Siemens 3RT1045-1AR04 Description Description Siemens STYCZNIK, AC-3, 37 KW/400 V, AC 415 V, 50 HZ, 2 NO + 2 NC 3-P, WLK. S3, PRZYL. SRUB., Related products SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FK7042-5AF71-1EA0