{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1180-4EF36-0BC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1180-4EF36-0BC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1180-4EF36-0BC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1180-4EF36-0BC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1180-4EF36-0BC0, molded case circuit breaker, 3-pole, 80 A (40 °C), 121 kA breaking capacity at 240 VAC, line protection, with undervoltage release and 2 auxiliary switches HQ.","salesMarkdown":"It carries 80 A continuously at 40 °C ambient (derated to 74 A at 70 °C), and its interrupting capacity hits 121 kA at 240 VAC, 75.6 kA at 415 V, and 52.5 kA at 440 V — numbers that tell you it's built for high-fault industrial service, not light commercial. ## Built-in auxiliaries and releases — no add-on modules needed This breaker includes an undervoltage release and two auxiliary switches (HQ design) factory-installed. The UVR drops the trip coil when control voltage falls below threshold; the aux switches provide remote status signals. The lifecycle stage is \"current\" — this is an active, in-production catalog item. No last-time-buy or phase-out notice on record.","metaTitle":"Siemens SENTRON 3VA1180-4EF36-0BC0 MCCB, 80 A, 3-Pole, 121 k","metaDescription":"Siemens SENTRON 3VA1180-4EF36-0BC0 molded case circuit breaker, 80 A, 3-pole, 121 kA breaking capacity at 240 VAC. Active production. Available to order. Request quote.","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","Maximum":"0 A","Minimum":"0 A","at 240 V":"121 kA","at 415 V":"75.6 kA","at 440 V":"52.5 kA","at 500 V":"11.9 kA","at 690 V":"11.9 kA","at 40 °C":"80 A","at 45 °C":"80 A","at 50 °C":"80 A","at 55 °C":"78 A","at 60 °C":"77 A","at 65 °C":"75 A","at 70 °C":"74 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":"Yes","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"21.7 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA11804EF360AA0","Design Of The Auxiliary Switch":"2 auxiliary switches HQ","Design Of The Auxiliary Release":"undervoltage release (UVR)","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","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB11","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":"2","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching Capacity Class Of The Circuit Breaker":"S","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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=486763&mlfb=3VA1180-4EF36-0BC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1180-4EF36-0BC0/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation does this brand provide for 3VA1180-4EF36-0BC0?","answer":"As a Siemens SENTRON MCCB, this breaker carries UL, CSA, and IEC certifications standard for the series. RoHS and REACH compliance documentation is available from the manufacturer's technical support portal."},{"question":"What is 3VA1180-4EF36-0BC0's listed width?","answer":"The width is 76.2 mm (3 in), the standard 3-pole pitch for this SENTRON frame size."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1180-4EF36-0BC0","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/3VA1180-4EF36-0BC0 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}}