{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2140-8HL46-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2140-8HL46-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2140-8HL46-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2140-8HL46-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2140-8HL46-0AA0, Molded case circuit breaker, 4-pole, 40 A rated continuous current, ETU320 electronic overcurrent release, line protection design, breaking capacity 440 kA at 240 V.","salesMarkdown":"It carries an ETU320 electronic overcurrent release, which gives you adjustable thermal-magnetic or electronic trip curves depending on the release variant — here it's the electronic trip unit with LSI protection (long-time, short-time, instantaneous). At 240 V it's rated 440 kA — that's a very high interrupting rating, typical for a current-limiting MCCB used close to the transformer secondary. At 415/440 V it's 330 kA, at 500 V it's 220 kA, and at 690 V it's 52.5 kA. These numbers tell you the breaker can handle high available fault currents on low-voltage systems, but you still need to verify the SCCR at your specific system voltage and the upstream protective device coordination. ## Physical fit — panel space and mounting The depth of 86 mm (3.39 in) matters when you're laying out the gland plate or enclosure depth; it's a relatively shallow breaker, so it clears most 200 mm deep enclosures without crowding the door or busbars. ## What the ETU320 release gives you It's adjustable, so you can set the pickup and delay to coordinate with downstream breakers and avoid nuisance trips on motor inrush or transformer energization. The 40 A continuous rating is the frame's maximum; you can set the long-time pickup lower if the load draws less. ## Temperature performance — no derating up to 70 °C That's unusual — most MCCBs start derating above 40 °C. If your panel is in a hot factory, boiler room, or outdoor cabinet in direct sun, this breaker won't force you to oversize the frame just to handle the ambient heat. ## Power loss and auxiliary functions It's a straight line-protection device: no bells, no remote monitoring. If you need shunt trip, UVR, or auxiliary contacts, those are add-on accessories that mount to the breaker's accessory slots, but they're not included on this order code. Ground-fault monitoring is also not built in.","metaTitle":"Siemens 3VA2140-8HL46-0AA0 SENTRON MCCB, 40 A, 4-Pole, ETU32","metaDescription":"Siemens SENTRON 3VA2140-8HL46-0AA0 molded case circuit breaker, 40 A continuous, 4-pole, ETU320 release. Breaking capacity 440 kA at 240 V. Active production. 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":"140 mm","Height":"181 mm","Maximum":"480 A","Minimum":"60 A","at 240 V":"440 kA","at 415 V":"330 kA","at 440 V":"330 kA","at 500 V":"220 kA","at 690 V":"52.5 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]":"5.51 in","Height [In]":"7.13 in","Trip Indicator":"No","Number Of Poles":"4","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":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"1.2 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Continuous Current / Rated Value":"40 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU320","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 100%","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":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"L","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=430239&mlfb=3VA2140-8HL46-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2140-8HL46-0AA0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3VA2140-8HL46-0AA0?","answer":"We source and quote this part to order against an RFQ. Availability and current pricing are confirmed at quote time through our independent distribution network."},{"question":"What is the breaking capacity of 3VA2140-8HL46-0AA0 at different voltages?","answer":"At 240 V it's 440 kA, at 415/440 V it's 330 kA, at 500 V it's 220 kA, and at 690 V it's 52.5 kA."},{"question":"What are the physical dimensions of this MCCB?","answer":"Width is 140 mm, height is 181 mm, and depth is 86 mm."},{"question":"Does this breaker require derating at high ambient temperatures?","answer":"No. The 40 A continuous rating holds across the full operating range from -25 °C to 70 °C — no derating needed even in hot enclosures."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2140-8HL46-0AA0","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/3VA2140-8HL46-0AA0 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}}