Modicon TM3 - Expert Module for TeSys Motor Starters. Expert module for Modicon M221, M241 and M251 logic controllers. Modicon expert module, 4 RJ 45 connectors for control of 4 TeSys motor starters, 20 LED block for cord set connecting to motor starter to Display status of 12 input channels and 8 output channels Screw Terminal Block, symmetrical rail lock clip TM3 bus connectors for 24 V dc power connections for input and starter coils, both