Audible signalling device | Sounder | In flameproof enclosure | Type : YA11/1-D-14-RN | Enclosure material : Aluminium/ABS | Enclosure colour : Red (RAL 3001) | Sound pressure level : max. 100 dB(A) @ 1m | AC rated operational voltage : 0,00 V | DC rated operational voltage : 24,00 V | Rated operational current : 0,071 A | Power : 0 W | Frequency range : 0 Hz | Application range (zones) : 2 , 22 | Gas explosion protection : II 3 G Ex nA IIC T4 Gc | Dust explosion protection : II 3 D Ex tc IIIC TT90 °C Dc | min. ambient temperature : -40 °C | max. ambient temperature : +70 °C | Min. service temperature : -40°C | Max. service temperature : +70°C | IP degree of prot. (IEC 60529): IP66 | part material : Provided | Dimensions (L x W x H) : 147,5 x 147,5 x 65 mm | For further information, see : r-stahl.com WebCode YA11A