The NCU 730.3 PN is the flagship of the SINUMERIK 840D sl, representing the highest configuration level within the SINUMERIK 840D sl Type 1B.

Up to 31 axes are available in up to 10 machining channels which can be executed in up to 10 mode groups. Up to 20 axes/spindles are supported per channel. Interpolation is possible for a maximum of 20 axes with the CNC software for NCU (multi-axis interpolation option).

The basic version of the CNC user memory is 3 MB, and can be optionally expanded up to 15 MB.