{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-4FF46-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-4FF46-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-4FF46-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-4FF46-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1112-4FF46-0AA0, molded case circuit breaker, 4-pole, 125 A, TM240 thermal-magnetic trip, 121 kA at 240 V, IP40 front.","salesMarkdown":"Interrupting capacity hits 121 kA at 240 V and 75.6 kA at 415 V — that's serious fault-current headroom for a main or feeder breaker in a 480 V industrial panel. At 690 V it still clears 11.9 kA. Four poles let it switch three-phase plus neutral, with the N-conductor protection set at 50% of the phase rating. ## Trip unit and adjustability The TM240 thermal-magnetic release has an adjustable magnetic trip (li) up to 1250 A, so you can dial the instantaneous pickup to coordinate downstream. Maximum power loss is 28.1 W, worth factoring into your enclosure thermal budget.","metaTitle":"Siemens 3VA1112-4FF46-0AA0 SENTRON MCCB, 125 A, 121 kA at 24","metaDescription":"Siemens SENTRON 3VA1112-4FF46-0AA0 molded case circuit breaker, 4-pole, 125 A rated current, TM240 trip unit, 121 kA interrupting at 240 V. Active production, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"101.6 mm","Height":"130 mm","at 240 V":"121 kA","at 415 V":"75.6 kA","at 440 V":"52.5 kA","at 500 V":"11.9 kA","at 690 V":"11.9 kA","at 45 °C":"125 A","at 50 °C":"125 A","at 55 °C":"122 A","at 60 °C":"120 A","at 65 °C":"117 A","at 70 °C":"114 A","Depth [In]":"2.76 in","Width [In]":"4 in","Height [In]":"5.12 in","Number Of Poles":"4","Product version":"Line protection","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"28.1 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Courant permanent assigné Iu":"125 A","Ground-Fault Monitoring Version":"Without","Tension assignée d'isolement Ui":"800 V","Design Of The Overcurrent Release":"TM240","Design Of Short-Circuit Protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","protection class IP / on the front":"IP40","design of the N-conductor protection":"50%","reference code / acc. to IEC 81346-2":"Q","Max. rated operational voltage Ue with DC":"600 V","Product Extension / Optional / Motor Drive":"Yes","Adjustable response value current / li max.":"1 250 A","Adjustable response value current / li min.":"625 A","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"S","Max. rated operational current of the frame size":"160 A","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, round conductor terminal, stranded":"1 x (1.5 - 70 mm²)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/b772cf4e2df76c62c91438904e7105d9.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=229482&mlfb=3VA1112-4FF46-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-4FF46-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1112-4FF46-0AA0?","answer":"This part is sourced to order against an RFQ through independent distribution channels; availability and price are confirmed at quote time."},{"question":"Will 3VA1112-4FF46-0AA0 drop into a panel specified around 3VA1112-5EE32-0AA0?","answer":"Both are 4-pole SENTRON MCCBs in the same 3VA11 frame size, so the mounting footprint and bus-bar centers match. The difference is the trip unit: this one carries a TM240 thermal-magnetic release, while the 5EE32 variant uses an electronic trip. If the panel wiring and bus work are already sized for the same frame, it's a mechanical fit, but verify the trip coordination and accessory compatibility before swapping."},{"question":"What is the interrupting capacity at 240 V?","answer":"It clears 121 kA at 240 V, which is a high-fault rating suitable for main-breaker duty in most industrial panels."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-4FF46-0AA0","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/3VA1112-4FF46-0AA0 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}}