{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1332-7EE42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1332-7EE42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1332-7EE42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1332-7EE42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1332-7EE42-0AA0, molded case circuit breaker, 4-pole, 320 A at 40 °C, TM220 thermal-magnetic trip unit, 440 kA breaking capacity at 240 V AC.","salesMarkdown":"It carries 4 poles and a TM220 thermal-magnetic trip unit, rated at 320 A continuously at 40 °C ambient — the current holds flat through 50 °C, then derates to 292 A at 70 °C, which is the maximum operating temperature. That thermal curve matters for panel builders: if your enclosure runs hot, the breaker self-limits before the load does. Breaking capacity is the headline number here: 440 kA at 240 V AC, 242 kA at 415 V, and still 154 kA at 500 V. For a 320 A frame, those are high-interrupting ratings — the kind you spec for a main feeder or a high-fault industrial service entrance where the utility transformer is close. Physical footprint: 248 mm tall, 184 mm wide, 110 mm deep. Front face carries IP40 protection — splash protection on the front cover, but the terminals themselves are not sealed. Power loss at full rated current is 80.1 W, which you need to account for in the enclosure thermal calculation.","metaTitle":"Siemens 3VA1332-7EE42-0AA0 SENTRON MCCB, 320 A, 4-Pole, TM22","metaDescription":"Siemens 3VA1332-7EE42-0AA0 SENTRON molded case circuit breaker, 320 A at 40 °C, 4-pole, TM220 trip unit, 440 kA at 240 V. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"184 mm","Height":"248 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"440 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"154 kA","at 690 V":"17 kA","at 40 °C":"320 A","at 45 °C":"320 A","at 50 °C":"320 A","at 55 °C":"313 A","at 60 °C":"306 A","at 65 °C":"299 A","at 70 °C":"292 A","Depth [In]":"4.33 in","Width [In]":"7.24 in","Height [In]":"9.76 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":"80.1 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","design of the N-conductor protection":"without","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":"C","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=1093761&mlfb=3VA1332-7EE42-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1332-7EE42-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of the 3VA1332-7EE42-0AA0 at 415 V?","answer":"242 kA at 415 V AC, and the same rating at 440 V. At 240 V it reaches 440 kA, and at 500 V it's still 154 kA."},{"question":"Where can I buy the 3VA1332-7EE42-0AA0 and how is it quoted?","answer":"This MCCB is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock count or price is published here."},{"question":"Does the 3VA1332-7EE42-0AA0 include communication or ground-fault monitoring?","answer":"No — this breaker has no communication function and no ground-fault monitoring version. It is a straight thermal-magnetic line-protection device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1332-7EE42-0AA0","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/3VA1332-7EE42-0AA0 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}}