{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2340-5HN32-0HH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2340-5HN32-0HH0","canonicalUrl":"https://aoctrl.com/siemens/3VA2340-5HN32-0HH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5HN32-0HH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2340-5HN32-0HH0, molded case circuit breaker, 3-pole, 400 A, 187 kA at 240 V, line protection, with shunt trip and auxiliary switches.","salesMarkdown":"Breaking capacity is 187 kA at 240 V, stepping down to 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 7.5 kA at 690 V — so at a standard 480 V distribution voltage the available fault current the breaker can safely interrupt sits between the 440 V and 500 V figures, meaning it handles high-capacity transformer feeds without cascading upstream. Continuous current derates above 50 °C: still 400 A at 50 °C, then 385 A at 55 °C, 370 A at 60 °C, 355 A at 65 °C, and 340 A at 70 °C — the 70 °C figure matches the maximum operating ambient, so in a hot panel the breaker must be loaded to 85 % of its nameplate. No ground-fault monitoring module fitted on this variant; if GF protection is needed downstream, it must be added externally. Mounts on a DIN rail or direct-panel plate; dimensions are 248 mm high, 138 mm wide, 110 mm deep — the 138 mm width is a 3-pole frame that fits standard MCCB panel cutouts.","metaTitle":"Siemens SENTRON 3VA2340-5HN32-0HH0 MCCB, 400 A, 3-Pole","metaDescription":"Siemens SENTRON 3VA2340-5HN32-0HH0 molded case circuit breaker, 400 A continuous, 3-pole, 187 kA at 240 V. Active production. Sourced to order against RFQ.","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":"4 000 A","Minimum":"4 000 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":"7.5 kA","at 40 °C":"400 A","at 45 °C":"400 A","at 50 °C":"400 A","at 55 °C":"385 A","at 60 °C":"370 A","at 65 °C":"355 A","at 70 °C":"340 A","Depth [In]":"4.33 in","Width [In]":"5.43 in","Height [In]":"9.76 in","Trip Indicator":"Yes","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":"96 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA2340-5HN32-0AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch HQ","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":"3VA9688-0BL30","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":"400 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSI","number of CO contacts / for auxiliary contacts":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","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/c1b3b6c5f6d67465025ac41848ceb75e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=173910&mlfb=3VA2340-5HN32-0HH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5HN32-0HH0/alternatives.json"},"ai":{"faq":[{"question":"What auxiliary switches and releases come with this breaker?","answer":"It includes a shunt trip (STL) release and a switch block with 2 auxiliary switches plus 1 trip alarm switch (HQ type)."},{"question":"Does this breaker include ground-fault monitoring?","answer":"No, the ground-fault monitoring version is marked as without — external GF protection must be added if required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2340-5HN32-0HH0","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/3VA2340-5HN32-0HH0 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}}