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Secondary Ringer - Weatherproof
Weatherproof Telephone Secondary Bell


  • WeatherproofTelephone Secondary Bell  
  • Application: Indoors and Oudoors (IP66)  
  • Housing: seawater resistant aluminium, Cap made by polycarbonate  
  • Sounder volume: approx. 90 dB(A)  
  • Different signal tones  
  • No additional power supply
Secondary Ringer - Explosionproof
Explosionproof Telephone Secondary Bell


  • Explosion proof Telephone Secondary Bell with integrated telephone call relay for use in hazardous areas of zone 1 (Gas)  
  • Application: Indoors and Oudoors (IP66)  
  • II 2G Ex [ib] em IIC T6  
  • Housing: seawater resistant aluminium, Cap made by polycarbonate  
  • Sounder volume: approx. 90 dB(A)  
  • Different signal tones  
  • Telephone call relay integrated
Second Telephone Alarm and Signal Unit Twin EExII Typ 5842/1 GOST approval


  • Explosion proof Optical-Acoustical Telephone Signal Combination with integrated telephone call relay for use in hazardous areas of zone 1 (Gas) GOST approval 
  • Application: Indoors and Oudoors (IP66) 
  • II 2G Ex [ib] em IIC T6 
  • Housing: seawater resistant aluminium, Lens made by polycarbonate 
  • Sounder volume: approx. 90 dB(A) 
  • Different signal tones 
  • Telephone call relay integrated 
  • Flash light 230 VAC, power 0,9 joule 
  • Useable also as a signalling combination without a telephone