{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-5HN32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-5HN32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-5HN32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-5HN32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2140-5HN32-0AA0, molded case circuit breaker, 3-pole, 40 A continuous, ETU350 electronic trip unit, 187 kA interrupting at 240 V AC.","salesMarkdown":"The Siemens 3VA2140-5HN32-0AA0 is a SENTRON molded case circuit breaker (MCCB) designed for line protection, carrying a continuous current rating of 40 A across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling. That 40 A holds at every temperature step (–), so a warm panel enclosure won't force a larger frame than the load requires. At 240 V it handles 187 kA; at 415 V and 440 V it's rated 121 kA; at 500 V it drops to 75.6 kA; at 690 V it's 3.7 kA. For a 480 V panel fed by a transformer with high available fault current, the 75.6 kA at 500 V gives headroom — you're not forced into a current-limiting fuse or a larger frame just to meet the SCCR sticker. It uses the ETU350 electronic trip unit, which means adjustable thermal-magnetic curves via a rotary dial — not a fixed bimetal. That matters when coordinating with downstream breakers on a motor branch or a lighting panel: you can shape the trip to avoid nuisance trips on inrush while still clearing a hard short fast. ## Mounting and integration — panel fit Dimensions are 181 mm high, 105 mm wide, 86 mm deep. That 105 mm width is a standard 3-pole MCCB footprint for a 40 A frame — fits existing SENTRON 3VA panel cutouts and busbar risers without adapter plates. Operating range is -25 °C to 70 °C; storage from -40 °C to 80 °C. Insulation voltage rated 800 V.","metaTitle":"Siemens 3VA2140-5HN32-0AA0 SENTRON MCCB, 40 A, 3-Pole, 187 k","metaDescription":"Siemens 3VA2140-5HN32-0AA0 SENTRON molded case circuit breaker, 40 A continuous, 3-pole, 187 kA interrupting at 240 V. ETU350 release. Active production. Quoted to order.","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","title":"3VA2140-5HN32-0AA0","Height":"181 mm","Maximum":"480 A","Minimum":"480 A","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 kA","at 690 V":"3.7 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]":"3.39 in","Width [In]":"4.13 in","Height [In]":"7.13 in","description":"circuit breaker 3VA2 IEC frame 160 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection ETU350, LSI, In=40A overload protection Ir=16A...40A short-circuit protection Isd=1.5...10 x Ir, Ii=12 x In nut keeper kit","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":"1.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Continuous Current / Rated Value":"40 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU350","protection class IP / on the front":"IP40","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"160 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"25 000","Type Of Electrical Connection / For Main Current Circuit":"on both sides nut keeper kit","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"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=87844&mlfb=3VA2140-5HN32-0AA0"},"ai":{"faq":[{"question":"Where can I buy 3VA2140-5HN32-0AA0 and what is the lead time?","answer":"This part is sourced and quoted to order through independent distribution. Availability and current pricing are confirmed at quote time against an RFQ."},{"question":"What is the interrupting capacity of 3VA2140-5HN32-0AA0 at 480 V?","answer":"At 500 V it is rated 75.6 kA; at 440 V it is 121 kA. For a 480 V system the 75.6 kA at 500 V applies."},{"question":"Does 3VA2140-5HN32-0AA0 have a trip indicator?","answer":"No, this variant does not include a trip indicator."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-5HN32-0AA0","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/3VA2140-5HN32-0AA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}