{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2440-6HN32-0BL0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2440-6HN32-0BL0","canonicalUrl":"https://aoctrl.com/siemens/3VA2440-6HN32-0BL0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2440-6HN32-0BL0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2440-6HN32-0BL0, molded case circuit breaker, 3-pole, 400 A, breaking capacity 187 kA at 415 V, with undervoltage release and auxiliary switches.","salesMarkdown":"The Siemens SENTRON 3VA2440-6HN32-0BL0 is a 3-pole molded case circuit breaker rated 400 A continuously across the full 40 °C to 70 °C ambient range — no derating needed up to that ceiling. The basic switch core is order code 3VA2440-6HN32-0AA0, so if you already have that bare breaker and need the auxiliaries, this is the assembled version. ## Breaking capacity across common voltages At 240 V it clears 242 kA, at 415 V and 440 V it holds 187 kA, at 500 V it drops to 121 kA, and at 690 V it still manages 9 kA. The 5 kA limited-to-1-second rating is a short-time withstand figure for selective coordination; if you are coordinating downstream breakers, that number governs the delay band.","metaTitle":"Siemens 3VA2440-6HN32-0BL0 SENTRON MCCB, 400A, 187kA at 415V","metaDescription":"Siemens SENTRON 3VA2440-6HN32-0BL0 molded case circuit breaker, 3-pole, 400 A rated, 187 kA breaking capacity at 415 V. Current production. Available 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":"242 kA","at 415 V":"187 kA","at 440 V":"187 kA","at 500 V":"121 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":"Yes","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"Yes","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"66 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA2440-6HN32-0AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch + 1 electrical alarm switch HQ","Design Of The Auxiliary Release":"undervoltage release (UVR)","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":"3VA9608-0BB11","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":"4","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB22","Switching Capacity Class Of The Circuit Breaker":"H","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=311572&mlfb=3VA2440-6HN32-0BL0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2440-6HN32-0BL0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this breaker at 415 V?","answer":"187 kA at 415 V, which covers most industrial secondary-side fault levels."},{"question":"What auxiliary switches come fitted on this MCCB?","answer":"It includes 2 auxiliary switches, 1 trip alarm switch, and 1 electrical alarm switch, all factory-installed."},{"question":"Where can I buy 3VA2440-6HN32-0BL0?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."},{"question":"Does this breaker include an undervoltage release?","answer":"Yes, it is equipped with an undervoltage release (UVR)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2440-6HN32-0BL0","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/3VA2440-6HN32-0BL0 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}}