Siemens 3NA6114 Description Description Siemens FUS. NH ISOL.GL / DD GR.1 500VAC 35A SIGNAL. Related products SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FK6060-6AF71-1TA0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FK7044-7AF71-1EG0