{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-6EF32-0KH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-6EF32-0KH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-6EF32-0KH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-6EF32-0KH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1225-6EF32-0KH0, molded case circuit breaker, 3-pole, 250 A rated continuous current, line protection, TM240 overcurrent release, 220 kA breaking capacity at 240 V.","salesMarkdown":"The IP40 front protection keeps dust and small tools out of the breaker face in a clean indoor enclosure. ## Current derating and thermal management Above that, it derates: 243.3 A at 55 °C, 236.5 A at 60 °C, 229 A at 65 °C, and 223 A at 70 °C. That storage range matters if the part sits in a spares crib for a while before installation — it can handle the cold warehouse. ## Auxiliary contacts and shunt trip These are wired into the control circuit for status feedback — the aux contacts signal open/closed, the alarm contact trips on a fault. A shunt trip release (STL) is integrated for remote tripping via a control signal. No undervoltage release or communication module is fitted on this variant. If remote monitoring or a UVR is needed, the order code would differ. The auxiliary trip module carries its own order code 3VA9688-0BL33 — that's the internal accessory, not a separate breaker. Dimensions: 105 mm wide, 158 mm high, 70 mm deep. The 70 mm depth means it doesn't protrude far into the enclosure, leaving room for wiring ducts or busbars behind it. ## Breaking capacity at different voltage levels The interrupting rating varies significantly with system voltage. At 240 V it's 220 kA; at 415 V it drops to 154 kA; at 440 V it's 36 kA; at 690 V it's 17 kA. The 415 V figure is the one most relevant for a 400 V three-phase industrial panel in Europe or Asia — 154 kA is very high, suitable for a main breaker close to a large transformer. The 440 V and 690 V ratings matter for marine or heavy industrial systems where the line voltage is higher. ## Endurance and trip indication Latching endurance is rated at 15,000 operations. A trip indicator and voltage trigger are built in.","metaTitle":"Siemens 3VA1225-6EF32-0KH0 SENTRON MCCB, 250 A, 3-Pole, 220","metaDescription":"Siemens 3VA1225-6EF32-0KH0 SENTRON molded case circuit breaker, 250 A rated current, 3-pole, line protection, 220 kA breaking capacity at 240 V. Sourced to order. Request quote.","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","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":"Yes","Number of poles":"3","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":"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":"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","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":"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=568829&mlfb=3VA1225-6EF32-0KH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-6EF32-0KH0/alternatives.json"},"ai":{"faq":[{"question":"Does the 3VA1225-6EF32-0KH0 include auxiliary contacts?","answer":"Yes, it comes with 2 auxiliary switches and 1 trip alarm switch (HQ type). A shunt trip release (STL) is also integrated."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-6EF32-0KH0","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/3VA1225-6EF32-0KH0 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}}