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Remote I/O IS1 | CPU and power module For Zone 1 | Type : 9440/22-01-21-C1202 | Protocols : Modbus RTU | Application range (zones) : 1 , 2 | Nominal voltage : 120 V / 230 V AC | Current con. (w/o I/O modules): Approx. 25 mA at 230 V AC Appr | Current con. (w 8 I/O modules): Approx. 0.4 A at 230 V AC Appr | min. ambient temperature : -20°C | max. ambient temperature : +65°C | Length : 253 mm | Width : 96,5 mm | Gas explosion protection : II 2 G Ex d [ia] [ib] | IIC T4 Gb IIC T4 Gb | For further information, see : r-stahl.com WebCode 9440A