SIEMENS » 7MB1943-6EA30
EVALUATION UNIT, TYPE 8022 FOR MEASUREMENT AND DISPLAY OF GAS CONCENTRATION OF CONNECTED 4...20 MA GAS DETECTORS NUMBER OF CONNECTABLE SENSORS:2 TWO ALARM THRESHOLD VALUES ADJUSTABLE PER SENSOR; 4 OUTPUTS RELAYS: ALARM, HORN, FAULT; DISPLAY AND CONTROLS BUTTONS; HOUSING: PLASTIC FOR WALL OR RAIL MOUNTING MOUNTING POWER SUPPLY: 210-250VAC, 50-60HZ, 20VA OR 24V DC ,