Explosionproof Signalling Bell dGW21 for Zone 1+21 UL approval
Explosion proof Signalling Bell with approx. 105 dB(A) UL approval 
Application: Hazardous areas Zone 1 + 2, IP66 
II 2 G Ex de IIC T6 
Housing: Glasfibre reinforced polyester (GRP), Dome steel (powder-coated) 
Electromechanical System 
Housing colour: black or red 
AC and DC versions available 
Special version with integrated telephone call relay 
Integrated installation box, no junction box required
Following variants are available: (please click for details)
FHF91024270 ExII-Signalling bell dGW 21 UL 24 VDC housing black
FHF91120170 ExII-Signalling bell dGW21 UL 120 VAC housing black
Available Downloads (additional downloads in detail area):