{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2225-5HM42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2225-5HM42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2225-5HM42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2225-5HM42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2225-5HM42-0AA0, molded case circuit breaker, 4-pole, 250 A continuous rating, 187 kA at 240 VAC, line protection design.","salesMarkdown":"## Rating and application context Its interrupting capacity reaches 187 kA at 240 VAC, 121 kA at 415 VAC, and 75.6 kA at 500 VAC, making it suitable for high-fault-current distribution panels where selectivity and SCCR headroom are specified. For panel integration, the breaker occupies 140 mm width by 181 mm height by 86 mm depth (–). The 4-pole frame fits standard Siemens mounting plates and busbar systems; verify gland-plate cutout against the 140 mm width before layout freeze. The 48 W maximum power loss should be factored into enclosure thermal calculations, particularly in sealed or high-ambient cabinets. ## Thermal derating and operating envelope Above 50 °C, the continuous rating declines linearly: 241 A at 55 °C, 232 A at 60 °C, 222 A at 65 °C, and 213 A at 70 °C (–). For a panel located in an unconditioned space or near heat-generating equipment, the 55 °C derating point is the practical design limit before capacity reduction must be reflected in the load schedule.","metaTitle":"Siemens 3VA2225-5HM42-0AA0 SENTRON MCCB, 250 A, 4-Pole, 187","metaDescription":"Siemens SENTRON 3VA2225-5HM42-0AA0 molded case circuit breaker, 250 A continuous, 4-pole, 187 kA breaking capacity at 240 VAC. Active production, sourced to order. Request quote.","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":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 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":"241 A","at 60 °C":"232 A","at 65 °C":"222 A","at 70 °C":"213 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":"No","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":"No","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":"ETU330","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 50%; 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":"LIG","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"M","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":"$676.91","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=473974&mlfb=3VA2225-5HM42-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2225-5HM42-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VA2225-5HM42-0AA0 at 240 V?","answer":"The interrupting rating is 187 kA at 240 VAC. At 415 VAC and 440 VAC it is 121 kA (–), at 500 VAC it is 75.6 kA, and at 690 VAC it is 4.5 kA."},{"question":"Where can I buy 3VA2225-5HM42-0AA0 and what is the lead time?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time; no stock count or lead-time number is published here."},{"question":"Will 3VA2225-5HM42-0AA0 drop into a panel specified for 3VA2225-5HN42-0BB0 without rewiring?","answer":"Both are 4-pole SENTRON MCCBs in the same frame size class, so the mounting footprint and busbar pitch are identical. The 3VA2225-5HN42-0BB0 carries a different trip-unit variant; verify the protective settings and accessory compatibility before substitution. No wiring change is required for the power connections."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2225-5HM42-0AA0","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/3VA2225-5HM42-0AA0 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}}