{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-6EF42-0KA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-6EF42-0KA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-6EF42-0KA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-6EF42-0KA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1225-6EF42-0KA0, molded case circuit breaker, 4-pole, 250 A rated continuous current, TM240 overcurrent release, shunt trip, breaking capacity 220 kA at 240 V.","salesMarkdown":"Four poles cover three-phase plus neutral, and the shunt trip (STL) allows remote tripping. Breaking capacity hits 220 kA at 240 V, 154 kA at 415 V, 36 kA at 440 V, and 17 kA at 690 V — so it handles high-fault utility feeds and transformer secondaries. ## Current rating across the panel ambient range At 55 °C it derates to 243.3 A, at 60 °C to 236.5 A, at 65 °C to 229 A, and at 70 °C to 223 A.","metaTitle":"Siemens 3VA1225-6EF42-0KA0 SENTRON MCCB, 250 A, 4-Pole, 220","metaDescription":"Siemens 3VA1225-6EF42-0KA0 SENTRON molded case circuit breaker, 250 A continuous, 4-pole, breaking capacity 220 kA at 240 V. Active production. Sourced 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":"140 mm","Height":"158 mm","at 240 V":"220 kA","at 415 V":"154 kA","at 440 V":"36 kA","at 690 V":"17 kA","at 40 °C":"250 A","at 45 °C":"250 A","at 50 °C":"250 A","at 55 °C":"243.3 A","at 60 °C":"236.5 A","at 65 °C":"229 A","at 70 °C":"223 A","Trip indicator":"No","Number of poles":"4","Product version":"Line protection","Voltage trigger":"Yes","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"No","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":"250 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Shunt trip (STL)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9688-0BL33","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","Design of the N-conductor protection":"Without","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":"600 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"250 A","Adjustable response value current / li max.":"2 500 A","Adjustable response value current / li min.":"1 250 A","Adjustable response value current / lr min.":"175 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":"H","Max. rated operational current of the frame size":"250 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","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.":"25 x 8","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"13 x 1"}},"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=568853&mlfb=3VA1225-6EF42-0KA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-6EF42-0KA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1225-6EF42-0KA0?","answer":"Sourced and quoted to order against an RFQ through independent distribution; availability and pricing confirmed at quote time."},{"question":"What are the key ratings of this MCCB?","answer":"Rated continuous current 250 A, 4-pole, breaking capacity 220 kA at 240 V / 154 kA at 415 V / 36 kA at 440 V / 17 kA at 690 V, TM240 thermal-magnetic release, shunt trip included."},{"question":"What is the depth of 3VA1225-6EF42-0KA0?","answer":"70 mm."},{"question":"What is the width of 3VA1225-6EF42-0KA0?","answer":"140 mm."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-6EF42-0KA0","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/3VA1225-6EF42-0KA0 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}}