{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BRS39BWM71ACA","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"BRS39BWM71ACA","canonicalUrl":"https://aoctrl.com/schneider/BRS39BWM71ACA","factsUrl":"https://aoctrl.com/api/mcp/products/BRS39BWM71ACA","rawCanonicalId":null},"summary":{"shortDescription":"3-phase stepper motor - 6.78 Nm - shaft Ø 12mm - L=128mm - w/o brake - conn","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Servo Motors"],"specifications":{"Length":"6.7 in (171 mm)","Shaft end":"Woodruff key","Standards":"EN 50347 IEC 60072-1","Motor type":"3-phase stepper motor","Resistance":"6.5 Ohm winding)","Resolution":"1000 points/turn 1.8 °, 0.9 °, 0.72 °, 0.36 °, 0.18 °, 0.09 °, 0.072 °, 0.036 ° step angle 200, 400, 500, 1000, 2000, 4000, 5000, 10000 steps number of full steps per revolution","Second shaft":"Without second shaft end","Shaft length":"1.2 in (30 mm)","Feedback type":"Single turn encoder","Holding brake":"Without","Rotor inertia":"3.3 kg.cm²","Time constant":"10 ms","Accuracy error":"+/- 6 arc min","Holding torque":"60.008 lbf.in (6.78 N.m)","Nominal torque":"53.1 lbf.in (6 N.m)","Shaft diameter":"0.6 in (14 mm)","Type of cooling":"Natural convection","lifecycle_stage":"mature","Mounting support":"Flange","Device short name":"BRS3","Motor flange size":"3.3 in (85 mm)","Peak stall torque":"51.16 lbf.in (5.78 N.m)","Relative humidity":"15...85 % without condensation","Temperature class":"F winding IEC/EN 60034-1","Operating altitude":"<= 1000 m without power derating","[In] rated current":"2.25 A","Angular acceleration":"200000 rad/s²","Vibration resistance":"20 m/s² maximum A EN/IEC 60034-14","Centring collar depth":"0.08 in (2 mm)","Electrical connection":"Connector","Number of motor poles":"6","Service life in hours":"20000 h bearing)","Supply voltage limits":"230 V AC 325 V DC","Maximum axial force Fa":"175 N tensile force) 30 N force pressure)","Continuous stall torque":"51.16 lbf.in (5.78 N.m)","IP degree of protection":"IP56 shaft bushing: conforming to EN/IEC 60034-5 IP56 total except shaft bushing: conforming to EN/IEC 60034-5","Maximum radial force Fr":"110 N first shaft end) 50 N second shaft end)","Mounting holes diameter":"0.3 in (6.5 mm)","Centring collar diameter":"2.9 in (73 mm)","Maximum mechanical speed":"3000 rpm","Number of mounting holes":"4","Product or component type":"Motion control motor","Speed feedback resolution":"10000 points/turn","Maximum starting frequency":"5.3 kHz","Ambient air temperature for storage":"-13...158 °F (-25...70 °C)","Ambient air temperature for operation":"-13...104 °F (-25...40 °C)","Circle diameter of the mounting holes":"3.90 in (98.99 mm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/6eda86be38d6abe96cdbab3a758ee3ee.pdf","sourceUrl":"https://www.se.com/ie/en/product/BRS39BWM71ACA/3phase-stepper-motor-6-78-nm-shaft-ø-12mm-l128mm-w-o-brake-conn/","alternativesUrl":"https://aoctrl.com/api/mcp/products/BRS39BWM71ACA/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/BRS39BWM71ACA","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/BRS39BWM71ACA 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}}