SINAMICS G120 is a Advanced Drive use for Higher range Applications such as HVAC, PUMPS, EXTRUDERS, CONVEYOR, MIXERS, COMPRESSORS ETC. SINAMICS G120 is a Modular inverter system that essentially comprises of three units. 1)Control Unit. 2)Power Module. 3) BOP - Basic Operator Panel. Controlling of the motor according to the various control procedures is executed via the control unit. SINAMICS G120 Power Modules is available in type such as. 1)PM230 IP55 2)PM230 IP20 3)PM240 4)PM240-2 5)PM250. G120 Power Module is available in wide range of Power from 0.37kw to 132kw, with integrated filter and without integrated filter. In Sinamics G120 several control units are available in various designs majorly categorized into. 1) Control Units CU230P-2-For Pumps, Fans and Compressors. 2)Control Units CU240B-2-For basic applications with Variable-speed Drives. 3)Control Units CU240E-2-For standard applications in general machinery. 4)Control Units CU250s-2-For performance applications in general machinery. Basic Operator Panel(BOP) is the display Unit of G120. It is Placed over Control Unit through which we can do Parametrization of Drives.