{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1140-6EF36-0AE0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1140-6EF36-0AE0","canonicalUrl":"https://aoctrl.com/siemens/3VA1140-6EF36-0AE0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1140-6EF36-0AE0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1140-6EF36-0AE0, 3-pole molded case circuit breaker, 40 A rated continuous current, TM240 thermal-magnetic release, 220 kA breaking capacity at 240 V AC, 4 HQ auxiliary switches, IP40 front protection.","salesMarkdown":"## Line protection MCCB with high interrupting capacity The Siemens SENTRON 3VA1140-6EF36-0AE0 is a 3-pole molded case circuit breaker rated for 40 A continuous current at 40 °C, with a TM240 thermal-magnetic overcurrent release. Its interrupting capacity reaches 220 kA at 240 V AC, 154 kA at 415 V, and 121 kA at 440 V — enough to handle high-fault utility feeds or transformer secondaries without cascading upstream breakers. The TM240 release is fixed (non-adjustable thermal and magnetic), simplifying spec-in for standard branch protection where coordination studies don't demand adjustable trip settings. At 690 V the breaker still clears 17 kA — usable on 690 V industrial networks, though the 40 A frame limits the load side. ## Built-in auxiliary switching and environmental limits Comes with 4 HQ auxiliary switches (form C contacts) for remote status indication — useful for PLC DI monitoring or safety circuit feedback without adding external relay blocks. Current derating starts at 55 °C (38.4 A) and drops to 36 A at 70 °C.","metaTitle":"Siemens 3VA1140-6EF36-0AE0 SENTRON MCCB, 40 A, 220 kA at 240","metaDescription":"Siemens SENTRON 3VA1140-6EF36-0AE0 molded case circuit breaker, 40 A rated, 220 kA breaking at 240 V. 3-pole, TM240 release, 4 HQ aux switches. Active lifecycle, 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":"220 kA","at 415 V":"154 kA","at 440 V":"121 kA","at 690 V":"17 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":"No","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":"4 auxiliary switches HQ","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":"without auxiliaryrelease","Ground fault monitoring version":"Without","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":"4","Protective function of the overcurrent release":"LI","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching capacity class of the circuit breaker":"H","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":"box terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal","Type of connectable conductor cross-section, round conductor terminal, stranded":"1 x (1.5 - 70 mm²)"}},"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=177124&mlfb=3VA1140-6EF36-0AE0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1140-6EF36-0AE0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this MCCB at 240 V?","answer":"It interrupts 220 kA at 240 V AC, 154 kA at 415 V, 121 kA at 440 V, and 17 kA at 690 V."},{"question":"What overcurrent release does this breaker use?","answer":"It uses a TM240 thermal-magnetic release — fixed thermal and magnetic trip settings, non-adjustable."},{"question":"Does this MCCB include auxiliary contacts?","answer":"Yes, it comes with 4 HQ auxiliary switches (form C) for remote status feedback."},{"question":"Where can I buy 3VA1140-6EF36-0AE0 and how is it quoted?","answer":"This part is sourced through independent distribution channels. Submit an RFQ for current pricing and availability — quotes are confirmed at order time with no minimum quantity restrictions."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1140-6EF36-0AE0","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/3VA1140-6EF36-0AE0 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}}