Analog signal isolator, 1-channel, operating voltage 20,250 VAC / 20,125 VDC, transmission of standardized analog signals from the Ex area to the non-Ex area, input circuit: 0/2.10 V or 0/4.20 mA, output circuit: 0/4.20 mA, all-round galvanic isolation, input protected against reverse polarity, ATEX, IECEx, UL, CFMUS, TR CU, NEPSI, Kosha, use in Zone 2