{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-6JQ32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-6JQ32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-6JQ32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-6JQ32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2140-6JQ32-0AA0, molded case circuit breaker, 3-pole, 40 A continuous rated current, 242 kA breaking capacity at 240 V AC, line protection design with ground-fault monitoring.","salesMarkdown":"The Siemens SENTRON 3VA2140-6JQ32-0AA0 is a 3-pole molded case circuit breaker (MCCB) rated for 40 A continuous current, designed for line protection in distribution panels. The 800 V rated insulation voltage gives headroom for 480 V and 600 V class systems. This MCCB delivers 242 kA at 240 V, 187 kA at both 415 V and 440 V, 121 kA at 500 V, and 3.7 kA at 690 V. For 480 V systems (common in North American industrial), the 187 kA figure at 440 V is the closest published rating; expect similar or slightly lower performance at 480 V. The 3.7 kA at 690 V still covers most 690 V distribution fault levels. ## Thermal performance and derating The breaker holds its full 40 A rating from 40 °C through 70 °C ambient — no derating needed across that span. That simplifies panel design in warm enclosures or near heat sources. Power loss is 1.6 W maximum, negligible for thermal budgeting. Operating range is -25 °C to 70 °C; storage from -40 °C to 80 °C. Dimensions are 181 mm high, 105 mm wide, 86 mm deep — a standard MCCB footprint for this current class. The 105 mm width (4.13 in) is the critical dimension for multi-pole grouping on a DIN rail or panel-mount plate. Verify busbar spacing and enclosure depth against the 86 mm (3.39 in) depth, especially in shallow pull-boxes. ## Ground-fault and communication features The communication function (likely a modular communication module option) allows integration with building management or SCADA systems for remote trip indication and load monitoring.","metaTitle":"Siemens SENTRON 3VA2140-6JQ32-0AA0 MCCB, 40 A, 3-Pole, 242 k","metaDescription":"Siemens SENTRON 3VA2140-6JQ32-0AA0 molded case circuit breaker, 40 A continuous, 3-pole, 242 kA breaking capacity at 240 V. Line protection design with ground-fault monitoring. Act","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":"3.7 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":"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":"1.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","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":"ETU560","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":"160 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/cda978e31ec81fb539d5632cb59bd0b3.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=86938&mlfb=3VA2140-6JQ32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2140-6JQ32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Does this breaker include ground-fault protection?","answer":"Yes, it includes ground-fault monitoring via summation current formation on the L-conductor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-6JQ32-0AA0","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/3VA2140-6JQ32-0AA0 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}}