Hazardous area sounders
DB1P DB3B dEV 20 DB5
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DB7 DB6 dGW21/dRGW21 dGH 21 / dRGH 21
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mHG 11 mHP11 mHP12
The MEDC and FHF range of sounders are suitable for a wide variety
of applications and feature a selection of tone settings and traditional
bells.
Sounders are used to warn of potentially dangerous situations or to
relay instructions. In addition the alarms may operate as stand-alone
units or be incorporated into a hazard warning system. A wide
variety of sound output levels and other options are also available.
The sounders output in dB is measured to European standards at 1
metre.
26 EATON signalling and alarms product overview
Hazardous area sounder
The MEDC DB3B, the latest addition to the sounder range boasts
improved functionality and performance; including a higher output than
the DB3, with SPL reaching 122dB @ 1m (+/-3dB). This significantly
improves sound coverage in high noise environments, and ensures that
our product will be effective in almost any application.
The DB3B is ATEX, IECEx, INMETRO, cULus, TR CU, CQST, CCOE, CCCF
and SIL 1 certified, and can be purchased as part of a beacon/sounder
combination unit (please contact Eaton for details). In addition, it is
available as either a flameproof enclosure (Ex d), or increased safety
unit (Ex de), as well as protection against Gas or Gas & Dust
atmospheres, allowing for greater flexibility to suit most specifications.
• Maximum output of 122dB @1m
• Certified –55°C to +70°C
• ATEX, IECEx, cULus, TR CU, CQST, CCOE, CCCF, SIL 1 & INMETRO certified • Improved current consumption (329mA at nominal 24Vdc low inrush)
• Increased room in terminal chamber
• Drivers tested for over 1500 hours at full power
• Ex d/ Ex de units available
• Gas/ Gas & Dust units available
• Increased room in terminal chamber
• Improved control options
• 28 user selectable tones