{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-7KQ32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-7KQ32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-7KQ32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-7KQ32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2140-7KQ32-0AA0, 3-pole molded case circuit breaker, 40 A rated continuous current, 330 kA interrupting at 240 V, ETU860 electronic trip unit.","salesMarkdown":"The Siemens SENTRON 3VA2140-7KQ32-0AA0 is a 3-pole molded case circuit breaker (MCCB) rated for 40 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling. The ETU860 electronic trip unit gives you adjustable time-current curves (tr min 0.5 s to tr max 25 s, tsd max 0.5 s) so you can coordinate selectively downstream. ## Sizing and selectivity notes That simplifies panel design in warm enclosures or near other heat sources. The ETU860 release lets you set the short-time delay (tsd) up to 0.5 s, which gives downstream breakers time to clear a fault before this one opens, preserving uptime on unaffected feeders. The interrupting capacity drops to 3.8 kA at 690 V.","metaTitle":"Siemens 3VA2140-7KQ32-0AA0 SENTRON MCCB, 40 A, 330 kA at 240","metaDescription":"Siemens SENTRON 3VA2140-7KQ32-0AA0 molded case circuit breaker, 40 A continuous, 3-pole, ETU860 release. 330 kA at 240 V. Active production. Quoted 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":"105 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":"3.8 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]":"4.1 in","Height [in]":"7.1 in","Number of poles":"3","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":"1.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-40 °C","Other Measurement Function":"Yes","Rated continuous current Iu":"40 A","Rated insulation voltage Ui":"800 V","Ground fault monitoring version":"Summation current formation L-conductor","Design of the overcurrent release":"ETU860","Protection class IP / on the front":"IP40","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":"Yes","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":"160 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/cda978e31ec81fb539d5632cb59bd0b3.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=471815&mlfb=3VA2140-7KQ32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2140-7KQ32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Does it drop into a panel designed for the 3VA2216-8JP42-0AA0?","answer":"No — the 3VA2216-8JP42-0AA0 is a different frame size and current rating. The 3VA2140-7KQ32-0AA0 has its own mounting footprint (181 x 105 x 86 mm) and requires separate panel cutout and bus connection planning."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-7KQ32-0AA0","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/3VA2140-7KQ32-0AA0 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}}