6GK5991-1AD00-8GA0 SIEMENS SCALANCE X accessory; Active plug-in transceiver SFP991-1A; 1x 100 Mbit/s LC port, optical; multimode optical up to max. 5 km.
3RT1044-1AG20 Siemens contactor that is rated for 65 AMPS and 50 H.P. @ 460v Three phase and a 110v50/60Hz AC coil. Comes with screw terminals and can be mounted on DIN rail
Siemens 6SN1 118-0DM33-0AA2 SIMODRIVE 611-D Digital High Standard Control Plug-in Unit, Closed-loop Control, 2-Axis, for encoders with sin/cos 1 Vpp, Speed/Torque Digital Setpoint Interface for Feed Drive (FD) and Main Spindle (MSD) Control.