HGS 100

Article number: 10 005
  • High power gas discharge tubes are intended for equipotential bonding between inactive parts, which are not conductively interconnected due to the operating conditions.
  • In case of origin of potential difference between those parts, the high power gas discharge tube ignites and conductively interconnects both insulated parts for a transient time.
  • High protection degree of the housing allows using indoors, outdoors and also in the underground.
  • They can be used, for example, between utility pipelines and external lightning protection systems, between pipelines and other inactive metal parts, or between insulated flanges used on pipelines.
  • High power gas discharge tubes are able to discharge the highest lightning impulse currents, which ranks them in the class H – for heavy loads.
Certified for explosive areas No
Class according to EN 62561-3, IEC 62561-3 H (for heavy loads)
DC ignition voltage 400 ÷ 750 V
Nominal discharge current (8/20) In 100 kA
Rated AC withstand voltage of mains frequency UW AC 285 V
Rated DC withstand voltage UW DC 350 V
Rated impulse sparkover voltage Ur imp < 1 400 V
Impulse discharge current (10/350) Iimp 100 kA
Charge Q 50 As
Specific energy W/R 2 500 kJ/Ω
Insulation resistance at 100 V DC Ri > 1 GΩ
Capacitance at 1 MHz C < 25 pF
Housing material Aluminium
Casing Polyurethane resin
Degree of protection IP66
Operating temperature ϑ - 40 ÷ 70 °C
Operating position Any
Installation By cable, On the flange
Lifetime > 100 000 h
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