{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1150-3EE32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1150-3EE32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1150-3EE32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1150-3EE32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1150-3EE32-0AA0, 3-pole molded case circuit breaker, 50 A rated current, 75.6 kA breaking capacity at 240 V, TM220 overcurrent release, line protection design.","salesMarkdown":"The Siemens 3VA1150-3EE32-0AA0 is a SENTRON 3-pole molded case circuit breaker (MCCB) rated for 50 A continuous at 40 °C, with a TM220 thermal-magnetic overcurrent release. Breaking capacity is the headline spec here: 75.6 kA at 240 V AC, 52.5 kA at 415 V, 32 kA at 440 V, and still 11.9 kA at 690 V. That's a high-interrupting rating for a 50 A frame — it clears severe fault currents without upstream fuses needing to blow, which matters for selectivity in a multi-level distribution board. Front face carries IP40 protection. Above that it drops: 49 A at 55 °C, 48 A at 60 °C, 46 A at 65 °C, 45 A at 70 °C. Maximum power loss is 14.6 W. In a dense panel with multiple breakers side by side, that heat adds up — account for it in the thermal budget, especially if the breaker is enclosed in a gland plate or dead-front. Dimensions are 130 mm height, 76.2 mm width, 70 mm depth — a standard 3-pole MCCB footprint for a 50 A frame.","metaTitle":"Siemens 3VA1150-3EE32-0AA0 SENTRON MCCB, 50 A, 75.6 kA","metaDescription":"Siemens 3VA1150-3EE32-0AA0 SENTRON 3-pole molded case circuit breaker, 50 A rated at 40 °C, 75.6 kA breaking at 240 V. TM220 release, line protection. Current production. Quoted to","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","Maximum":"0 A","Minimum":"0 A","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":"No","Number Of Poles":"3","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":"TM220","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","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 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":"N","Mechanical Service Life (Operating 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"}},"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=409755&mlfb=3VA1150-3EE32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1150-3EE32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What overcurrent release does this breaker use?","answer":"A TM220 thermal-magnetic release. The thermal element protects against overloads; the magnetic element trips instantaneously on short-circuit. It's fixed, not adjustable — line protection only, not suitable for motor starting duty where adjustable curves are needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1150-3EE32-0AA0","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/3VA1150-3EE32-0AA0 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}}