{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VM1125-4EE32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VM1125-4EE32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VM1125-4EE32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VM1125-4EE32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VM1125-4EE32-0AA0, molded case circuit breaker, 3-pole, 25 A rated, TM220 thermal-magnetic release, 121 kA at 240 V AC.","salesMarkdown":"## Breaking Capacity — What the Ratings Mean The 3VM1125-4EE32-0AA0: This MCCB delivers 121 kA interrupting capacity at 240 V AC, dropping to 76 kA at 415 V, 53 kA at 440 V, and 12 kA at 500 V. At 240 V it handles the highest fault currents typical of North American 120/240 V split-phase service; at 415 V and 440 V it covers European and Asian 400 V-class industrial grids. The 12 kA at 500 V is still adequate for most motor branch circuits on 480 V systems. ## Thermal Derating — Not a Fixed 25 A Across Temperature At 55 °C it derates to 24 A, at 65 °C to 23 A, and at 70 °C to 23 A. ## Panel Fit and Protection Class Dimensions are 130 mm height, 76.2 mm width, 70 mm depth — a standard 3-pole MCCB footprint for DIN-rail or panel-mount installation.","metaTitle":"Siemens 3VM1125-4EE32-0AA0 SENTRON MCCB, 25 A, 3-Pole, 121 k","metaDescription":"Siemens SENTRON 3VM1125-4EE32-0AA0 molded case circuit breaker, 25 A rated, 3-pole, TM220 release. Breaking capacity 121 kA at 240 V AC. Active production. Quoted to order against","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","Maximum":"320 A","Minimum":"1 s","at 240 V":"121 kA","at 415 V":"76 kA","at 440 V":"53 kA","at 500 V":"12 kA","at 40 °C":"25 A","at 45 °C":"25 A","at 50 °C":"25 A","at 55 °C":"24 A","at 60 °C":"24 A","at 65 °C":"23 A","at 70 °C":"23 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":"No","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"9 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM220","Design Of Short-Circuit Protection":"For switching capacity values in DC power systems, see the 3VA Molded Case Circuit Breaker Manual; link available under Service & Support in the last chapter","protection class IP / on the front":"IP40","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":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"S","Mechanical Service Life (Operating Cycles) / Typical":"15 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front connection"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/890a9c4e8f724baae13c5de28442f149.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=575465&mlfb=3VM1125-4EE32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VM1125-4EE32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VM1125-4EE32-0AA0 at different voltages?","answer":"At 240 V it interrupts 121 kA; at 415 V, 76 kA; at 440 V, 53 kA; at 500 V, 12 kA. These are the maximum fault currents it can safely clear at each voltage level."},{"question":"Where can I buy 3VM1125-4EE32-0AA0 and how is it quoted?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit a request for quote to confirm current availability and pricing — no stock or price figures are published here."},{"question":"Does this breaker have a trip indicator or undervoltage release?","answer":"No. The 3VM1125-4EE32-0AA0 has no trip indicator, no undervoltage release, and no communication function — it is a basic thermal-magnetic MCCB for line protection."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VM1125-4EE32-0AA0","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/3VM1125-4EE32-0AA0 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}}