HGS 100 RW 250V

Article number: 10 003
  • 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
Installation according to EN 50122-1:2011 for the protection of railway equipment Yes
Class according to EN 62561-3, IEC 62561-3 H (for heavy loads)
DC ignition voltage 200 ÷ 300 V
AC ignition voltage > 175 Vrms
Maximum discharge current (8/20) Imax 200 kA
Nominal discharge current (8/20) In 150 kA
Rated impulse sparkover voltage Ur imp < 1 000 V
Impulse discharge current (10/350) Iimp 150 kA
Charge Q 75 As
Specific energy W/R 5 625 kJ/Ω
Short-circuit withstanding current / 100 msec (AC mode) ≤ 8 kArms
Short-circuit withstanding current / 30 msec (DC mode) ≤ 20 kArms
Behaviour after subtantial overloading Internal short circuit inside HGS body
Insulation resistance at 100 V DC Ri > 1 GΩ
Capacitance at 1 MHz C < 35 pF
Housing material Stainless steel
Degree of protection IP66
Operating temperature ϑ - 40 ÷ 90 °C
Climatic category according to IEC 60068-1:2013 40/90/21
Operating position Vertical
Installation On the flange
Lifetime > 100 000 h
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