adapter and screw for compensation of the mounting depth for metal switches for twist lever adjustable length and rod lever 3SE51, for modification of 3SE21 (3SE21.0-.UW/VW/WW/U/V/W) to 3SE51
SIMATIC NET, CP 343-2 Communications processor for Connection of SIMATIC S7-300 and ET 200M to AS-Interface according to AS-Interface Specification V3.0