{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-5KP36-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-5KP36-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-5KP36-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-5KP36-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2 molded case circuit breaker, 3VA2140-5KP36-0AA0, 40 A, 3-pole, ETU850 electronic trip unit, line protection, 187 kA interrupting at 240 V.","salesMarkdown":"It is a 3-pole, line-protection device with communication capability, designed for panelboard and distribution applications where adjustable trip curves and high interrupting capacity are required. This MCCB delivers 187 kA interrupting capacity at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. Those numbers tell you what fault levels this breaker can safely clear at each voltage — critical for coordination studies and ensuring the device upstream doesn't have to trip for a downstream fault. ## ETU850 trip unit and thermal performance The ETU850 electronic trip unit allows adjustable overload and short-circuit protection settings, which is what you need when coordinating multiple breakers in a distribution panel. The 3-pole footprint matches standard SENTRON 3VA2 panel cutouts and busbar arrangements. ## Communication and monitoring This breaker includes a communication function and an other measurement function, which means it can report current, power, and energy data over the SENTRON communication bus — useful for energy monitoring and remote trip indication without adding external CTs or meters.","metaTitle":"Siemens 3VA2140-5KP36-0AA0 SENTRON MCCB, 40 A, ETU850, 187 k","metaDescription":"Siemens 3VA2140-5KP36-0AA0 SENTRON molded case circuit breaker, 40 A continuous, ETU850 electronic trip unit, 3-pole, 187 kA interrupting at 240 V. Current lifecycle. Sourced to or","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":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 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","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","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","Ground-Fault Monitoring Version":"Without","Continuous Current / Rated Value":"40 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU850","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 40% to 160%","Product Function / Grounding Protection":"No","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":"LSI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"25 000","Type Of Electrical Connection / For Main Current Circuit":"double-sided box terminal","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=488012&mlfb=3VA2140-5KP36-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2140-5KP36-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting capacity of 3VA2140-5KP36-0AA0 at 240 V?","answer":"The interrupting capacity is 187 kA at 240 V, with 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V."},{"question":"What trip unit does the 3VA2140-5KP36-0AA0 use?","answer":"It uses the ETU850 electronic trip unit, which provides adjustable overload and short-circuit protection settings for coordination flexibility."},{"question":"Where can I buy 3VA2140-5KP36-0AA0 and how is it quoted?","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 3VA2140-5KP36-0AA0 support communication?","answer":"Yes, it includes a communication function and an other measurement function, allowing data reporting over the SENTRON bus for energy monitoring."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-5KP36-0AA0","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/3VA2140-5KP36-0AA0 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}}