{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2040-8HN32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2040-8HN32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2040-8HN32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2040-8HN32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2040-8HN32-0AA0, molded case circuit breaker, 3-pole, 40 A, ETU350 electronic trip unit, 440 kA breaking capacity at 240 V, IP40 front.","salesMarkdown":"The 440 kA breaking capacity at 240 V (330 kA at 415 V, 220 kA at 500 V, 53 kA at 690 V) puts this squarely in the high-fault-current class for industrial switchboards and transformer secondaries where available fault current is severe. ## Integration notes The ETU350 offers adjustable long-time (lg) and instantaneous (li) pickup settings — li is fixed at 480 A minimum and maximum, lg minimum is 0.4 s. Optional motor drive available for remote operation.","metaTitle":"Siemens 3VA2040-8HN32-0AA0 SENTRON MCCB, 40 A, 3-Pole, ETU35","metaDescription":"Siemens 3VA2040-8HN32-0AA0 SENTRON molded case circuit breaker, 40 A rated, 3-pole, ETU350 release, 440 kA at 240 V. Current lifecycle stage. 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","Height":"181 mm","at 240 V":"440 kA","at 415 V":"330 kA","at 440 V":"330 kA","at 500 V":"220 kA","at 690 V":"53 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","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"1.2 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Tension assignée d'isolement Ui":"800 V","Design Of The Overcurrent Release":"ETU350","protection class IP / on the front":"IP40","reference code / acc. to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Adjustable response value current / lg min.":"0.4 s","Adjustable response value current / li max.":"480 A","Adjustable response value current / li min.":"480 A","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LSI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"L","Mechanical Service Life (Switching Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"on both sides nut keeper kit","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"25 x 8.5 mm","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"13 x 1 mm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8913e06a0c18a1601812929d9c806be9.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=376582&mlfb=3VA2040-8HN32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2040-8HN32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3VA2040-8HN32-0AA0?","answer":"Submit an RFQ through this listing; the part is sourced to order and current pricing and availability are confirmed at quote time."},{"question":"What is the breaking capacity of 3VA2040-8HN32-0AA0 at 240 V?","answer":"440 kA at 240 V, 330 kA at 415 V, 220 kA at 500 V, and 53 kA at 690 V."},{"question":"What trip unit does 3VA2040-8HN32-0AA0 use?","answer":"An ETU350 electronic trip unit with adjustable long-time (lg minimum 0.4 s) and instantaneous (li fixed at 480 A) settings."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2040-8HN32-0AA0","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/3VA2040-8HN32-0AA0 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}}