SIEMENS 6ES5497-4UL21 Description Description SIEMENS SIMATIC S5,OPTICAL WAVEGUIDE FOR FRONT CONNECTOR FOR SCREW TERMINALS Related products SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FK6032-6AK71-1TG0 SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK6042-6AF71-1TH0 SIEMENS 1FK7011-5AK71-1TG3
