Isolating switching amplifier, 2-channel, Operating voltage 10…30 VDC, 2 relay outputs (complementary contact), 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, Connector for power bridge incl. in delivery, ATEX use in Zone 2, cUL, SIL 2