3SE7921-1AC Description Description 3SE7921-1AC SIEMENS Safety Switch – Safe Rope Switches – Accessories Cable pulley Related products SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FN3300-4SA00-0AA0
