{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1125-5EF36-0HC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1125-5EF36-0HC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1125-5EF36-0HC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1125-5EF36-0HC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON molded case circuit breaker, 3VA1125-5EF36-0HC0, 3-pole, 25 A rated continuous current, TM240 thermal-magnetic release, 187 kA breaking capacity at 240 VAC, IP40 front.","salesMarkdown":"## Siemens 3VA1125-5EF36-0HC0 — SENTRON 25 A MCCB with TM240 Release At 415 VAC it still holds 121 kA, dropping to 75.6 kA at 440 VAC and 17 kA at 690 VAC. That means the overload and short-circuit pickup are factory-set to the 25 A frame rating. For applications needing adjustable long-time, short-time, or ground-fault protection, this is not the variant; look to the electronic-release versions in the 3VA family. The trade-off is simplicity and reliability in a fixed-coordination panel. At 55 °C it derates to 24 A, at 60 °C to 23.5 A, at 65 °C to 23 A, and at 70 °C to 22.5 A. ## Integrated Auxiliary and Shunt Trip Width 76.2 mm (3-inch pitch, standard for 3-pole MCCBs in the SENTRON frame), height 130 mm, depth 70 mm.","metaTitle":"Siemens 3VA1125-5EF36-0HC0 SENTRON MCCB, 25 A, 187 kA at 240","metaDescription":"Siemens 3VA1125-5EF36-0HC0 SENTRON molded case circuit breaker, 25 A rated current, 187 kA breaking capacity at 240 VAC. Active production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"75.6 kA","at 690 V":"17 kA","at 40 °C":"25 A","at 45 °C":"25 A","at 50 °C":"25 A","at 55 °C":"24 A","at 60 °C":"23.5 A","at 65 °C":"23 A","at 70 °C":"22.5 A","Trip indicator":"No","Number of poles":"3","Product version":"Line protection","Voltage trigger":"Yes","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"No","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"2 auxiliary switches HQ","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"25 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Shunt trip (STL)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9688-0BL30","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","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"1","Adjustable response value time / tr min.":"1","Max. rated operational voltage Ue with DC":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"25 A","Adjustable response value current / li max.":"320 A","Adjustable response value current / li min.":"160 A","Adjustable response value current / lr min.":"18 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"2","Protective function of the overcurrent release":"LI","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching capacity class of the circuit breaker":"M","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 (1.5 - 70 mm²)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=37719&mlfb=3VA1125-5EF36-0HC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1125-5EF36-0HC0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1125-5EF36-0HC0 and what is the lead time?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm lead time."},{"question":"What is the breaking capacity of 3VA1125-5EF36-0HC0 at different voltages?","answer":"187 kA at 240 VAC, 121 kA at 415 VAC, 75.6 kA at 440 VAC, and 17 kA at 690 VAC."},{"question":"What overcurrent release does this MCCB use?","answer":"A fixed TM240 thermal-magnetic release — no interchangeable trip block, no electronic adjustment. Overload and short-circuit pickup are factory-set to the 25 A frame rating."},{"question":"Does this breaker include auxiliary contacts or a shunt trip?","answer":"Yes, factory-fitted with 2 HQ auxiliary switches and a shunt trip release (STL). The integrated auxiliary trip assembly order code is 3VA9688-0BL30."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1125-5EF36-0HC0","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/3VA1125-5EF36-0HC0 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}}