{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1150-5GF46-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1150-5GF46-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1150-5GF46-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1150-5GF46-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1150-5GF46-0AA0, molded case circuit breaker, 4-pole, 50 A, TM240 thermal-magnetic release, line protection design, 187 kA interrupting capacity at 240 V AC.","salesMarkdown":"## 50 A, 4-pole MCCB with TM240 release This MCCB delivers 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at both 500 V and 690 V. That steep roll-off above 440 V is typical for a compact-frame breaker — the 17 kA floor at 690 V still clears most industrial fault currents, but verify against your transformer size and cable length. ## Thermal derating — no loss until 55 °C At 55 °C it derates to 49 A, then 48 A at 60 °C, 46 A at 65 °C, and 45 A at 70 °C. For a panel builder: if your enclosure ambient runs at 55 °C, you lose 1 A; at 70 °C, you lose 5 A. The 14.6 W maximum power loss is manageable in a standard steel enclosure without forced ventilation at 50 A, but check the thermal budget if ganged with other breakers. The 3VA1150-5GF46-0AA0 measures 101.6 mm wide, 130 mm tall, and 70 mm deep. The 4-inch (101.6 mm) width is the same as the 3VA1 frame family — it occupies four standard 25 mm DIN module spaces. Front IP40 protection means tools and fingers stay out, but the breaker is not sealed against washdown; mount in a clean, dry enclosure.","metaTitle":"Siemens 3VA1150-5GF46-0AA0 SENTRON MCCB, 50 A, 4-Pole, 187 k","metaDescription":"Siemens 3VA1150-5GF46-0AA0 SENTRON molded case circuit breaker, 50 A, 4-pole, TM240 release, 187 kA interrupting at 240 V. Active production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"101.6 mm","Height":"130 mm","Maximum":"50 A","Minimum":"50 A","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"75.6 kA","at 500 V":"17 kA","at 690 V":"17 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]":"4 in","Height [In]":"5.12 in","Trip Indicator":"No","Number Of Poles":"4","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","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","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","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","design of the N-conductor protection":"100%","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"600 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"box terminal on both sides","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/39507c194fac754dd086515c07a266b9.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=226660&mlfb=3VA1150-5GF46-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1150-5GF46-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for 3VA1150-5GF46-0AA0?","answer":"50 A continuous, 4-pole, TM240 thermal-magnetic release, 187 kA interrupting at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, 17 kA at 500 V and 690 V. Insulation voltage 800 V. Operating ambient -25 °C to 70 °C with derating above 55 °C."},{"question":"What is the depth of 3VA1150-5GF46-0AA0?","answer":"70 mm (2.76 in)."},{"question":"What is the width of 3VA1150-5GF46-0AA0?","answer":"101.6 mm (4 in)."},{"question":"Where can I buy 3VA1150-5GF46-0AA0?","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":"Does 3VA1150-5GF46-0AA0 have a ground-fault monitoring function?","answer":"No, the ground-fault monitoring version is listed as 'Without'. This is a plain thermal-magnetic MCCB for line protection."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1150-5GF46-0AA0","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/3VA1150-5GF46-0AA0 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}}