{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1220-5EF42-0CH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1220-5EF42-0CH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1220-5EF42-0CH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1220-5EF42-0CH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1220-5EF42-0CH0, molded case circuit breaker, 4-pole, 200 A rated at 40 °C, 187 kA interrupting at 240 V, line protection design, with undervoltage release and auxiliary switches.","salesMarkdown":"## Sizing and selectivity — what the ratings mean in practice The 3VA1220-5EF42-0CH0: The 200 A frame (with thermal-magnetic or electronic trip, depending on the internal trip unit) sets the continuous pass-through for a feeder or large motor branch. The 187 kA SCCR at 240 V means this breaker can be installed on a transformer secondary with a high available fault current without needing a current-limiting fuse upstream — it self-protects. At 480 V the 75.6 kA interrupting rating still covers most industrial service entrances. The 800 V rated insulation voltage (Ui) confirms the internal clearances support 690 V line-to-line systems, common in mining or marine installations. ## Built-in accessories and panel integration This variant ships with an undervoltage release (UVR) and a 2-auxiliary-switch plus 1-trip-alarm-switch HQ configuration — no need to order add-on modules for basic status feedback or shunt-trip protection. The footprint is 140 mm wide by 158 mm tall by 70 mm deep, which fits standard Siemens SENTRON mounting patterns and busbar kits. The power loss is 44.5 W maximum, so factor that into enclosure thermal calculations if grouping multiple breakers in a sealed panel.","metaTitle":"Siemens 3VA1220-5EF42-0CH0 SENTRON MCCB, 200 A, 4-Pole, 187","metaDescription":"Siemens SENTRON 3VA1220-5EF42-0CH0 molded case circuit breaker, 200 A rated, 4-pole, 187 kA SCCR at 240 V. Active production. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"140 mm","Height":"158 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"75.6 kA","at 500 V":"30 kA","at 690 V":"17 kA","at 40 °C":"200 A","at 45 °C":"200 A","at 50 °C":"200 A","at 55 °C":"194 A","at 60 °C":"188 A","at 65 °C":"182 A","at 70 °C":"176 A","Depth [In]":"2.76 in","Width [In]":"5.51 in","Height [In]":"6.22 in","Trip Indicator":"Yes","Number Of Poles":"4","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":"44.5 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA12205EF420AA0","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","design of the N-conductor protection":"without","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":"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":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"M","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=568589&mlfb=3VA1220-5EF42-0CH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1220-5EF42-0CH0/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting rating of 3VA1220-5EF42-0CH0 at 480 V?","answer":"At 440 V it is rated 75.6 kA; at 500 V it drops to 30 kA. For 480 V systems, use the 440 V rating as a conservative guide — the breaker clears well above typical 480 V distribution fault levels."},{"question":"What accessories are included on this variant?","answer":"It includes an undervoltage release (UVR) and a 2-auxiliary-switch + 1-trip-alarm-switch HQ configuration — ready for remote status and undervoltage protection without extra modules."},{"question":"Where can I buy 3VA1220-5EF42-0CH0 and how is it quoted?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time — no stock count or price listed here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1220-5EF42-0CH0","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/3VA1220-5EF42-0CH0 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}}