Isolating switching amplifier. 1-channel. Ident. no.: 7580004. Transistor output ( 10 kHz). NAMUR Repeater. Input circuits monitored for wire-break and short-circuit. Complete galvanic isolation. Input reverse-polarity protected. Removable screw terminals. ATEX, IECEx, NEPSI, cUL, cFM, INMETRO, Kosha, TIIS. Use in Zone 2. SIL 2