ECM-LU22H3S2CNDBS-LINEAR MOTOR-PBA U22H3SD SET 1.The ECM-LU22H3S2CNDBS-LINEAR MOTOR-PBA U22H3SD SET 1 is a state-of-the-art linear motor system created with industrial accuracy which includes ECM technology for improved reliability and? the?efficiency in automated, robotic, and manufacturing applications.