{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1340-4GE42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1340-4GE42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1340-4GE42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1340-4GE42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1340-4GE42-0AA0 molded case circuit breaker, 400 A, 4-pole, TM220 thermal-magnetic release, line protection design, IP40 front, 110 mm depth × 184 mm width × 248 mm height.","salesMarkdown":"It carries a short-circuit breaking capacity of 121 kA at 240 V AC and 75.6 kA at 415 V AC, with a rated insulation voltage of 800 V. The IP40 front protection suits enclosed panel mounting. ## SCCR and thermal derating The interrupting ratings step down with system voltage: 121 kA at 240 V, 75.6 kA at 415 V and 440 V, 52.5 kA at 500 V, and 11.9 kA at 690 V. That means this breaker handles high available fault current on lower-voltage services — common in North American 240 V delta or 480Y/277 V panels — but the 690 V figure is modest; for high-voltage feeders, a larger frame or current-limiting fuse may be needed upstream. Thermal derating is flat at 400 A from 40 °C through 50 °C, then drops to 392 A at 55 °C, 384 A at 60 °C, 376 A at 65 °C, and 367 A at 70 °C.","metaTitle":"Siemens 3VA1340-4GE42-0AA0 SENTRON MCCB, 400 A, 4-Pole, TM22","metaDescription":"Siemens SENTRON 3VA1340-4GE42-0AA0 molded case circuit breaker, 400 A, 4-pole, TM220 release. SCCR 121 kA at 240 V, 75.6 kA at 415 V. Active production. Sourced to order against RF","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"184 mm","Height":"248 mm","Maximum":"400 A","Minimum":"400 A","at 240 V":"121 kA","at 415 V":"75.6 kA","at 440 V":"75.6 kA","at 500 V":"52.5 kA","at 690 V":"11.9 kA","at 40 °C":"400 A","at 45 °C":"400 A","at 50 °C":"400 A","at 55 °C":"392 A","at 60 °C":"384 A","at 65 °C":"376 A","at 70 °C":"367 A","Depth [In]":"4.33 in","Width [In]":"7.24 in","Height [In]":"9.76 in","Trip Indicator":"No","Number Of Poles":"4","Voltage Trigger":"No","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":"92.1 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM220","Design Of Short-Circuit Protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","protection class IP / on the front":"IP40","design of the N-conductor protection":"100%","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"600 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"S","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","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/f59d8c360c846d5ff9ef773daebb7908.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=690412&mlfb=3VA1340-4GE42-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1340-4GE42-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1340-4GE42-0AA0 and how do I get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing."},{"question":"What is the depth of 3VA1340-4GE42-0AA0?","answer":"The depth is 110 mm (4.33 in)."},{"question":"What is the width of 3VA1340-4GE42-0AA0?","answer":"The width is 184 mm (7.24 in)."},{"question":"Will 3VA1340-4GE42-0AA0 drop into a panel specified around 3VA1112-5EE32-0AA0 without rewiring?","answer":"No — the 3VA1340 is a 400 A, 4-pole frame with a 184 mm width, while the 3VA1112 series is a smaller frame. Busbar spacing, mounting hole pattern, and lug sizes differ; rewiring is required."},{"question":"What compliance documentation does Siemens provide for 3VA1340-4GE42-0AA0?","answer":"Siemens SENTRON MCCBs typically carry UL, CSA, CE, and IEC certifications. Specific documentation (RoHS, REACH, UL, IEC) is available from Siemens upon request or through the product documentation portal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1340-4GE42-0AA0","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/3VA1340-4GE42-0AA0 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}}