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A rare-gas-filled spark gap for the lightning protection equipotential bonding, the insulation of electrically separated parts and the bridging of insulating flanges of gas pipelines. For internal or similar applications.
  • With remote signalling contact (FM)
  • High-perfomance short circuit switch
  • High-perfomance short circuit switch
  • High-quality industrial ceramics
  • Rare-gas filled, hermetically sealed
  • Free from radioactive substances
  • High lightning current discharge capacity of 100 kA (10/350 µs) (class H)
  • High reliability, robust
  • Stable performance, long service life
  • Fail-safe characteristic
  • Test standard DIN EN 62561-3:2018-02
IEC category Class H
Nominal DC sparkover voltage at 100 V/sUagN 500 ±15% V=
Nominal AC sparkover voltage (50 Hz)Uaw 350 ±15% V
Typical impulse sparkover voltageUas 950 V
Max. impulse sparkover voltageUas 1300 V
Lightning impulse current (10/350 µs) totalItotal 100 kA
Nominal impulse discharge current (10 x 8/20 µs)In 100 kA
5x Nominal alternating discharge current at 50 Hz, 1 s, 3 min pauseIwn 100 / 1 A/s
Nominal alternating discharge current (50 Hz) 200 / 0,5 A/s
Spark-gap extinguishing conditionsVex <230V / <100A
Additional Information
Insulation resistance at 10 V, 100 V >1 GΩ
Short-circuit current ratingISCCR 7,2 kA r.m.s./300 ms kA
Self-capacitance at 1 kHz 4 pF
Test category/climatic category DIN IEC 60068-1 / 40/90/21
Relative humidity 10%...95% rh
Degree of protection (IEC EN 60529) IP 20
Operating temperature rangeTU -40 - +80 °C
Terminals M8 bolt/nut (NIROSTA stainless steel)
3x lightning impulse current (10/350 µs), long-duration current (CENELEC/BTTF 62-2)Iimp 75kA / 38 As/ 1,45 MJ/Ω + 150A/0,5s/75As
20x lightning impulse current (10/45 µs) half-wave (DIN 48810) 60kA/10As/0,1MJ/Ω

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