{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-5EF32-0BC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-5EF32-0BC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-5EF32-0BC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-5EF32-0BC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1112-5EF32-0BC0, molded case circuit breaker, 3-pole, 125 A rated continuous current Iu, TM240 overcurrent release, line protection, 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, 17 kA at 690 V, with undervoltage release (UVR) and 2 auxiliary switches HQ.","salesMarkdown":"## Rated current and interrupting capacity The TM240 thermal-magnetic release provides line protection, with the thermal element calibrated for ambient temperatures up to 40 °C. Interrupting capacity is specified at four voltage levels: 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 690 V. ## Integrated undervoltage release and auxiliary contacts Two HQ auxiliary switches are also integrated, providing status feedback for the breaker's open/closed position. Front-face protection is IP40.","metaTitle":"Siemens 3VA1112-5EF32-0BC0 SENTRON MCCB, 125 A, 3-Pole, TM24","metaDescription":"Siemens 3VA1112-5EF32-0BC0 SENTRON molded case circuit breaker, 125 A rated continuous current, 3-pole, TM240 release, 187 kA at 240 V. Quoted to order against RFQ.","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":"187 kA","at 415 V":"121 kA","at 440 V":"75.6 kA","at 690 V":"17 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","Undervoltage Release":"Yes","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"2 auxiliary switches HQ","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","Of The Supplied Basic Switch":"3VA11125EF320AA0","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 / lg min.":"125 A","Adjustable response value current / li max.":"1 250 A","Adjustable response value current / li min.":"625 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"2","Protection Function Of The Overcurrent Release":"LI","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching capacity class of the circuit breaker":"M","Max. rated operational current of the frame size":"160 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Mechanical service life (switching cycles) / typical":"15 000","Type of electrical connection / for main current circuit":"lug terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"17 x 6.5","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"12 x 0"}},"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=55473&mlfb=3VA1112-5EF32-0BC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-5EF32-0BC0/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation does Siemens provide for 3VA1112-5EF32-0BC0?","answer":"As a current-production SENTRON MCCB, this part carries the standard Siemens compliance documentation package including CE marking, UL/CSA certifications per the 3VA series, and RoHS/REACH declarations. Specific certificate numbers are available in the product documentation linked from the Siemens Industry Online Support portal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-5EF32-0BC0","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/3VA1112-5EF32-0BC0 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}}