{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-6EF32-0DC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-6EF32-0DC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-6EF32-0DC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-6EF32-0DC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1112-6EF32-0DC0, molded case circuit breaker, 3-pole, 125 A, 220 kA breaking capacity at 240 V, with undervoltage release and 2 auxiliary switches HQ.","salesMarkdown":"The Siemens SENTRON 3VA1112-6EF32-0DC0 is a 3-pole molded case circuit breaker (MCCB) rated for line protection, carrying a continuous current of 125 A at 40 °C and a rated insulation voltage of 800 V. Its interrupting capacity sits at 220 kA at 240 V, 154 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 500/690 V — that's the short-circuit current it can safely clear at each voltage level without welding or rupturing, which governs your panel's SCCR coordination downstream. ## Thermal derating and auxiliary fit The breaker holds its full 125 A rating up to 50 °C ambient, then derates to 122 A at 55 °C, 120 A at 60 °C, 117 A at 65 °C, and 114 A at 70 °C.","metaTitle":"Siemens 3VA1112-6EF32-0DC0 SENTRON MCCB, 125 A, 3-Pole, 220","metaDescription":"Siemens 3VA1112-6EF32-0DC0 SENTRON molded case circuit breaker, 125 A, 3-pole, 220 kA breaking capacity at 240 V. Active production. Quoted to order.","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","Maximum":"0 A","Minimum":"0 A","at 240 V":"220 kA","at 415 V":"154 kA","at 440 V":"75.6 kA","at 500 V":"17 kA","at 690 V":"17 kA","at 40 °C":"125 A","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]":"3 in","Height [In]":"5.12 in","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"Yes","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"30.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA11126EF320AA0","Design Of The Auxiliary Switch":"2 auxiliary switches HQ","Design Of The Auxiliary Release":"undervoltage release (UVR)","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"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","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB25","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"2","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching Capacity Class Of The Circuit Breaker":"H","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"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=442495&mlfb=3VA1112-6EF32-0DC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-6EF32-0DC0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1112-6EF32-0DC0 and how is it quoted?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the breaking capacity of 3VA1112-6EF32-0DC0 at different voltages?","answer":"The interrupting capacity is 220 kA at 240 V, 154 kA at 415 V, 75.6 kA at 440 V, and 17 kA at both 500 V and 690 V."},{"question":"Does 3VA1112-6EF32-0DC0 include an undervoltage release?","answer":"Yes, it comes with a factory-fitted undervoltage release (UVR) and two HQ auxiliary switches for remote status indication."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-6EF32-0DC0","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/3VA1112-6EF32-0DC0 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}}