{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1140-3EF32-0JA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1140-3EF32-0JA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1140-3EF32-0JA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1140-3EF32-0JA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1140-3EF32-0JA0, molded case circuit breaker, line protection, 3-pole, 40 A, TM240 thermal-magnetic release, shunt trip (STL), breaking 75.6 kA at 240 V.","salesMarkdown":"Siemens SENTRON 3VA1140-3EF32-0JA0 is a 3-pole molded case circuit breaker rated 40 A continuous current at 40 °C, with a TM240 thermal-magnetic release and an integrated shunt trip (STL) for remote tripping. It carries 75.6 kA breaking at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 10.5 kA at 690 V — the 415 V figure is the one that governs most European 400 V distribution panels. Above that it derates: 38.4 A at 55 °C, 37.6 A at 60 °C, 36.8 A at 65 °C, and 36 A at 70 °C. That 36 A at 70 °C is the ceiling for a hot panel — if your enclosure runs near 65 °C, size the load for 38 A, not 40. ## Shunt trip and auxiliary release No communication function, no phase-failure detection. Front IP40. It mounts on a DIN rail or panel-mount base; the 76.2 mm width is three pole spaces at 25.4 mm per pole — standard for a 3-pole MCCB in a distribution board. Depth of 70 mm leaves room for the shunt trip wiring behind the front cover.","metaTitle":"Siemens 3VA1140-3EF32-0JA0 SENTRON MCCB, 40 A, 3-Pole, TM240","metaDescription":"Siemens SENTRON 3VA1140-3EF32-0JA0 molded case circuit breaker, 40 A rated, 3-pole, TM240 release, shunt trip. Breaking capacity 75.6 kA at 240 V. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","at 240 V":"75.6 kA","at 415 V":"52.5 kA","at 440 V":"32 kA","at 690 V":"10.5 kA","at 40 °C":"40 A","at 45 °C":"40 A","at 50 °C":"40 A","at 55 °C":"38.4 A","at 60 °C":"37.6 A","at 65 °C":"36.8 A","at 70 °C":"36 A","Trip indicator":"No","Number of poles":"3","Product version":"Line protection","Voltage trigger":"Yes","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"No","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"40 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Shunt trip (STL)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9688-0BL32","Design of the overcurrent release":"TM240","Design of short-circuit protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","Protection class IP / on the front":"IP40","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"1","Adjustable response value time / tr min.":"1","Max. rated operational voltage Ue with DC":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"40 A","Adjustable response value current / li max.":"400 A","Adjustable response value current / li min.":"200 A","Adjustable response value current / lr min.":"28 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LI","Switching capacity class of the circuit breaker":"N","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","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"17 x 6.5","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"12 x 0"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=420986&mlfb=3VA1140-3EF32-0JA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1140-3EF32-0JA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1140-3EF32-0JA0 and get a price?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing; no stock count or price is published here."},{"question":"What compliance documentation does Siemens provide for 3VA1140-3EF32-0JA0?","answer":"The 3VA series carries IEC/EN 60947-2 certification for molded case circuit breakers. Reference code per DIN EN 81346-2 is Q. RoHS and REACH declarations are standard with the product documentation."},{"question":"Will 3VA1140-3EF32-0JA0 drop into a panel specified for 3VA1110-5EE32-0JA0?","answer":"Both are 3-pole SENTRON MCCBs on the same 76.2 mm width footprint, so mechanical fit is identical. The key difference is the release: 3VA1110-5EE32-0JA0 uses a different trip unit and may have a different breaking capacity — verify the interrupting rating at your system voltage before swapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1140-3EF32-0JA0","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/3VA1140-3EF32-0JA0 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}}