Siemens IT2C2221HS Description Description Siemens Detector EEx-d HYDROGEN SOLFOR. 4-20 mA 0 Related products SIEMENS 1790L811A SIEMENS 1FT5072-0AC01-1-Z SIEMENS 1FK7060-5AF71-1FH3 SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FK6042-6AF71-1TH0