{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1112-5EF36-0KA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1112-5EF36-0KA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1112-5EF36-0KA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1112-5EF36-0KA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1112-5EF36-0KA0, molded case circuit breaker, 3-pole, 125 A, line protection, TM240 overcurrent release, 187 kA at 240 V.","salesMarkdown":"The interrupting capacity is what decides whether it clears a fault without upstream damage: 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 690 V — so at common 400 V class distribution voltages it handles high available fault current without cascading to the main breaker. The thermal-magnetic release is a TM240, meaning the thermal element is fixed at 125 A and the magnetic pickup is set at 240 A (typical for motor or feeder protection where short-circuit instant trip needs to ride through inrush). The 125 A rating holds flat from 40 °C to 50 °C, then derates: 120 A at 55 °C, 117.5 A at 60 °C, 115 A at 65 °C, and 112.5 A at 70 °C. The 76.2 mm width (3 inches) is the standard 3-pole MCCB footprint for a 125 A frame — it drops into the same panel cutout as other SENTRON 3VA1 breakers of the same frame size. No rewiring or bus-bar repositioning is needed if replacing a 3VA1112-5EF32-0CA0 or similar 3-pole 125 A variant; the mounting hole pattern and terminal spacing are identical across the frame.","metaTitle":"Siemens 3VA1112-5EF36-0KA0 SENTRON MCCB, 125 A, 3-Pole, 187","metaDescription":"Siemens SENTRON 3VA1112-5EF36-0KA0 molded case circuit breaker, 125 A, 3-pole, 187 kA at 240 V. Active production. Sourced to order. RFQ for pricing.","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":"125 A","at 45 °C":"125 A","at 50 °C":"125 A","at 55 °C":"120 A","at 60 °C":"117.5 A","at 65 °C":"115 A","at 70 °C":"112.5 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":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"125 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":"3VA9688-0BL33","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.":"125 A","Adjustable response value current / li max.":"1 250 A","Adjustable response value current / li min.":"625 A","Adjustable response value current / lr min.":"88 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LI","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=52467&mlfb=3VA1112-5EF36-0KA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1112-5EF36-0KA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1112-5EF36-0KA0 and how is it quoted?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the closest functional second-source for 3VA1112-5EF36-0KA0?","answer":"The 3VA1112-5EF32-0CA0 is a 3-pole 125 A MCCB in the same SENTRON 3VA1 frame. The key difference is the overcurrent release: the -5EF36-0KA0 uses a TM240 release, while the -5EF32-0CA0 uses a different release variant. For line protection at 125 A, the physical fit and terminal layout are identical, so it drops into the same panel without rewiring, but the trip curve and magnetic pickup differ — verify coordination before substituting."},{"question":"What compliance documentation does Siemens provide for 3VA1112-5EF36-0KA0?","answer":"Siemens provides RoHS and REACH declarations, plus IEC/UL certification documentation for the SENTRON 3VA series. The specific standards are IEC 60947-2 and UL 489 for molded case circuit breakers."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1112-5EF36-0KA0","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/3VA1112-5EF36-0KA0 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}}