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 3

Up to 118 dB(A)
EExd(e), Weatherproof

  • Applied in potentially explosive gas and dust atmospheres
  • Suitable for use in the harsh environmental conditions found offshore and on shore in the oil, gas and petrochemical industries
  • Internal volume controlTones comply with UK00A/P EER guidelines
  • Two tones may be swithched via the external voltage supply AC and DC available
  • Tones may be programmed to customer specification.
Certified Ambient Temperature -20℃ to +70℃ (standard)
-55℃ to +55℃ (low temp unit)
Ingress Protection IP66 & 67
Material Body & horn in anti-static, UV stable, Corrosion-free GRP.
Swivel bracket & captive cover screws in stainless steel.
Cable Entries Up to 2×20mm or 2 ×½〃NPT
Weight 6.0kg for EExd, or 6.5kg for EExe
No. of Tones 27 + 5 programmable
3/4 Tone Unit Remote 3 or 4 tone available
No. of Terminals 4 × 2.5mm2 (a.c.), 6 × 2.5mm2 (d.c.)
Current Consumption 380mA at 24V d.c, . 135mA at 110V a.c, 62mA at 240V a.c.
Certification Flameproof ATEX Ex II 2GD, EExd(e) IIC Zone 1, Zone and non-Ex use
Options: Body colour, tag & duty labels, Sounder/Beacon Operation, two stage alarm (DB3P), low temperature version available, EOL resistor, terminal chamber voltages 12-48V d.c., 110V-254V a.c.