{"product_id":"siemens-6ra8081-6ds22-0aa0-sinamics-dcm-dc-converter","title":"Siemens 6RA8081-6DS22-0AA0 SINAMICS DCM D485\/400 400V 3AC 332A to 485V DC 400A 2Q DC Converter","description":"\u003cp\u003eThe Siemens 6RA8081-6DS22-0AA0 is a SINAMICS DCM 2-quadrant DC converter with a B6C connection, rated for 400 V 3AC 332 A input and delivering 485 V DC at 400 A to the armature, with a D485\/400 field rectifier (MRE-GEEF6S22) for the motor field winding. It weighs 28.0 kg and is manufactured in China.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e6RA8081-6DS22-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSINAMICS DCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit type\u003c\/td\u003e\n\u003ctd\u003eB6C, 2-quadrant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e400 V 3AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput current\u003c\/td\u003e\n\u003ctd\u003e332 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput voltage\u003c\/td\u003e\n\u003ctd\u003e485 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput current\u003c\/td\u003e\n\u003ctd\u003e400 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField rectifier\u003c\/td\u003e\n\u003ctd\u003eD485\/400 (MRE-GEEF6S22)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of origin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e28.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS code\u003c\/td\u003e\n\u003ctd\u003e8504409999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe B6C single-bridge connection makes this a 2-quadrant converter: it controls armature current and speed in one direction of torque but has no regenerative braking path back to the AC line, unlike the (B6)A(B6)C 4-quadrant units in the same DCM range. That makes it the lower-cost, simpler choice for loads that run in one torque direction without needing electrical braking, such as pumps, fans, or extruders, where a 4-quadrant unit would be unnecessary. At 400 A and 485 V DC output it also sits at the high-current end of the DCM lineup, sized for larger separately excited DC motors than the 90 A and 210 A variants in the family. The D485\/400 field rectifier supplies the motor's separate field winding without an external field supply.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eArmature and field control for separately excited DC motors in pumps, fans, extruders, and other large single-direction industrial drives running from a 400 V 3AC supply where regenerative braking is not required.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53959841055003,"sku":"6RA8081-6DS22-0AA0","price":10833.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6ra8081-6ds22-0aa0-sinamics-dcm-dc-converter.png?v=1789715091","url":"https:\/\/stoklink.com\/products\/siemens-6ra8081-6ds22-0aa0-sinamics-dcm-dc-converter","provider":"Stoklink","version":"1.0","type":"link"}