LU-33111200AP1B-LINEAR MODULE U F4 .1KW 20B L20A1B 0 P 1. the linear module LU-33111200AP1B-LINEAR MODULE U F4.1KW 20B L20A1B 0 P 1, producing precise and seamless linear motion. With its 20B load capacity, it is excellent for a wide range of the industrial automation applications.