Schneider Electric TM3 Series PLC I/O Module 16 Outputs 500 mA 24 V, 90 x 23.6 X 70 mm. Output Type: Transistor. For Use With: Modicon M221, Modicon M241, Modicon M251. Length: 90mm. Width: 23.6mm. Depth: 70mm. MPN: TM3DQ16UG