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


BG & PB Range

EExed, Intrinsically Safe (EExia)


  • 2 models: Breakglass (BG) and Pushbutton (PB)
  • 4 basic versions available
  • Liftflap available for extra protection against inadvertent operation
  • Captive cover screws
Protection Explosion protected EExe (ATEX or Chinese CQST, or Brazilian (Inmetro) Explosion protected EExi (ATEX, GOST 'R' & 'K', Chinese CQST, Brazilian (Inmetro) or CSA Explosion protected: Class I, Div. 2, Groups A-D, Class II, Div. 2, Groups F & G (PB only), Class I, Zone 2 Weatherproof & Dust-tight/UL ordinary locations.
Certification Intrinsically Safe Increased Safety ATEX Ex II 1GD, EExia IIC T4 ATEX Ex II 2GD, EExed(m) IIC T4(T6)
Voltage Up to 254V
Certified Temperature -40℃ to +70℃ (EExia) -20℃ to +50℃ (EExed)
Ingress Protection IP66 & 67
Terminals Up to 9
Switch Ratings 1 or 2 changeover switches fitted)
Cable Entries Up to 4 ×20mm or 16mm
Weight 1.2kg (varies with model & entries)
Material Corrosion-free GRP
Options: Body colour, LED, series & EOL resistors, diodes, earth continuity, tag & duty labels.