{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-5KP32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-5KP32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-5KP32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-5KP32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2140-5KP32-0AA0, 3-pole molded case circuit breaker, 40 A rated current, ETU850 electronic trip unit, 187 kA interrupting capacity at 240 VAC.","salesMarkdown":"The Siemens 3VA2140-5KP32-0AA0 is a 3-pole SENTRON molded case circuit breaker (MCCB) configured for line protection, carrying a full-rated 40 A continuously from 40 °C through 70 °C — no derating needed across the typical panel ambient range. That 40 A is the same at 40 °C, 45 °C, 50 °C, 55 °C, 60 °C, 65 °C, and 70 °C, so the breaker holds its rating in a warm enclosure without a temperature correction factor. The interrupting capacity tells the selectivity story: 187 kA at 240 V, 121 kA at 415 V and 440 V, 76 kA at 500 V, and 3.8 kA at 690 V. At typical 480Y/277 V distribution, the 121 kA SCCR gives ample headroom for a high-fault service entrance or downstream coordination with smaller branch breakers. The ETU850 electronic trip unit (adjustable Ii from 60 A to 480 A, Ig min 0.5 s) enables precise long-time and short-time pickup settings — critical for selective coordination studies required by NEC 240.87 and 240.91. Communication function is built in (no external module required), and the neutral conductor is upgradeable or retrofittable — useful for 4-wire systems where you add the neutral pole later.","metaTitle":"Siemens 3VA2140-5KP32-0AA0 SENTRON MCCB, 40 A, 187 kA at 240","metaDescription":"Siemens SENTRON 3VA2140-5KP32-0AA0 molded case circuit breaker, 40 A rated, 187 kA interrupting at 240 VAC. ETU850 electronic trip unit. 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","title":"3VA2140-5KP32-0AA0","Height":"181 mm","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"76 kA","at 690 V":"3.8 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","description":"circuit breaker 3VA2 IEC frame 160 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection ETU850, LSI, In=40A overload protection Ir=16A...40A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In N conductor protection optionally with external current transformer, up to 160% nut keeper kit","Number Of Poles":"3","Product version":"Line protection","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","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","Ground-Fault Monitoring Version":"Without","Tension assignée d'isolement Ui":"800 V","Design Of The Overcurrent Release":"ETU850","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.":"0.5 s","Adjustable response value current / li max.":"480 A","Adjustable response value current / li min.":"60 A","Neutral conductors / upgradeable/retrofittable":"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 (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":"$495.30","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=3025&mlfb=3VA2140-5KP32-0AA0"},"ai":{"faq":[{"question":"What is the interrupting capacity of 3VA2140-5KP32-0AA0 at 240 V?","answer":"187 kA at 240 V, dropping to 121 kA at 415 V and 440 V, 76 kA at 500 V, and 3.8 kA at 690 V."},{"question":"What trip unit does 3VA2140-5KP32-0AA0 use?","answer":"The ETU850 electronic overcurrent release, with adjustable short-time pickup (Ii) from 60 A to 480 A and a minimum ground-fault response time of 0.5 s."},{"question":"Where can I buy 3VA2140-5KP32-0AA0 and how is it quoted?","answer":"This part is sourced to order through independent distribution. Submit an RFQ for current availability and pricing — confirmed at quote time."},{"question":"Will 3VA2140-5KP32-0AA0 drop into a panel specified for 3VA2140-8JQ42-0AA0?","answer":"Both are 3-pole SENTRON MCCBs in the same 181 x 105 x 86 mm frame, so the mechanical footprint is identical. The difference is the trip unit and accessories — verify the ETU850 settings match your coordination study before swapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-5KP32-0AA0","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/3VA2140-5KP32-0AA0 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}}