Product Description Control Techniques / Emerson brushless AC servo motor model no. 142UME301CACAA. Stall 23.4Nm@14.7A; Speed 3000rpm, Ke: 98V/K rpm Lt: 1.6Nm/A; Brake 1.0A, 20NM, 24VDC, F/B 4096ppr, Insul H, Poles 6. New/Surplus, manufactured in March, 2011.