{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2125-7JP46-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2125-7JP46-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2125-7JP46-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2125-7JP46-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2125-7JP46-0AA0, molded case circuit breaker, 4-pole, 25 A, ETU550 electronic trip unit, breaking capacity 330 kA at 240 V, 242 kA at 415 V, current lifecycle stage.","salesMarkdown":"The Siemens SENTRON 3VA2125-7JP46-0AA0 is a 4-pole molded case circuit breaker (MCCB) rated for a continuous current of 25 A across the full ambient temperature range from 40 °C to 70 °C, with no derating needed. It is fitted with an ETU550 electronic trip unit, which provides adjustable time-current protection curves—a key feature for coordinating with downstream devices in a selective coordination study. The breaker carries a breaking capacity of 330 kA at 240 V, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 3.8 kA at 690 V, making it suitable for high-fault-current installations such as main service entrance or large distribution switchboards. ## Trip unit and protection settings The ETU550 electronic trip unit supports adjustable long-time pickup (Ir), long-time delay (tr adjustable from 0.5 to 25 seconds), short-time pickup and delay, instantaneous pickup, and ground-fault protection (when the neutral protection is configured). The N-conductor protection is adjustable: OFF, 40%, up to 160% of the phase rating. This programmability allows the breaker to be fine-tuned for cable protection, motor branch circuits, or generator feeders without swapping trip units. ## Physical integration ## Communication capability A communication function is present on this variant, enabling integration with higher-level control or energy management systems. This allows remote reading of trip events, load current, and status, which supports the audit trail for a GMP-regulated environment where undocumented changes are unacceptable. The specific protocol (e.g., PROFIBUS, PROFINET, Modbus) is not defined in the base listing and should be confirmed from the full order code extension or the communication module fitted.","metaTitle":"Siemens 3VA2125-7JP46-0AA0 SENTRON MCCB, 25A, 4-Pole, 330kA","metaDescription":"Siemens SENTRON 3VA2125-7JP46-0AA0 molded case circuit breaker, 25 A rated continuous current, 4-pole, ETU550 electronic trip unit. Breaking capacity 330 kA at 240 V. Current lifec","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"86 mm","Width":"140 mm","Height":"181 mm","at 240 V":"330 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"187 kA","at 690 V":"3.8 kA","at 40 °C":"25 A","at 45 °C":"25 A","at 50 °C":"25 A","at 55 °C":"25 A","at 60 °C":"25 A","at 65 °C":"25 A","at 70 °C":"25 A","Depth [in]":"3.4 in","Width [in]":"5.5 in","Height [in]":"7.1 in","Number of poles":"4","Product version":"Line protection","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"20 000","Communication Function":"Yes","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"0.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-40 °C","Other Measurement Function":"No","Rated continuous current Iu":"25 A","Rated insulation voltage Ui":"800 V","Ground fault monitoring version":"Without","Design of the overcurrent release":"ETU550","Protection class IP / on the front":"IP40","Design of the N-conductor protection":"adjustable OFF; 40% bis160%","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"25","Adjustable response value time / tr min.":"0.5","Adjustable response value time / tsd max.":"0.5 s","Adjustable response value time / tsd min.":"0.05 s","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"25 A","Adjustable response value current / li max.":"300 A","Adjustable response value current / li min.":"38 A","Adjustable response value current / lr min.":"10 A","Adjustable response value current / Isd max.":"250 A","Adjustable response value current / Isd min.":"15 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LSI","Switching capacity class of the circuit breaker":"C","Max. rated operational current of the frame size":"160 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"box terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal","Type of connectable conductor cross-section, round conductor terminal, stranded":"1 x (6-120 mm²)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/641a6843e8dc2f758bb6426196efa871.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=20695&mlfb=3VA2125-7JP46-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2125-7JP46-0AA0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3VA2125-7JP46-0AA0?","answer":"Submit an RFQ through this listing. The part is sourced to order through independent distribution; pricing and lead time are confirmed at quote time and are not published here."},{"question":"What is the breaking capacity of this MCCB at 415 V?","answer":"At 415 V the breaking capacity is 242 kA. At 240 V it is 330 kA, and at 690 V it drops to 3.8 kA."},{"question":"What compliance documentation does Siemens provide for this part?","answer":"The SENTRON series typically carries IEC 60947-2 certification, CE marking, and RoHS/REACH compliance declarations. The specific approvals (UL, CSA, CCC) depend on the exact order code variant and should be verified from the nameplate or manufacturer documentation."},{"question":"Will 3VA2125-7JP46-0AA0 drop into a panel specified around 5SQ2670-2YA63 without rewiring?","answer":"No. The 5SQ2670 series breakers have different dimensions, mounting patterns, and terminal arrangements than the 3VA2 SENTRON platform. A panel designed for the 5SQ2670-2YA63 will require mechanical modifications and potentially busbar rework to accept this breaker."},{"question":"What is the rated continuous current at elevated ambient temperature?","answer":"The breaker is rated 25 A continuously from 40 °C through 70 °C with no derating—the full temperature-compensated rating holds across the operating range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2125-7JP46-0AA0","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/3VA2125-7JP46-0AA0 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}}