The SINUMERIK 840D/DE NCU box 6FC5247-0AA00-0AA2 by Siemens is a robust and versatile housing designed to accommodate a range of Numerical Control Units (NCUs), specifically the 561.2, 561.3, 561.4, 571, 571.2, 571.3, 571.4, 572, 572.2, 572.3, 573.4, 573...