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Products --->
Loudspeakers /
Ringers ---> Hazardous Area ---> DB4 Series |
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Description
 MEDCs
DB4 loudspeakers are intended for use in potentially
explosive atmospheres. They have a power rating of up to 25
watts and are suitable for use in all gas groups including
hydrogen.
The flamepaths, flare and body are manufactured completely
from a UV stable glass reinforced polyester. Stainless steel
screws and sinter are incorporated thus ensuring a corrosion
free product. |
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Product Features
15/25W
models with long flare
8W model with short flare
UL listed for USA and Canada
CSFM and ATEX approved
Transformer coupled
25 or 70Vrms
400Hz to 8kHz frequency range
Up to two ½ NPT conduit openings
NEMA 4x and 6, IPP66 & IPP67
Inanti-static, UV stable, glass reinforced plolyester.
GRP corrosion-free flamepaths
109dBA at 25 watts at 10 feet (?m)
8, 15 and 25 watt versions
Power tappings, via integral transformer
Stainless steel ratched swivel bracket and captive cover
screws
Stainless steel sinter
Stainless steel mounting bracket
Tapered flamepath
Operating Temperature -67°F to -158°F (-55°C to +70°C)
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Applications
Chemical Plants
Refineries
Aerospace Sites
Bulk Loading Stations
Mines
Drilling Rigs
Munitions Storage Areas
Offshore Platforms
Nuclear Facilities
Power Generation Facilities
and more ...
Standard Compliance
UL 1480
Listed
UL listed for USA and Canada
Class l, Div 2, Groups A, B, C and D
Class l, Zone 1, AExd llC T4
UL Listing No. E203310
CSFM approved
ATEX approved: EN50014, 18, 19
Cert. No.BAS00ATEX2097X, EExd llC T4/T5
Cert. No. BAS00ATEX2098X, EExdc llC T4/T5
Zones 1 and 2. Not for use in atmospheres containing carbon
disulphide
NEMA 4x and 6, Ipp66 and IPP67 |
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