Isolating switching amplifier. 2-channel . Ident. no.: 7580040. 2 transistor outputs ( 10kHz). Switchable: 2-channel or signal doubling. Output mode adjustable (NO/NC mode). Input circuits monitored for wire-break/short-circuit (ON/OFF switchable). Complete galvanic isolation. Input reverse-polarity protected. Removable screw terminals. ATEX use in Zone 2, cUL. SIL 2