{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2440-5HN32-0JA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2440-5HN32-0JA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2440-5HN32-0JA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2440-5HN32-0JA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2440-5HN32-0JA0, molded case circuit breaker, 3-pole, 400 A rated at 40 °C, 4800 A frame, breaking capacity 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 500 V, 9 kA at 690 V, shunt trip release, line protection design.","salesMarkdown":"The Siemens SENTRON 3VA2440-5HN32-0JA0 is a 3-pole molded case circuit breaker rated 400 A continuously at 40 °C, built on a 4800 A frame. That frame size means the internal mechanism and arc chambers are designed for fault currents up to 4800 A — the breaker's interrupting capacity is what changes with system voltage: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 9 kA at 690 V. For a 400 A feeder on a 480 V or 400 V distribution board, the 121 kA SCCR at 415 V gives substantial headroom above typical available fault current, so selectivity with downstream breakers is practical without oversizing. Designed for line protection, so it's suited for feeder circuits rather than motor or generator protection. Three-pole design with no undervoltage release and no auxiliary switch fitted as standard; the shunt trip occupies the auxiliary release slot. Maximum power loss is 63.5 W at rated current.","metaTitle":"Siemens 3VA2440-5HN32-0JA0 SENTRON MCCB, 400 A, 4800 A frame","metaDescription":"Siemens SENTRON 3VA2440-5HN32-0JA0 molded case circuit breaker, 400 A rated at 40 °C, 4800 A frame, 187 kA at 240 V. Current lifecycle stage. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"138 mm","Height":"248 mm","Maximum":"4 800 A","Minimum":"4 800 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":"9 kA","at 40 °C":"400 A","at 45 °C":"400 A","at 50 °C":"400 A","at 55 °C":"400 A","at 60 °C":"400 A","at 65 °C":"400 A","at 70 °C":"400 A","Depth [In]":"4.33 in","Width [In]":"5.43 in","Height [In]":"9.76 in","Limited To 1 S":"5 kA","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"Yes","lifecycle_stage":"current","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":"63.5 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA2440-5HN32-0AA0","Design Of The Auxiliary Switch":"Without","Design Of The Auxiliary Release":"shunt trip (STL)","Ground-Fault Monitoring Version":"Without","Continuous Current / Rated Value":"400 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU350","protection class IP / on the front":"IP40","Of The Integrated Auxiliary Trip Unit":"3VA9688-0BL32","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"630 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"20 000","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/0eb36652ce522f093395d6bd0dd27e34.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=57552&mlfb=3VA2440-5HN32-0JA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2440-5HN32-0JA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VA2440-5HN32-0JA0 at 415 V?","answer":"121 kA at 415 V, which is the same rating as at 440 V. At 500 V it drops to 75.6 kA, and at 690 V to 9 kA."},{"question":"What is the closest functional second-source for 3VA2440-5HN32-0JA0?","answer":"The peer MPNs 5SQ2370-2YA05, 5SQ2370-2YA04, and 5SQ2370-2YA01 are listed as alternatives, but they are not drop-in replacements — verify frame size, interrupting ratings, and accessory compatibility before substituting."},{"question":"Where can I buy 3VA2440-5HN32-0JA0?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2440-5HN32-0JA0","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/3VA2440-5HN32-0JA0 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}}