{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1150-3EF32-0AH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1150-3EF32-0AH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1150-3EF32-0AH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1150-3EF32-0AH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1150-3EF32-0AH0, 3-pole molded case circuit breaker, 50 A (40 °C), TM240 thermal-magnetic release, 75.6 kA at 240 V AC.","salesMarkdown":"## Siemens 3VA1150-3EF32-0AH0 — SENTRON MCCB, 50 A, 3-Pole, TM240 Release The Siemens 3VA1150-3EF32-0AH0 is a SENTRON molded case circuit breaker (MCCB) rated for 50 A continuous at 40 °C, with a 3-pole configuration and a TM240 thermal-magnetic overcurrent release. Per the datasheet, the interrupting capacity reaches 75.6 kA at 240 V AC, 52.5 kA at 415 V, and 32 kA at 440 V, with a symmetrical rating of 11.9 kA at both 500 V and 690 V. This is a line-protection device, not a motor-protection or ground-fault variant — the TM240 release is fixed, non-interchangeable, and the unit lacks undervoltage release, communication function, and voltage-trip capability. The 50 A continuous rating holds from 40 °C through 50 °C without derating — at 55 °C it drops to 49 A, at 60 °C to 48 A, at 65 °C to 46 A, and at 70 °C to 45 A. For a panel enclosure running at 55 °C ambient, the breaker still carries 49 A within tolerance. The TM240 release is a thermal-magnetic design with a fixed trip curve; the '240' designates the frame size, not the ampere rating. The interrupting ratings at multiple voltage levels let you verify SCCR coordination: at 415 V the 52.5 kA figure covers most European industrial distribution, while the 11.9 kA at 690 V is the ceiling for that voltage class. The 3VA1150-3EF32-0AH0 measures 130 mm high, 76.2 mm wide, and 70 mm deep — a 3-pole MCCB footprint that fits standard Siemens SENTRON mounting bases and busbar systems. The trip indicator provides a visual flag when the breaker has tripped on overcurrent or short circuit, which aids troubleshooting without opening the panel door.","metaTitle":"Siemens 3VA1150-3EF32-0AH0 SENTRON MCCB, 50 A, 3-Pole, TM240","metaDescription":"Siemens SENTRON 3VA1150-3EF32-0AH0 molded case circuit breaker, 50 A continuous at 40 °C, 3-pole, TM240 release, 75.6 kA at 240 V. Active production, sourced to order.","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":"75.6 kA","at 415 V":"52.5 kA","at 440 V":"32 kA","at 500 V":"11.9 kA","at 690 V":"11.9 kA","at 40 °C":"50 A","at 45 °C":"50 A","at 50 °C":"50 A","at 55 °C":"49 A","at 60 °C":"48 A","at 65 °C":"46 A","at 70 °C":"45 A","Depth [In]":"2.76 in","Width [In]":"3 in","Height [In]":"5.12 in","Trip Indicator":"Yes","Number Of Poles":"3","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":"14.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","rated insulation voltage Ui":"800 V","Of The Supplied Basic Switch":"3VA11503EF320AA0","Ground-Fault Monitoring Version":"Without","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","operating voltage / at AC / rated value":"690 V","Max. rated operational voltage Ue with DC":"500 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"N","Mechanical Service Life (Switching Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"17 x 6,5 mm","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"12 x 1 mm"}},"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=3363&mlfb=3VA1150-3EF32-0AH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1150-3EF32-0AH0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3VA1150-3EF32-0AH0?","answer":"Submit an RFQ. This part is sourced to order through independent distribution; availability and current pricing are confirmed at quote time."},{"question":"What is 3VA1150-3EF32-0AH0's interrupting capacity at 415 V?","answer":"At 415 V AC, the interrupting capacity is 52.5 kA. At 240 V it is 75.6 kA, at 440 V it is 32 kA, and at 500 V and 690 V it is 11.9 kA."},{"question":"What is the continuous current rating of 3VA1150-3EF32-0AH0 at elevated ambient temperatures?","answer":"At 40 °C through 50 °C the rating is 50 A. At 55 °C it derates to 49 A, at 60 °C to 48 A, at 65 °C to 46 A, and at 70 °C to 45 A."},{"question":"What compliance documentation does this brand provide for 3VA1150-3EF32-0AH0?","answer":"As a Siemens SENTRON MCCB, the 3VA1150-3EF32-0AH0 is designed to meet IEC 60947-2. Compliance documentation including RoHS, REACH, and UL/CSA listings is typically available from Siemens; verify the specific certification marks for your jurisdiction at the time of order."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1150-3EF32-0AH0","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/3VA1150-3EF32-0AH0 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}}