{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1110-4EF36-0KC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1110-4EF36-0KC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1110-4EF36-0KC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1110-4EF36-0KC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1110-4EF36-0KC0, 3-pole molded case circuit breaker, 100 A rated current, 121 kA breaking capacity at 240 V AC, line protection design with shunt trip and auxiliary switches.","salesMarkdown":"It carries a 121 kA breaking capacity at 240 V AC, dropping to 75.6 kA at 415 V and 52.5 kA at 440 V — figures that tell you the interrupting capability at your service voltage. ## Current Derating and Thermal Performance At 55 °C it drops to 98 A, then 96 A at 60 °C, 94 A at 65 °C, and 91 A at 70 °C (–). ## Breaking Capacity by Voltage — What It Means for Selectivity The 121 kA at 240 V is the headline number, but the 75.6 kA at 415 V and 52.5 kA at 440 V are the ones that govern most industrial panels. For a 400 V service with a transformer capable of 65 kA fault current, this breaker clears it with margin. Below 415 V the 75.6 kA figure supports selective coordination with downstream 25 kA or 36 kA rated MCBs, provided the let-through energy curves overlap correctly. The 3-pole footprint matches standard SENTRON 3VA mounting rails and busbar systems. No DIN-rail clip — these bolt directly to the mounting plate or plug onto a busbar adapter.","metaTitle":"Siemens 3VA1110-4EF36-0KC0 SENTRON MCCB, 100A, 121kA at 240V","metaDescription":"Siemens SENTRON 3VA1110-4EF36-0KC0 molded case circuit breaker, 3-pole, 100A rated at 40°C, 121kA breaking capacity at 240V AC. Current production. Available to order. Request quot","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":"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 40 °C":"100 A","at 45 °C":"100 A","at 50 °C":"100 A","at 55 °C":"98 A","at 60 °C":"96 A","at 65 °C":"94 A","at 70 °C":"91 A","Depth [In]":"2.76 in","Width [In]":"3 in","Height [In]":"5.12 in","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"Yes","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":"25 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA11104EF360AA0","Design Of The Auxiliary Switch":"2 auxiliary switches HQ","Design Of The Auxiliary Release":"shunt trip (STL)","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":"3VA9688-0BL33","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":"S","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"box terminal on both sides","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=78565&mlfb=3VA1110-4EF36-0KC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1110-4EF36-0KC0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1110-4EF36-0KC0?","answer":"This part is sourced to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commitment."},{"question":"What is the breaking capacity of 3VA1110-4EF36-0KC0 at 415 V?","answer":"75.6 kA at 415 V AC. At 240 V it's 121 kA, at 440 V it's 52.5 kA, and at 500 V or 690 V it's 11.9 kA."},{"question":"Does 3VA1110-4EF36-0KC0 include a shunt trip or auxiliary contacts?","answer":"Yes, it ships with a shunt trip release (STL) and two HQ auxiliary switches factory-installed. No undervoltage release or ground-fault monitoring is fitted."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1110-4EF36-0KC0","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/3VA1110-4EF36-0KC0 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}}