{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-6KQ32-0KF0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-6KQ32-0KF0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-6KQ32-0KF0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-6KQ32-0KF0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON series, Molded case circuit breaker, 3VA2140-6KQ32-0KF0, 40 A rated, 3-pole, 242 kA breaking capacity at 240 V AC.","salesMarkdown":"The breaker carries a massive 242 kA breaking capacity at 240 V AC, dropping to 187 kA at 415 V and 440 V, then 121 kA at 500 V, and 3.7 kA at 690 V. No special cutout; it mounts on the standard MCCB footprint. ## Thermal performance and derating No derating curve to chase across the typical panel temperature range — that's unusual for an MCCB and simplifies the panel builder's thermal budget. Max power loss is 1.6 W, which is negligible for heat buildup in a multi-breaker enclosure.","metaTitle":"Siemens 3VA2140-6KQ32-0KF0 SENTRON MCCB, 40 A, 3-Pole, 242 k","metaDescription":"Siemens SENTRON 3VA2140-6KQ32-0KF0 molded case circuit breaker, 40 A rated, 3-pole, 242 kA breaking at 240 V. Active production. Sourced to order — RFQ for current price and lead t","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"86 mm","Width":"105 mm","Height":"181 mm","Maximum":"64 A","Minimum":"1.5 A","at 240 V":"242 kA","at 415 V":"187 kA","at 440 V":"187 kA","at 500 V":"121 kA","at 690 V":"3.7 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","Initial Value":"16 A","Trip Indicator":"Yes","Number Of Poles":"3","Voltage Trigger":"Yes","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":"1.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"Yes","Of The Supplied Basic Switch":"3VA21406KQ320AA0","Design Of The Auxiliary Switch":"1 auxiliary switch + 1 trip alarm switch HQ","Design Of The Auxiliary Release":"shunt trip (STL)","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%","Of The Integrated Auxiliary Trip Unit":"3VA9688-0BL33","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":"160 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSIG","number of CO contacts / for auxiliary contacts":"2","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","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/cda978e31ec81fb539d5632cb59bd0b3.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=40825&mlfb=3VA2140-6KQ32-0KF0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2140-6KQ32-0KF0/alternatives.json"},"ai":{"faq":[{"question":"How do I get pricing and availability for 3VA2140-6KQ32-0KF0?","answer":"Submit an RFQ. This part is sourced and quoted to order through independent distribution. Current pricing and lead time are confirmed at quote time — no stock figures or price lists published here."},{"question":"What are the key ratings for this MCCB?","answer":"Rated continuous current is 40 A (full-scale), with an adjustable initial value of 16 A. Breaking capacity is 242 kA at 240 V AC, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3.7 kA at 690 V. It's a 3-pole unit with a shunt trip release and a trip indicator."},{"question":"What are the physical dimensions of 3VA2140-6KQ32-0KF0?","answer":"Height is 181 mm, width is 105 mm, depth is 86 mm. The 86 mm depth is the key dimension for enclosure fit — it fits a standard 200 mm deep panel with room for wiring."},{"question":"Does this breaker have a communication function?","answer":"Yes, it includes a communication function for integration into a monitored distribution system, plus a voltage trigger and trip indicator."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-6KQ32-0KF0","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/3VA2140-6KQ32-0KF0 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}}