Hazardous Area – MEDC Alarm, Signalling and Notification Products

  • Potentially explosive atmospheres
  • Harsh industrial and marine environments
  • World-wide certification: ATEX, UL, FM, CSA, GOST, CQST Chinese, and to customer specification.
  • Wide operating temperature range
  • High Ingress Protection Rating
  • Corrosion-free GRP
  • Wide range of customer specific options
  • Two year warranty on all products


DB 20

Up to 8 Watts
EExde, Weatherproof

  • Applied in potentially explosive gas atmospheres
  • Suitable for use in the harsh environmental conditions found offshore and on shore in the oil, gas and petrochemical industries
Frequency Range 400Hz to 7kHz.
Certified Ambient Temperature -50℃ to +70℃
Ingress Protection
Material Body & Cover – UV stable, Corrosion-free GRP.; Outer flare – UV stable ABS; Mounting stirrup and fixtures in stainless steel
Output Max 112 dBA at 8W at 1 metre
Entries 2×20mm
Weight 1.5kg
Tappings 8-0.2* & 8ohm version
Certification Ex de IIC tD A21 T1 30℃,IECEx de IIc tD A21 t1 30℃. Zone 1, Zone 2 & non-Ex use
Options: Body colour, tag & duty labels, transformer voltage, earth continuity,100V or 70v line versions available.