SIEMENS 6ES5946-3UR21 Description Description SIEMENS SIMATIC S5, CPU 946R F. S5-155H PLC Related products SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FN3150-4SA00-0AA0
