{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2225-7KQ42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2225-7KQ42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2225-7KQ42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2225-7KQ42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2 series, molded case circuit breaker (MCCB), 3VA2225-7KQ42-0AA0, 250 A rated, 4-pole, line protection, 86 mm depth.","salesMarkdown":"The interrupting ratings climb steeply with voltage: 330 kA at 240 V, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 4.5 kA at 690 V. ## Thermal derating — what the continuous current actually means at panel temperature The 250 A continuous rating is only valid up to 50 °C ambient. Above that, the breaker derates linearly: 238 A at 55 °C, 225 A at 60 °C, 213 A at 65 °C, and 200 A at 70 °C. ## Ground-fault monitoring and communication This variant includes ground-fault monitoring using summation current formation on the L + N conductor — it measures the vector sum of phase and neutral currents to detect leakage to earth. That makes it suitable for TN or TT systems where you need GF protection integrated into the breaker rather than a separate relay. It also has a communication function, so it can report status, trip events, and measured values over a bus system — typical for a digital switchboard or an energy-management setup where the breaker talks to a PLC or BMS. Dimensions are 181 mm height, 140 mm width, 86 mm depth. Maximum power loss is 48 W at rated current — that heat has to be ventilated or factored into the enclosure thermal calculation.","metaTitle":"Siemens 3VA2225-7KQ42-0AA0 SENTRON MCCB, 250 A, 4-Pole, 86 m","metaDescription":"Siemens 3VA2225-7KQ42-0AA0 SENTRON molded case circuit breaker, 250 A continuous, 4-pole, 330 kA at 240 V. Active production. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"86 mm","Width":"140 mm","Height":"181 mm","Maximum":"2 500 A","Minimum":"375 A","at 240 V":"330 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"187 kA","at 690 V":"4.5 kA","at 40 °C":"250 A","at 45 °C":"250 A","at 50 °C":"250 A","at 55 °C":"238 A","at 60 °C":"225 A","at 65 °C":"213 A","at 70 °C":"200 A","Depth [In]":"3.39 in","Width [In]":"5.51 in","Height [In]":"7.13 in","Initial Value":"50 A","Trip Indicator":"No","Number Of Poles":"4","Voltage Trigger":"No","lifecycle_stage":"current","Full-Scale Value":"250 A","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","Communication Function":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"48 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"Yes","Ground-Fault Monitoring Version":"Summation current formation L + N conductor","Continuous Current / Rated Value":"250 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU860","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 20% to 100%","Product Function / Grounding Protection":"Yes","operating voltage / at AC / rated value":"690 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"250 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSIG","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"C","Mechanical Service Life (Operating Cycles) / Typical":"25 000","Type Of Electrical Connection / For Main Current Circuit":"on both sides nut keeper kit","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/6a7c0d29262bf1366bc093fc9653b1e6.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=487969&mlfb=3VA2225-7KQ42-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2225-7KQ42-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the depth of 3VA2225-7KQ42-0AA0?","answer":"The listed depth is 86 mm, with a width of 140 mm and height of 181 mm."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2225-7KQ42-0AA0","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/3VA2225-7KQ42-0AA0 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}}