{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1140-6EF32-0BH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1140-6EF32-0BH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1140-6EF32-0BH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1140-6EF32-0BH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON series, molded case circuit breaker, 3VA1140-6EF32-0BH0, 40 A, 3-pole, 220 kA interrupting capacity at 240 V AC, line protection design with undervoltage release.","salesMarkdown":"It carries a continuous 40 A rating at 40 °C — meaning it's sized for a 40 A feeder or branch circuit and will hold that load continuously in a typical 40 °C panel ambient. The 220 kA interrupting capacity at 240 V is the headline figure: this breaker can safely clear a fault up to 220,000 A without rupturing, which puts it in the high-fault-duty class for industrial mains or sub-distribution where available fault current is high. At 415 V it still interrupts 154 kA, and at 690 V it's rated for 17 kA — so the interrupting rating drops as voltage rises, which is normal for an MCCB, and you size the breaker to the available fault current at the actual system voltage. The rated insulation voltage is 800 V, which covers 480/600 V class systems with margin. The 40 A rating holds from 40 °C up through 50 °C — no derating needed in that band. At 55 °C it drops to 39 A, at 65 °C to 38 A, and at the maximum operating temperature of 70 °C it's rated for 37 A. The breaker measures 130 mm high, 76.2 mm wide, and 70 mm deep — a standard MCCB footprint that mounts in a distribution panel or enclosure on a mounting plate. The 3-pole width of 76.2 mm (3 inches) is common for this current class, so it will drop into most panel layouts designed for SENTRON or similar MCCBs without re-drilling. The depth of 70 mm (2.76 in) leaves room behind the door for wiring and the UVR coil connections.","metaTitle":"Siemens 3VA1140-6EF32-0BH0 SENTRON MCCB, 40 A, 3-Pole, 220 k","metaDescription":"Siemens 3VA1140-6EF32-0BH0 SENTRON molded case circuit breaker, 40 A, 3-pole, 220 kA interrupting at 240 V. Includes undervoltage release and auxiliary switches. Current lifecycle.","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":"220 kA","at 415 V":"154 kA","at 440 V":"121 kA","at 500 V":"17 kA","at 690 V":"17 kA","at 40 °C":"40 A","at 45 °C":"40 A","at 50 °C":"40 A","at 55 °C":"39 A","at 60 °C":"39 A","at 65 °C":"38 A","at 70 °C":"37 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":"13.3 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA11406EF320AA0","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":"3VA9608-0BB11","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":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"H","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=424137&mlfb=3VA1140-6EF32-0BH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1140-6EF32-0BH0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 3VA1140-6EF32-0BH0 and how is it quoted?","answer":"This part is sourced and quoted to order through independent distribution channels. Availability and current pricing are confirmed at quote time against an RFQ — no stock or price figures are published here."},{"question":"What is the interrupting capacity of the 3VA1140-6EF32-0BH0 at different voltages?","answer":"At 240 V it interrupts 220 kA, at 415 V it interrupts 154 kA, at 440 V it interrupts 121 kA, and at 500 V or 690 V it interrupts 17 kA. The rating drops with voltage, so size it to the available fault current at your system voltage."},{"question":"Does the 3VA1140-6EF32-0BH0 include auxiliary contacts and a trip alarm?","answer":"Yes, it comes with 2 auxiliary switches and 1 trip alarm switch (HQ design). The trip alarm contact closes only on a fault trip, giving you separate indication from the aux contacts that follow the breaker position."},{"question":"What is the depth of the 3VA1140-6EF32-0BH0?","answer":"The depth is 70 mm (2.76 inches). The overall dimensions are 130 mm high by 76.2 mm wide by 70 mm deep."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1140-6EF32-0BH0","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/3VA1140-6EF32-0BH0 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}}