3RH29112HA11 auxiliary switch, on the front, 1 NO + 1 NC, .1/.2, .3/.4, --/--, --/--, current path: 1 NC, 1 NO, --, --, spring-loaded terminal, for contactors 3RT2 and contactor relays 3RH2
6GK1901-0DB20-6AA0 Industrial Ethernet FastConnect M12 plug PRO 2x2 M12 plug-in connector with rugged metal enclosure and FC connection method, with axial cable outlet (D-coded) 1 pack=1 unit for SCALANCE X208 PRO and ET 200 PRO PN.
PROFIBUS OLM/G12 V4.0 Optical Link Module with 1 RS 485 and 2 glass FOC interfaces (4 BFOC sockets) for standard distances up to 2850 m, with signaling contact and measuring output.