3RH1921-1CA10 Description Description 3RH1921-1CA10 SIEMENS Auxiliary switch block Front Mounting Auxiliary Switch Block, 1 NO, S6 to S12 Related products SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FK6032-6AK71-1TG0 SIEMENS 1FT5072-0AC01-0-Z
