Transmitter supply isolator, 2-channel, operating voltage 19.29 VDC, supply of transmitters in 2-wire technology with HART communication as well as connection to active 2-wire and passive 3-wire transmitters, input circuits: 0/4...20 mA, output circuits: 0/4...20 mA, SIL2, removable terminal blocks, screwable, with 2 mm test socket, all-round galvanic isolation, input protected against reverse polarity, ATEX, IECEx, UL, CFMUS, TR CU, CCOE, Kosha, use in zone 2