3SK1211-1BW20 Description Description 3SK1211-1BW20 SIEMENS Safety – 3SK Safety Relays 4 x Relay Output (4A) instantaneous, 110-240VAC/DC Related products SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1790L811A SIEMENS 1FK6060-6AF71-1TG0
