{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1140-6EF36-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1140-6EF36-0AB0","canonicalUrl":"https://aoctrl.com/siemens/3VA1140-6EF36-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1140-6EF36-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1140-6EF36-0AB0, 3-pole molded case circuit breaker, 40 A rated current, TM240 thermal-magnetic release, 220 kA interrupting capacity at 240 V AC.","salesMarkdown":"The Siemens 3VA1140-6EF36-0AB0 is a 3-pole SENTRON molded case circuit breaker (MCCB) with a TM240 thermal-magnetic overcurrent release, rated 40 A continuous at 40 °C and derating to 37 A at 70 °C ambient. ## Interrupting capacity — what those numbers mean for panel coordination At 415 V it still interrupts 154 kA, and at 440 V it manages 121 kA. The drop to 17 kA at 500 V and 690 V is typical for a 40 A frame — above 480 V the arc extinction physics changes, so verify your system voltage against that knee. For a 480 V delta service the 17 kA is still adequate for most distribution panels, but if your available fault current exceeds that you need the higher-voltage-rated variant. ## Thermal derating and the TM240 release The breaker holds 40 A flat from 40 °C through 50 °C (–), then drops to 39 A at 55–60 °C, 38 A at 65 °C, and 37 A at 70 °C. The magnetic instantaneous trip on the TM240 is factory-set and not field-adjustable, so coordination studies need the fixed curve from the Siemens selectivity data. ## Physical fit and auxiliary switch configuration Footprint is 130 mm high, 76.2 mm wide, and 70 mm deep — the 3VA1 frame size. It ships with two factory-installed auxiliary switches (HP design,), so you get status feedback without adding a separate accessory module. If your BOM calls for shunt trip or UVR, those are field-addable accessories on the 3VA platform, but this order code doesn't include them.","metaTitle":"Siemens 3VA1140-6EF36-0AB0 SENTRON MCCB, 40A, 220 kA at 240V","metaDescription":"Siemens 3VA1140-6EF36-0AB0 SENTRON molded case circuit breaker, 3-pole, 40A rated, TM240 release, 220 kA interrupting at 240V. 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","Maximum":"0 A","Minimum":"0 A","at 240 V":"220 kA","at 415 V":"154 kA","at 440 V":"121 kA","at 500 V":"17 kA","at 690 V":"17 kA","at 40 °C":"40 A","at 45 °C":"40 A","at 50 °C":"40 A","at 55 °C":"39 A","at 60 °C":"39 A","at 65 °C":"38 A","at 70 °C":"37 A","Depth [In]":"2.76 in","Width [In]":"3 in","Height [In]":"5.12 in","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"10.8 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA11406EF360AA0","Design Of The Auxiliary Switch":"2 auxiliary switches HP","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","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","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"2","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA11","Switching Capacity Class Of The Circuit Breaker":"H","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"box terminal on both sides","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"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=406348&mlfb=3VA1140-6EF36-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1140-6EF36-0AB0/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional alternative to 3VA1140-6EF36-0AB0?","answer":"The 3VA1110-5EF32-0AM0 is a 3-pole SENTRON MCCB but with a lower interrupting rating and a different release type — it won't match the 220 kA at 240 V that this 3VA1140-6EF36-0AB0 carries. If you need the same high-interrupting capacity and TM240 release, stick with this order code; the 3VA1110 variants are for lower fault-current applications."},{"question":"What are the key ratings of 3VA1140-6EF36-0AB0?","answer":"40 A continuous at 40 °C, 3-pole, TM240 thermal-magnetic release, interrupting capacity of 220 kA at 240 V, 154 kA at 415 V, 121 kA at 440 V, and 17 kA at 500 V and 690 V. Rated insulation voltage is 800 V."},{"question":"How do I get current pricing and availability for 3VA1140-6EF36-0AB0?","answer":"Submit an RFQ through the storefront. Availability and current pricing are confirmed at quote time — this is a current-production item sourced through standard distribution, so lead time is typically quoted against the order quantity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1140-6EF36-0AB0","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/3VA1140-6EF36-0AB0 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}}