{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2325-0KQ42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2325-0KQ42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2325-0KQ42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2325-0KQ42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2325-0KQ42-0AA0, molded case circuit breaker, 4-pole, 250 A continuous, 440 kA interrupting at 415 V AC, ETU860 electronic trip unit.","salesMarkdown":"## What this 3VA2325-0KQ42-0AA0 brings to the panel The 250 A continuous rating holds from 40 °C all the way to 70 °C without derating — so it's sized for a warm enclosure where most breakers start to drop off above 50 °C. The ETU860 electronic trip unit gives you adjustable overcurrent release, a configurable N-conductor protection (switchable OFF or 20 % to 160 %), and ground-fault monitoring via summation of L + N conductors. That ground-fault scheme means the breaker sees net residual current, not just a dedicated sensor — useful on 4-wire systems where you want to catch leakage without an extra module. ## Interrupting capability — what 440 kA at 415 V means For a buyer comparing against a standard 65 kA or 100 kA MCCB: this unit sits in the ultra-high interrupt class, typically specified on the secondary side of large transformers or in heavy industrial plants where available fault current exceeds 200 kA. The 4-pole construction handles three-phase plus neutral, and the N protection is adjustable — not every MCCB gives you that flexibility. ## Panel fit — dimensions and IP Footprint is 184 mm wide by 248 mm tall by 110 mm deep — that's 7.24 in x 9.76 in x 4.33 in. It's a standard-size MCCB for a 4-pole frame; no oddball cutout needed. The front face carries IP40 protection, so it's fine inside a typical IP54 or IP65 enclosure where the door seal handles the wet side.","metaTitle":"Siemens 3VA2325-0KQ42-0AA0 SENTRON MCCB, 250 A, 440 kA","metaDescription":"Siemens 3VA2325-0KQ42-0AA0 SENTRON molded case circuit breaker, 250 A continuous, 440 kA at 415 V AC. ETU860 electronic trip unit with adjustable N protection and ground-fault summ","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":"3VA2325-0KQ42-0AA0","Height":"248 mm","at 415 V":"440 kA","at 690 V":"187 kA","at 40 °C":"250 A","at 45 °C":"250 A","at 50 °C":"250 A","at 55 °C":"250 A","at 60 °C":"250 A","at 65 °C":"250 A","at 70 °C":"250 A","Depth [In]":"4.33 in","Width [In]":"7.24 in","Height [In]":"9.76 in","description":"circuit breaker 3VA2 IEC frame 400 breaking capacity class E Icu=200 kA @ 415 V 4-pole, line protection ETU860, LSIG, In=250A overload protection Ir=100A... 250A short circuit protection Isd=0,6...10xIn, Ii=1,5...12xIn neutral protection adjustable(OFF up to 100%) busbar connection","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":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"37.5 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"Yes","Courant permanent assigné Iu":"250 A","design of I-trip / adjustable":"Yes","Ground-Fault Monitoring Version":"Summation current formation L + N conductor","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"ETU860","protection class IP / on the front":"IP40","design of the N-conductor protection":"adjustable OFF; 20% to 160%","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","Adjustable response value current / lg max.":"250 A","Adjustable response value current / lg min.":"50 A","Adjustable response value current / li max.":"3 000 A","let-through energy characteristic / at 415 V":"DE_3VA2_3u4_250A_ETU_line u starter u motor_3u4p_415V","let-through energy characteristic / at 690 V":"DE_3VA2_3u4_250A_ETU_line u starter u motor_3u4p_690V","product feature / for G-tripping / adjustable":"Yes","product feature / for L-tripping / adjustable":"Yes","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LSIG","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"E","set values setting current (Ii) / for I-tripping":"1.5-12;0","Mechanical Service Life (Switching Cycles) / Typical":"20 000","Tripping Characteristic / Of The Lower Tolerance Band":"AK_3VA2_3_250A_ETU5u8_MuHuCuLuE_uT","Tripping Characteristic / Of The Upper Tolerance Band":"AK_3VA2_3_250A_ETU5u8_MuHuCuLuE_oT","reference value setting current (Ii) / for I-tripping":"x In","setting values setting current (InN) / for N-tripping":"0.2-1.6;0","reference value setting current (InN) / for N-tripping":"x In","Type Of Electrical Connection / For Main Current Circuit":"on both sides nut keeper kit","type of value list setting current (Ii) / for I-tripping":"St","type of value list setting current (InN) / for N-tripping":"St","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/ad4b9644ff5db6bf2edb958ed105bffe.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1417851&mlfb=3VA2325-0KQ42-0AA0"},"ai":{"faq":[{"question":"Where can I buy 3VA2325-0KQ42-0AA0 and how do I get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ and we'll get you a firm price and lead time."},{"question":"When sourcing 3VA2325-0KQ42-0AA0, what's the closest functional second-source — 5SQ2670-2YA63?","answer":"The 5SQ2670-2YA63 is a different frame and trip unit family — it won't drop into the same panel without rewiring. The 3VA2325-0KQ42-0AA0 uses the ETU860 electronic trip with adjustable N protection and ground-fault summation; the 5SQ series typically uses a thermal-magnetic or different electronic trip. Stick with the 3VA for a direct swap."},{"question":"What compliance documentation does this brand provide for 3VA2325-0KQ42-0AA0 (RoHS, REACH, UL, IEC)?","answer":"Siemens SENTRON MCCBs are designed to IEC 60947-2 and typically carry UL/CSA certifications for the North American market. RoHS and REACH declarations are available from Siemens on request. The IP40 front face and 800 V rated insulation voltage are per the IEC standard."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2325-0KQ42-0AA0","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/3VA2325-0KQ42-0AA0 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}}