EX ISG N spark gap

Item no. 5240089 | EAN 4012196849574

5240089 / EX ISG N
100 kA
Product description

Product description

Spark gap for potentially explosive areas, Zone 1/21 and 2/22, for indirect bridging of insulating flanges and insulating threaded joints, e.g. in cathodically corrosion-protected (CCP) systems. For indirect connection of operationally separated system sections during lightning impact. Use according to lightning protection equipotential bonding in accordance with DIN EN 62305/VDE 0185. Suitable for installation in interior and exterior areas and in wet rooms. Particularly low rated contact surge voltage.


• Spark gap to VDE 0185-561-3 (IEC 62561-3)
• Ex certificate to ATEX
• Labelling to EN IEC 60079-0 / EN 60079-1: II 2G Ex db IIC T6 Gb
• Labelling to EN IEC 60079-0 / IEC 60079/31: II 2 D Ex td IIIC T80 °C Db IP67
• Ex certificate to IECEx
• Labelling to IEC 60079-0 / -1: Ex db IIC T6 Gb
• Labelling to IEC 60079-0 / -31: Ex tb IIIC T80 °C Db IP67


  • ATEX certificate for explosive areas
  • 5-year warranty
  • Lightning current-tested
  • Communautés Européennes, EC declaration of conformity according to EC directives
Technical data

Technical data

Colour Black
Connection Rd 10 mm
Dimension 215x47x35
Dimension 215x47x35
Lightning current carrying capacity N/50 kA
Lightning impulse current 50 kA
Material of the connection Stainless steel, rustproof
Nominal discharge surge current 100 kA
Permitted temperature range, max. 80 °C
Permitted temperature range, min. -20 °C
Power frequency spark-over voltage 0,64 kV
Protection rating IP65/67
Rated DC withstand voltage 425 V
Rated impulse sparkover voltage 1,5 kV
Rated power frequency withstand voltage 300 V
All types

All types

Types Nominal discharge surge current Item no. Quantity SSU
EX ISG N 100 kA 5240089
1 piece
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EX ISG N / 5240089
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