{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2340-5JQ32-0BA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2340-5JQ32-0BA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2340-5JQ32-0BA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5JQ32-0BA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2340-5JQ32-0BA0, molded case circuit breaker, 3-pole, 400 A at 40 °C, line protection, with undervoltage release, 187 kA breaking capacity at 240 V.","salesMarkdown":"The frame holds the same interrupting rating across the 400 A continuous band, so you don't lose headroom as load approaches the trip setting. No auxiliary switch is included on this order code; if you need remote status feedback, you'll add a separate auxiliary switch module. The 400 A rating holds flat up to 50 °C. Above that, the frame derates in 25 A steps: 375 A at 55 °C, 350 A at 60 °C, 325 A at 65 °C, and 300 A at 70 °C. At 98.5 W maximum power loss, ventilation in the enclosure matters; tight gutters with no airflow will push internal temperature past the 50 °C threshold.","metaTitle":"Siemens 3VA2340-5JQ32-0BA0 SENTRON MCCB, 400A, 3-Pole, UVR","metaDescription":"Siemens 3VA2340-5JQ32-0BA0 SENTRON molded case circuit breaker, 400A rated at 40°C, 3-pole, line protection, with undervoltage release. Breaking capacity 187kA at 240V. Active prod","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":"600 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":"375 A","at 60 °C":"350 A","at 65 °C":"325 A","at 70 °C":"300 A","Depth [In]":"4.33 in","Width [In]":"5.43 in","Height [In]":"9.76 in","Initial Value":"80 A","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Full-Scale Value":"400 A","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"Yes","Design Of The Product":"Line protection","Communication Function":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"98.5 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA2340-5JQ32-0AA0","Design Of The Auxiliary Switch":"Without","Design Of The Auxiliary Release":"undervoltage release (UVR)","Ground-Fault Monitoring Version":"Summation current formation L-conductor","Continuous Current / Rated Value":"400 A","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU560","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 20% to 160%","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB11","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":"400 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":"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=414850&mlfb=3VA2340-5JQ32-0BA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5JQ32-0BA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA2340-5JQ32-0BA0 and what is the lead time?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock or lead-time figures are published here."},{"question":"What breaking capacity does this MCCB have at 415 V?","answer":"121 kA at 415 V, which covers most industrial transformer secondary faults without needing a current-limiting upstream device."},{"question":"Does 3VA2340-5JQ32-0BA0 include an undervoltage release?","answer":"Yes, it is fitted with an undervoltage release (UVR) as the auxiliary release. No auxiliary switch is included on this order code."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2340-5JQ32-0BA0","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/3VA2340-5JQ32-0BA0 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}}