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):
Datasheet DE
Datasheet EN
User manual DE
User manual EN
ATEX certificate DE
ATEX certificate EN
Declaration of conformity EX DE
Declaration of conformity EX EN
Declaration of conformity EX ES
Declaration of conformity EX FR
UL-US certificate EN
RoHS Declaration of conformity DE
RoHS Declaration of conformity EN