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


CU1 Range

Up to 116 dB(A)

  • Suitable for use in the harsh environmental conditions found offshore and on shore in the oil, gas and petrochemical industries
  • Tones comply with UK00A/RFEER guidelines
  • Tapered flamepath  
  • Internal volume control
Current Consumption 10 Joule Beacon Sounder @ 60 fpm: 864-1387mA at 24-48V d.c.; 172-417mA at 110-250V a.c. 
5 Joule Beacon Sounder @ 60 fpm: 700mA at 24-48V d.c. & 110-250V a.c.
Material Body, flares & covers: GRP
Lens: Glass
Guard fitted as standard
Cover crews & mounting strap: Stainless steel
Weight 6.5kg
Certified Temperature Standard unit: -50℃ to +50℃
High temperature unit: -50℃ to +70℃
Ingress Protection IP66 & 67
Terminals 8 ×4.0㎡
Entries Up to 2 × 20mm or 25mm
Maximum Output Standard unit: sounder 10 Watts
High temp. unit: sounder 5 Watts
Sound Output Standard Unit:  116dB(A)±3dB(A)
High temp. unit: 110dB(A)±3dB(A)
Two Stage Unit Swithable between any two tones by either:
  1. Reversing the polarity* of the supply or
  2. by a 3 wire common +ve system, switching between the two –ve lines.
Certification EExde IIB T3, ATEX Ex II 2G, Zone 1 & Zone 2 & non-Ex use
Options: Tel or relay initiate, Independent Beacon/Sounder Operation, 27 user selectable tones, EOL Res., Earth continuity, Tag & Duty labels