{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1450-4FF42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1450-4FF42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1450-4FF42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1450-4FF42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1450-4FF42-0AA0, molded case circuit breaker, 4-pole, 500 A, TM240 thermal-magnetic release, line protection version, IP40 front.","salesMarkdown":"The Siemens 3VA1450-4FF42-0AA0 is a SENTRON molded case circuit breaker rated for 500 A continuous at 40 °C, with no derating needed up to 50 °C — it holds the full 500 A through that range. Above 50 °C it steps down linearly: 488 A at 55 °C, 476 A at 60 °C, 464 A at 65 °C, and 452 A at 70 °C. The interrupting ratings span the common distribution voltages: 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. The TM240 thermal-magnetic release is adjustable (the I-trip design is field-adjustable), so you can fine-tune the overload pickup without swapping trip units.","metaTitle":"Siemens 3VA1450-4FF42-0AA0 SENTRON MCCB, 500 A, 4-Pole, TM24","metaDescription":"Siemens 3VA1450-4FF42-0AA0 SENTRON molded case circuit breaker, 500 A continuous, 4-pole, TM240 release. Breaking capacity 121 kA at 240 V. Current lifecycle stage. Quoted to order","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"184 mm","title":"3VA1450-4FF42-0AA0","Height":"248 mm","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":"500 A","at 45 °C":"500 A","at 50 °C":"500 A","at 55 °C":"488 A","at 60 °C":"476 A","at 65 °C":"464 A","at 70 °C":"452 A","Depth [In]":"4.33 in","Width [In]":"7.24 in","Height [In]":"9.76 in","description":"circuit breaker 3VA1 IEC frame 630 breaking capacity class N Icu=36kA @ 415V 4-pole, line protection TM240, ATAM, In=500A overload protection Ir=350A...500A short-circuit protection Ii=5...10 x In N conductor protection 50% nut keeper kit","Trip Indicator":"No","Number Of Poles":"4","Product version":"Line protection","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"122.7 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Courant permanent assigné Iu":"500 A","design of I-trip / adjustable":"Yes","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM240","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":"50%","operating voltage / at AC / rated value":"690 V","Max. rated operational voltage Ue with DC":"600 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"630 A","Product Extension / Optional / Motor Drive":"Yes","Adjustable response value current / li max.":"5 000 A","let-through energy characteristic / at 240 V":"DE_3VA1_3u4_500A_TM_line u starter_3u4p_240V","let-through energy characteristic / at 415 V":"DE_3VA1_3u4_500A_TM_line u starter_3u4p_415V","let-through energy characteristic / at 440 V":"DE_3VA1_3u4_500A_TM_line u starter_3u4p_440V","let-through energy characteristic / at 500 V":"DE_3VA1_3u4_500A_TM_line u starter_3u4p_500V","let-through energy characteristic / at 690 V":"DE_3VA1_3u4_500A_TM_line u starter_3u4p_690V","product feature / for L-tripping / adjustable":"Yes","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"S","set values setting current (Ii) / for I-tripping":"5;6;7;8;9;10","Mechanical Service Life (Switching Cycles) / Typical":"20 000","Tripping Characteristic / Of The Lower Tolerance Band":"AK_3VA1_4_500A_TM2_SuMuHuC_uT","Tripping Characteristic / Of The Upper Tolerance Band":"AK_3VA1_4_500A_TM2_SuMuHuC_oT","reference value setting current (Ii) / for I-tripping":"x In","setting values setting current (InN) / for N-tripping":"0.5","reference value setting current (InN) / for N-tripping":"x In","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","type of value list setting current (Ii) / for I-tripping":"St","type of value list setting current (InN) / for N-tripping":"Fest","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"35 x 10 mm","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"20 x 1 mm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/d533b9c0371e4c86d03b9032ae239531.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=569015&mlfb=3VA1450-4FF42-0AA0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1450-4FF42-0AA0","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/3VA1450-4FF42-0AA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}