sized for 25 A, the 3VA2025 saves a few dollars and panel space is identical. If you need the full 40 A headroom, this is the one. No rewiring difference — same footprint, same lug pattern. Latching endurance is rated at 20,000 operations — that's the mechanical life, not the electrical switching life under load, so it's fine for infrequent manual switching but not a daily disconnect duty cycle.","metaTitle":"Siemens 3VA2040-7JQ46-0AA0 SENTRON MCCB, 40 A, 4-Pole, 330 k","metaDescription":"Siemens SENTRON 3VA2040-7JQ46-0AA0 molded case circuit breaker, 40 A, 4-pole, ETU560 release, 330 kA at 240 V. Current lifecycle. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"86 mm","Width":"140 mm","Height":"181 mm","at 240 V":"330 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"187 kA","at 690 V":"3 kA","at 40 °C":"40 A","at 45 °C":"40 A","at 50 °C":"40 A","at 55 °C":"40 A","at 60 °C":"40 A","at 65 °C":"40 A","at 70 °C":"40 A","Depth [in]":"3.4 in","Width [in]":"5.5 in","Height [in]":"7.1 in","Number of poles":"4","Product version":"Line protection","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"20 000","Communication Function":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"2.2 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-40 °C","Other Measurement Function":"No","Rated continuous current Iu":"40 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; 40% bis160%","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.":"40 A","Adjustable response value current / lg max.":"40 A","Adjustable response value current / lg min.":"16 A","Adjustable response value current / li max.":"480 A","Adjustable response value current / li min.":"60 A","Adjustable response value current / lr min.":"16 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.":"400 A","Adjustable response value current / Isd min.":"24 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":"C","Max. rated operational current of the frame size":"100 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"box terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal","Type of connectable conductor cross-section, round conductor terminal, stranded":"1 x (6-120 mm²)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/d952cb2214af72bae617dd6654bd20b5.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=527320&mlfb=3VA2040-7JQ46-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2040-7JQ46-0AA0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2040-7JQ46-0AA0","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/3VA2040-7JQ46-0AA0 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}}