{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2025-4HL42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2025-4HL42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2025-4HL42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2025-4HL42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2025-4HL42-0AA0, molded case circuit breaker, 4-pole, 25 A rated continuous current, ETU320 electronic overcurrent release, line protection version, interrupting capacity 121 kA at 240 V.","salesMarkdown":"The Siemens SENTRON 3VA2025-4HL42-0AA0 is a 4-pole molded case circuit breaker rated for 25 A continuous current across the full ambient range from 40 °C to 70 °C — no derating curve to chase. That 25 A holds flat at every temperature step in the operating band, which simplifies panel thermal budgeting for a line-up of breakers in a closed cabinet. Interrupting capacity hits 121 kA at 240 V and 76 kA at 415/440 V, then drops to 53 kA at 500 V and 3 kA at 690 V. The 121 kA figure at 240 V covers high-fault utility or transformer-secondaries; the 76 kA at 415 V is the number most plant-floor distribution engineers will check first for IEC 60947-2 coordination studies. It carries the ETU320 electronic overcurrent release with an adjustable time delay tr from 0.5 to 17 s and N-conductor protection configurable as OFF or 100% of the phase rating. That adjustability lets you shape the trip curve to match downstream load inrush without oversizing the breaker. Power loss is only 0.84 W maximum — negligible in a densely packed distribution panel. Dimensions: 181 mm height, 140 mm width, 86 mm depth. The 4-pole width (140 mm) is the standard 4-module MCCB footprint for this frame size — verify existing panel cutout and busbar centers against those numbers before ordering. No IP rating on the rear or sides; the breaker relies on the enclosure for overall ingress protection. ## What the ETU320 release gives you The ETU320 is a basic electronic trip unit with L (long-time) and I (instantaneous) protection — no ground-fault, no communication, no measurement. The tr adjustment range of 0.5 to 17 s lets you coordinate with downstream feeders or motor-start profiles without a more expensive trip unit.","metaTitle":"Siemens 3VA2025-4HL42-0AA0 SENTRON MCCB, 4P, 25 A, ETU320, 1","metaDescription":"Siemens SENTRON 3VA2025-4HL42-0AA0 molded case circuit breaker, 4-pole, 25 A rated, ETU320 electronic release. Interrupting capacity 121 kA at 240 V. Active production. Quoted to o","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"86 mm","Width":"140 mm","title":"3VA2025-4HL42-0AA0","Height":"181 mm","at 240 V":"121 kA","at 415 V":"76 kA","at 440 V":"76 kA","at 500 V":"53 kA","at 690 V":"3 kA","at 40 °C":"25 A","at 45 °C":"25 A","at 50 °C":"25 A","at 55 °C":"25 A","at 60 °C":"25 A","at 65 °C":"25 A","at 70 °C":"25 A","Depth [in]":"3.4 in","Width [in]":"5.5 in","Height [in]":"7.1 in","description":"circuit breaker 3VA2 IEC frame 100 breaking capacity class S Icu=36kA @ 415V 4-pole, line protection ETU320, LI, In=25A overload protection Ir=10A...25A short-circuit protection Ii=1.5...12 x In N conductor protection adjustable (OFF, 100%) nut keeper kit","Number of poles":"4","Product version":"Line protection","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"20 000","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"0.84 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-40 °C","Other Measurement Function":"No","Rated continuous current Iu":"25 A","Rated insulation voltage Ui":"800 V","Ground fault monitoring version":"Without","Design of the overcurrent release":"ETU320","Protection class IP / on the front":"IP40","Design of the N-conductor protection":"adjustable OFF; 100%","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"17","Adjustable response value time / tr min.":"0.5","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"25 A","Adjustable response value current / li max.":"300 A","Adjustable response value current / li min.":"38 A","Adjustable response value current / lr min.":"10 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LI","Switching capacity class of the circuit breaker":"S","Max. rated operational current of the frame size":"100 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"Lug terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/ca27d2cf1aabeabbec62b2847f7eaa2b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=339498&mlfb=3VA2025-4HL42-0AA0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2025-4HL42-0AA0","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/3VA2025-4HL42-0AA0 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}}