{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-4EF36-0BA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-4EF36-0BA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-4EF36-0BA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-4EF36-0BA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1112-4EF36-0BA0, molded case circuit breaker, 3-pole, 125 A, line protection, TM240 overcurrent release, 121 kA at 240 V.","salesMarkdown":"The Siemens SENTRON 3VA1112-4EF36-0BA0 is a 3-pole molded case circuit breaker rated for 125 A continuous current (Iu) at up to 50 °C ambient, with a TM240 thermal-magnetic overcurrent release. The interrupting ratings are 121 kA at 240 V, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at 690 V, so it handles high-fault utility feeds without cascading upstream. The 70 mm depth and 76.2 mm width fit standard Siemens 3VA panel footprints; the undervoltage release (UVR) is integrated, and the auxiliary trip accessory (3VA9608-0BB11) can be added for shunt-trip or remote-trip applications. Above that, it derates: 120 A at 55 °C, 117.5 A at 60 °C, 115 A at 65 °C, and 112.5 A at 70 °C. ## What's not on this breaker No trip indicator, no voltage-trip function, no communication module, no phase-failure detection, no ground-fault monitoring, and no auxiliary contact built in. The undervoltage release is the only integrated auxiliary. If you need remote status or shunt-trip capability, the separate 3VA9608-0BB11 auxiliary trip must be ordered alongside.","metaTitle":"Siemens 3VA1112-4EF36-0BA0 SENTRON MCCB, 125 A, 3-pole, line","metaDescription":"Siemens SENTRON 3VA1112-4EF36-0BA0 molded case circuit breaker, 125 A rated continuous current, 3-pole, line protection, TM240 release, 121 kA at 240 V. Active production, sourced","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","at 240 V":"121 kA","at 415 V":"75.6 kA","at 440 V":"52.5 kA","at 690 V":"11.9 kA","at 40 °C":"125 A","at 45 °C":"125 A","at 50 °C":"125 A","at 55 °C":"120 A","at 60 °C":"117.5 A","at 65 °C":"115 A","at 70 °C":"112.5 A","Trip indicator":"No","Number of poles":"3","Product version":"Line protection","Voltage trigger":"No","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"Yes","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"125 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Undervoltage release (UVR)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9608-0BB11","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","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"1","Adjustable response value time / tr min.":"1","Max. rated operational voltage Ue with DC":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"125 A","Adjustable response value current / li max.":"1 250 A","Adjustable response value current / li min.":"625 A","Adjustable response value current / lr min.":"88 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":"160 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"box terminal","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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=15717&mlfb=3VA1112-4EF36-0BA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-4EF36-0BA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1112-4EF36-0BA0 and how do I get a price?","answer":"We source this MCCB to order against an RFQ. Submit a request for quote and we'll confirm availability and current pricing — no stock count or price is published here."},{"question":"What is 3VA1112-4EF36-0BA0's listed depth and width?","answer":"The depth is 70 mm and the width is 76.2 mm, matching the standard 3VA panel footprint for 3-pole breakers."},{"question":"Will 3VA1112-4EF36-0BA0 drop into a panel specified around 3VA1112-5EF32-0CA0?","answer":"The 3VA1112-4EF36-0BA0 shares the same 3-pole frame size and mounting footprint as the 3VA1112-5EF32-0CA0, so mechanical fit is identical. The difference is the overcurrent release: this one uses a TM240 thermal-magnetic release, while the -5EF32 variant uses a different release curve. Verify the trip settings match your coordination study before swapping."},{"question":"What compliance documentation does Siemens provide for 3VA1112-4EF36-0BA0?","answer":"Siemens SENTRON 3VA breakers carry CE marking and are designed to IEC 60947-2. The manufacturer provides a declaration of conformity and, on request, RoHS and REACH compliance statements. UL/CSA listings are not confirmed for this specific order code — check the nameplate or request the compliance pack at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-4EF36-0BA0","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/3VA1112-4EF36-0BA0 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}}