{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1180-4EF32-0CH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1180-4EF32-0CH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1180-4EF32-0CH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1180-4EF32-0CH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1180-4EF32-0CH0, molded case circuit breaker, 3-pole, 80 A at 40 °C, 121 kA interrupting at 240 V, line protection design with undervoltage release.","salesMarkdown":"The Siemens SENTRON 3VA1180-4EF32-0CH0 is a 3-pole molded case circuit breaker rated 80 A at 40 °C, sized for line-protection duty in distribution panels and motor control centers where the interrupting requirement climbs to 121 kA at 240 V. At 415 V the rating drops to 75.6 kA, at 440 V to 52.5 kA, and at 500 V or 690 V it holds at 11.9 kA. For a panel engineer coordinating downstream breakers, the 121 kA figure governs the upstream fault level the MCCB can handle; the lower values at higher voltages tell you where the arc extinction physics saturates. Thermal derating is well-characterized: the breaker holds 80 A flat from 40 °C through 50 °C, then drops to 78 A at 55 °C, 77 A at 60 °C, 75 A at 65 °C, and 74 A at 70 °C. Occupies 76.2 mm width, 130 mm height, and 70 mm depth — a 3-inch wide footprint. Maximum power loss is 21.7 W — a meaningful number for enclosure thermal calculations when several breakers are ganged in a sealed cabinet. The trip indicator gives a visual flag on the breaker face, useful during fault tracing without breaking seals. ## Compliance and approvals posture 800 V rated insulation voltage and interrupting ratings across the voltage range are consistent with IEC/UL standards.","metaTitle":"Siemens 3VA1180-4EF32-0CH0 SENTRON MCCB, 80A 3-Pole, 121kA a","metaDescription":"Siemens SENTRON 3VA1180-4EF32-0CH0 molded case circuit breaker, 80A rated at 40°C, 3-pole, 121kA interrupting at 240V. Line protection with undervoltage release. Current-production","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":"Yes","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":"3VA11804EF320AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch 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":"3VA9608-0BB24","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":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"S","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=496842&mlfb=3VA1180-4EF32-0CH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1180-4EF32-0CH0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1180-4EF32-0CH0","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/3VA1180-4EF32-0CH0 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}}