Products

TC100A

Rare-gas-filled insulation spark gaps

TC100A

  • ATEX approved Ex-protection category. Lightning protective equipotential bonding in hazardous areas, e.g. insulating flanges at gas pipelines, at cathodic corrosion protection and protection of pressure transwithters.

Features

・Explosion protection for gas pipelines and pressure transmitters in explosive areas against lightning surges.
・Hermetically sealed, gas-filled gap type with high-quality ceramic interior
・Extremely low discharge voltage

Type

TC100A

Specification

Type TC100A
IEC category Class H
Nominal DC sparkover voltage at 100V/s UagN 100 ±20% V=
Nominal AC sparkover voltage (50 Hz) Uaw 70 ±20% V
Typ. Impulse sparkover voltage Uas 650 V
Max. Impulse sparkover voltage Uas 950 V
Lightning impulse current (10/350 μs) total Itotal 100 kA
Nominal impulse discharge current (10 x 8/20 μs) In 10x 100 kA
5x Nominal alternating discharge current at 50Hz, 1s, 3min pause Iwn 100/1 Aeff/s
Nominal alternating discharge current (50 Hz) 200 / 0,5 A/s
Spark-gap extinguishing conditions Vlö < 70 V / < 20 A
Insulation resistance at 10V, 100V >1 GΩ
Self-capacitance at 1 kHz 20 pF
Test category/climatic category DIN IEC 60068-1 / 40/90/21
Relative humidity 10%...95% rh
Operating temperature range TU -20°C ≤ T amb ≤ 80°C
Degree of protection (IEC EN 60529) IP 67

Purpose

Explosion protection for gas pipelines and pressure transmitters in explosive areas against lightning surges in compliance with the ATEX directive

Dimension drawing

TC100A

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