Isolating switching amplifier, 1-channel, Operating voltage 10…30 VDC, 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, Power bridge (connector incl. in delivery), ATEX use in Zone 2, cUL, SIL 2