The Siemens 3RK1902-2NB50 is a Bus cable for PROFINET assembled on both ends 4-core, shielded assembled with 2 x M12 D-coded, angled Length 5.0 mMaterial of the enclosure is Thermoplastic polyureth...
The Siemens 3RK1901-1AA01 is a AS-Interface accessory Input jumper M12 for safe modules Special version colour redAccessory for safe modules Red version