Gas alarm center ExTox ET-4D2

Gas alarm center ExTox ET-4D2 for up to four detectors. Oxygen, flammable or toxic gases can be connected. Graphical display for displaying measured values ​​and alarms as well as information about systems and measuring points. Flexible menu system for configuring, among other things, alarm levels and relay functions.

Gas alarm center ExTox ET-4D2

4 transmitters (4-20 mA, RS485 communication).
4 digital, potential-free4 digital, potential-free

12 potential-free switching relays, freely configurable for alarm levels and errors.
2 relays for service mode and system error.
4 analog outputs 4-20mA, 0-5 volts, 0-10 volts (option)

LED indication:
Red; for all alarm levels per channel.
Greens; for active channel indication.
Yellow; for error indication per channel, service and system errors.

Alarm: 3 adjustable alarm levels per channel.
Operating voltage: 230 VAC (alt. 24 VDC)
Operating temperature: -10 to +40°C
Power consumption: 0,2 A / 45 W
Dimensions: 194 x 240 x 120 mm
Enclosure: ABS, IP 54
EX classification: ATEX II (3)G

Available in several variants as below:
Mounting method: Wall, DIN rail, Panel or 19″-Rack
Operating voltage: 230 VAC or 24 VDC
Analog outputs: Y/N

Product sheet
Product sheet

4-20 mA, ATEX, Display, Relays, RS485


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