MasterBASIC narrow coupling relay for DIN rail, with screw connections, modular design, 1 changeover contact for 6 A, contact material AgNi, can be used universally as a coupling relay in the input to the PLC or in the output of the PLC to control actuators, LED display, terminals A1 or A2 and 11 can be bridged, coil voltage 24 V AC/DC