Ex environment


Order number: A04128

connecting cables, stainless steel enclosure

  • heavy duty encapsulated isolating spark gap for use in Hazardous (Ex) Areas II2G Ex mb IIC T6 Gb and II2D Ex tb IIIC T80 °C Db
  • for indirect connection (earthing) of isolated conductive parts under lightning conditions
  • for safe installation in Ex zone 1 (gas) or 21 (dust)
  • low DC withstand voltage

Technical parameters

Parameter name Parameter value
Classification class H - heavy duty
Isolation resistance 100.00 MOhm
Lightning impulse current Iimp 100.00 kA
Rated impulse sparkover voltage Uimp 0.90 kV
Rated power frequency withstand voltage UWAC 0.035 kV
Rated DC withstand voltage UWDC 0.050 kV
Degree of protection IP 67
Range of ambient temperatures (min/max) -40 / 50 °C
According to standard EN 62561-3, EN 60079-0, EN 60079-18, EN 60079-31
Explosion-tested version II 2G Ex mb IIC T6 Gb, II 2D Ex tb IIIC T80°C Db
ETIM Class EC000510
Customs tariff number 85363090
EAN 8595090541288

Files for download

  • Product dimensions

  • Basic circuit diagram