{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2340-7HL32-0KL0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2340-7HL32-0KL0","canonicalUrl":"https://aoctrl.com/siemens/3VA2340-7HL32-0KL0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2340-7HL32-0KL0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2340-7HL32-0KL0, 3-pole molded case circuit breaker, 400 A rated continuous current, adjustable thermal-magnetic trip 600–4000 A, breaking capacity 330 kA at 240 V AC.","salesMarkdown":"The Siemens SENTRON 3VA2340-7HL32-0KL0 is a 3-pole molded case circuit breaker (MCCB) rated for 400 A continuous current at 40 °C, with an adjustable thermal-magnetic trip unit covering 600 A to 4 000 A. It is designed for line protection in distribution panels and switchgear, where the high interrupting capacity — 330 kA at 240 V, 242 kA at 415/440 V, 187 kA at 500 V, and 7.5 kA at 690 V — allows it to be installed upstream in high-fault locations without cascading failure. The 400 A continuous rating holds flat from 40 °C through 50 °C, then derates linearly: 385 A at 55 °C, 370 A at 60 °C, 355 A at 65 °C, and 340 A at 70 °C. The adjustable trip range (600 A minimum to 4 000 A maximum) covers a wide band of load sizes, but the breaker's own frame and continuous rating set the practical ceiling — you cannot continuously load it past 400 A regardless of the trip setting. The high-end trip adjustment is for short-circuit and instantaneous protection coordination, not for increasing the continuous ampacity. Breaking capacity varies sharply with system voltage. At 240 V it handles 330 kA — enough for most transformer-secondaries. No ground-fault monitoring or communication function on this order code. ## Physical footprint and integration Depth of 110 mm leaves room for rear-connected busbars in a typical 600 mm deep enclosure.","metaTitle":"Siemens 3VA2340-7HL32-0KL0 SENTRON MCCB, 400 A, 3-Pole","metaDescription":"Siemens SENTRON 3VA2340-7HL32-0KL0 molded case circuit breaker, 400 A continuous, 3-pole, adjustable 600-4000 A trip range, 330 kA at 240 V. Active production. 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":"4 000 A","Minimum":"600 A","at 240 V":"330 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"187 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":"3VA2340-7HL32-0AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch + 1 electrical 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":"ETU320","protection class IP / on the front":"IP40","Of The Integrated Auxiliary Trip Unit":"3VA9688-0BL33","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":"LI","number of CO contacts / for auxiliary contacts":"4","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB22","Switching Capacity Class Of The Circuit Breaker":"C","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=10572&mlfb=3VA2340-7HL32-0KL0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2340-7HL32-0KL0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA2340-7HL32-0KL0 and get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit a request for quote (RFQ) to confirm current availability and pricing — no stock or price figures are published here."},{"question":"What is the continuous current rating and how does temperature affect it?","answer":"Rated 400 A continuous at 40 °C through 50 °C, then derates to 385 A at 55 °C, 370 A at 60 °C, 355 A at 65 °C, and 340 A at 70 °C. The adjustable trip range is 600 A to 4 000 A, but the continuous ampacity is the 400 A frame limit, not the trip setting."},{"question":"What breaking capacity does this MCCB have at different voltages?","answer":"330 kA at 240 V AC, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 7.5 kA at 690 V. Verify the available fault current at your system voltage — the 690 V rating is significantly lower."},{"question":"What auxiliary switches and releases are fitted on this variant?","answer":"It includes 2 auxiliary switches, 1 trip alarm switch, 1 electrical alarm switch (HQ), and a shunt trip release (STL). No undervoltage release, no ground-fault monitoring, and no communication module are present on this order code."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2340-7HL32-0KL0","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/3VA2340-7HL32-0KL0 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}}