{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-5EF32-0AH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-5EF32-0AH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-5EF32-0AH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-5EF32-0AH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1225-5EF32-0AH0, molded case circuit breaker, 3-pole, 250 A, TM240 thermal-magnetic release, 187 kA at 240 V, line protection.","salesMarkdown":"This is a straightforward overcurrent-only breaker for distribution or feeder duty. ## Breaking capacity and thermal curve Rated breaking capacity hits 187 kA at 240 V, 121 kA at 415 V, 36 kA at 440 V, and 17 kA at 690 V. The thermal-magnetic release holds 250 A flat from 40 °C through 50 °C, then derates to 243.3 A at 55 °C, 236.5 A at 60 °C, 229 A at 65 °C, and 223 A at 70 °C. ## Physical fit and auxiliary contacts Dimensions: 105 mm wide, 158 mm tall, 70 mm deep. No separate aux kit to order.","metaTitle":"Siemens 3VA1225-5EF32-0AH0 SENTRON MCCB, 250 A, 3-Pole, TM24","metaDescription":"Siemens 3VA1225-5EF32-0AH0 SENTRON molded case circuit breaker, 250 A rated continuous current, 3-pole, TM240 thermal-magnetic release, 187 kA at 240 V. Current production. Quoted","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"105 mm","title":"3VA1225-5EF32-0AH0","Height":"158 mm","at 240 V":"187 kA","at 415 V":"121 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","description":"circuit breaker 3VA1 IEC frame 250 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection TM240, ATAM, In=250A overload protection Ir=175A...250A short-circuit protection Ii=5...10 x In nut keeper kit 2 auxiliary switches HQ 1 trip alarm switch HQ","Trip indicator":"Yes","Number of poles":"3","Product version":"Line protection","Voltage trigger":"No","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":"2 auxiliary switches + 1 trip alarm switch HQ","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":"without auxiliaryrelease","Ground fault monitoring version":"Without","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 / 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":"3","Protective function of the overcurrent release":"LI","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching capacity class of the circuit breaker":"M","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/363641e5e9f024989a73fc0ac4ed9d75.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=568664&mlfb=3VA1225-5EF32-0AH0"},"ai":{"faq":[{"question":"Where can I buy 3VA1225-5EF32-0AH0 and get a price?","answer":"Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time."},{"question":"What are the key ratings for 3VA1225-5EF32-0AH0?","answer":"Rated continuous current 250 A, breaking capacity 187 kA at 240 V and 121 kA at 415 V, rated insulation voltage 800 V, TM240 thermal-magnetic release, 3 poles."},{"question":"What is the depth of this MCCB?","answer":"The 3VA1225-5EF32-0AH0 has a depth of 70 mm."},{"question":"What is the width of this MCCB?","answer":"The 3VA1225-5EF32-0AH0 has a width of 105 mm."},{"question":"Will 3VA1225-5EF32-0AH0 drop into a panel specified for 3VA1110-5EE32-0DC0?","answer":"Both are 3-pole SENTRON MCCBs on the same frame family, so the mounting footprint and bus-bar centers match. The 3VA1225-5EF32-0AH0 is a higher-current variant (250 A vs the 3VA1110's lower rating) with a different TM release; verify the load-side conductor sizing and fault-current coordination before swapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-5EF32-0AH0","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/3VA1225-5EF32-0AH0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}