AXIS XC1311 Explosion-protected Network Horn Speaker is certified for use in hazardous locations (ATEX: II 2G Ex d IIC T5 Gb, II 2D Ex tb IIIC T=91 C Db; IECEx: Ex db IIC T5 Gb, Ex tb IIIC T=91 C Db; cULus: Class I Div 1 ABCD T5, Class I Zone 1 AEx db...