{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"VW3A7791","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"VW3A7791","canonicalUrl":"https://aoctrl.com/schneider/VW3A7791","factsUrl":"https://aoctrl.com/api/mcp/products/VW3A7791","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Altivar series, braking resistor, VW3A7791, 6.7 Ohm, 60 kW at 40 °C, IP23, M10 terminal.","salesMarkdown":"The Schneider Electric VW3A7791 is a braking resistor from the Altivar accessory range, designed to dissipate regenerative energy from a variable-frequency drive during deceleration. It carries a 6.7 Ohm resistance and is rated for 60 kW average power at 40 °C ambient, making it suitable for heavy-duty braking cycles on large motor loads. ## Duty cycle and thermal management The duty cycle is specified for severe service: heavy-duty and normal-duty cycles with braking torque up to 120 % over a 200 s cycle, with braking periods under 60 s. Thermal protection is handled by the drive itself, not by an internal thermostat — the drive monitors resistor temperature and current to prevent overload. ## Physical integration and environment Dimensions are 540 mm deep, 1060 mm wide, and 1285 mm tall — a floor-standing cabinet-style resistor, not a DIN-rail module. Electrical connection is via M10 terminals.","metaTitle":"Schneider Electric VW3A7791 Braking Resistor, 6.7 Ohm 60 kW,","metaDescription":"Schneider Electric VW3A7791 braking resistor, 6.7 Ohm, 60 kW at 40 °C, IP23. Obsolete — sourced to order against RFQ via independent channels.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Motor Control Accessories"],"specifications":{"Depth":"540 mm","Width":"1060 mm","Height":"1285 mm","Duty cycle":"Severe cycle (heavy duty) Severe cycle (normal duty) Severe cycle (heavy duty) Severe cycle (normal duty) <60 s braking with 120 % braking torque for a 200 s cycle","Ohmic value":"6.7 Ohm","Protection type":"Thermal protection via drive","lifecycle_stage":"mature","Range of product":"Altivar","Electrical connection":"M10 terminal","Average power available":"60 kW at 40 °C","IP degree of protection":"IP23","Product or component type":"Braking resistor","Accessory / separate part type":"Braking unit","Ambient air temperature for storage":"-25...70 °C","Ambient air temperature for operation":"-25...40 °C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://www.se.com/uk/en/product/VW3A7791/braking-resistor-3x67-ohms-60-kw-ip23/","alternativesUrl":"https://aoctrl.com/api/mcp/products/VW3A7791/alternatives.json"},"ai":{"faq":[{"question":"What is the closest alternative to VW3A7791?","answer":"No official successor order code is listed in the manufacturer's records for this part. For a form-fit-function equivalent, the key parameters to match are 6.7 Ohm resistance, 60 kW average power at 40 °C, and the severe-duty braking cycle profile. Any replacement must also be compatible with the Altivar drive's braking circuit and thermal protection scheme."},{"question":"Where can I buy VW3A7791?","answer":"The VW3A7791 is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at the time of quote."},{"question":"What compliance documentation is available for VW3A7791?","answer":"The evidence does not list specific compliance certifications (RoHS, REACH, UL, IEC) for this part. The resistor is designed for integration into Altivar drive systems, which carry their own certifications; verify documentation requirements at the time of ordering."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/VW3A7791","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/VW3A7791 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}}