This is a used industrial servo drive, Bosch Rexroth Indramat DKC11.3-040-7-FW. This was removed in working order from a working industrial system. Verify this fulfills your needs before any purchase. More than one of these are available.
Bear in mind that as these are used, they may need a cleaning, looking over or programming/setup for a particular use.
Positive feedback is appreciated when you receive your purchase. Thank You