Audible signalling device | Sounder | In flameproof enclosure | Type : YA6S/C-F-EN-SF-A-ST-00-00-00 | Enclosure material : Polyester (GRP) | Trumpet material : ABS, flame retardant | Enclosure colour : Black | Sound pressure level : max. 110 dB(A) @ 1m | AC rated operational voltage : 0.00 V | DC rated operational voltage : 48.00 V | Tolerance : -10 … 10 % | Rated operational current : 0.25 A | Power : 0 W | Frequency range : 0 Hz | Application range (zones) : 1 , 2 , 21 , 22 | Gas explosion protection : II 2 G Ex d IIC T6 Gb | Dust explosion protection : II 2 D Ex tb IIIC T75 °C Db | min. ambient temperature : -60 °C | max. ambient temperature : +70 °C | Min. service temperature : -60°C | Max. service temperature : +70°C | IP degree of prot. (IEC 60529): IP66/IP67 | part material : Provided | Cable glands and entries : Can be ordered as accessories | Stopping plugs : 2 x dust cap | Dimensions (L x W x H) : 145 x 178.5 x 263.5 mm | For further information, see : r-stahl.com WebCode YA6SA