{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2040-6KQ32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2040-6KQ32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2040-6KQ32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2040-6KQ32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2040-6KQ32-0AA0, molded case circuit breaker, line protection, 3-pole, 40 A continuous, 800 V insulation, 187 kA breaking at 415 V.","salesMarkdown":"This MCCB's interrupting rating varies with line voltage: 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3 kA at 690 V. The 242 kA at 240 V covers most North American 277/480 V panelboard mains where the line-to-ground fault can be extreme. ## Built-in monitoring and communication That means it can report trip events and leakage current over a bus to a PLC or energy management system — useful for a plant engineer trying to isolate a recurring fault without walking every panel. The other measurement function listed suggests it can also track energy or power quality data through the same comms link. ## Panel fit and thermal limits","metaTitle":"Siemens 3VA2040-6KQ32-0AA0 SENTRON MCCB, 40 A, 3-Pole","metaDescription":"Siemens SENTRON 3VA2040-6KQ32-0AA0 molded case circuit breaker, 40 A continuous, 3-pole, 800 V insulation voltage. Breaking capacity 187 kA at 415 V. Active production. Sourced to","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","Maximum":"480 A","Minimum":"60 A","at 240 V":"242 kA","at 415 V":"187 kA","at 440 V":"187 kA","at 500 V":"121 kA","at 690 V":"3 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","Initial Value":"16 A","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Full-Scale Value":"40 A","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","Communication Function":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"2.2 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"Yes","Ground-Fault Monitoring Version":"Summation current formation L-conductor","Continuous Current / Rated Value":"40 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU860","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 40% to 160%","Product Function / Grounding Protection":"Yes","operating voltage / at AC / rated value":"690 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"100 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSIG","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"H","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,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/aa9918cc8179a5bdf906a67aae3eb64a.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=73912&mlfb=3VA2040-6KQ32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2040-6KQ32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this MCCB at 415 V?","answer":"The breaking capacity is 187 kA at 415 V, which also applies at 440 V. At 240 V it rises to 242 kA; at 690 V it drops to 3 kA."},{"question":"Where can I buy the 3VA2040-6KQ32-0AA0 and get current pricing?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"Does this breaker have ground-fault monitoring?","answer":"Yes, it includes a ground-fault monitoring version using summation current formation on the L-conductor, plus an additional measurement function for energy or power quality data."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2040-6KQ32-0AA0","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/3VA2040-6KQ32-0AA0 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}}