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Explosion-Proof Signalling Bell dGW21 for Zone 1+21
Brand: Funke + Huster Fernsig GmbHThe signaling bell dGW21 was designed to warn, call and signal in areas with explosive atmospheres in group II and rough ambient conditions.
The protection type II 2 G Ex de IIC T6 allows the signaling bell to be used without restriction in all ex-areas classified 1 and 2.
The signaling bell produces a sound volume of approx. 105dB(A) at 1 meter distance.
The emphasis of the ringing lies at approx. 1000 Hz, as a result of which the signal stands out clearly against lower frequency ambient noises. The bell is available for all usual supply voltages. The version dRGW 21 emits the signals in time with the connected telephone call.
Features- ATEX II 2 G Ex de IIC T6
- Housing made of glass-fiber reinforced polyester (GRP)
- Volume: approx.: 105 dB(A)
- Protection: IP 66
- Safety class II (no equipotential bonding necessary)
- Version dRGW 21 with integrated telephone call relay
- Integrated terminal box realized in Ex protection mode increased safety
Specifications
Housing
- GRP glass-fibre reinforced polyester
Colour
- black or red
Protection
- IP 66
Safety class
- II (no equipotential bonding necessary)
Cable gland
- 1x M20 x 1.5 cable gland and 1 blind plug M20 x 1.5
Connection terminals
- 1.5 mm2 fine wire
- 2.5 mm2 single wire
Operating conditions
- indoors and outdoors
Operating position
- Bell dome to the front (tappet downwards)
Volume
- approx. 105 dB(A) at 1m distance (Regarding volume specifications please see the chapter “Technical Informations”)
Operating mode
- Continuous
Temperature range
- Operation -20°C to +40°C
- Storage -30°C to +80°C
Explosion Protection
- II 2 G Ex de IIC T6
Weight
- approx. 5.5 kg