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DEHN

DEHNpipe Surge Protection Device

DEHNpipe Surge Protection Device

DEHNpipe surge protection devices (SPD), from DEHN, are designed for protecting critical assets from the effects of surge and lightning strikes. These surge arresters are ideal for gas processing facilities, industrial buildings, manufacturers, and more. They offer a range of approvals including IECEx, ATEX, FISCO, and CSA Hazloc, for protecting intrinsically safe measuring circuits and bus systems.
  • parallel or series connection
  • made of corrosion-resistant stainless steel
  • arrester for protecting a second interface (data or power side) available
  • available in models to protect intrinsically safe measuring circuits and bus systems Ex (i) and flameproof areas Ex (d)
Additional modules are available that are not listed on this page. The products featured are in-stock in Houston and ready to ship. Contact us directly for pricing and lead times on items not listed.
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Surge arresters to be screwed onto field devices

  • parallel or series connection
  • made of corrosion-resistant stainless steel
  • arrester for protecting a second interface (data or power side) available
Types for Ex (i) and Ex (d) applications
  • for protecting intrinsically safe measuring circuits and bus systems Ex (i)
  • type in a flameproof enclosure Ex (d)
Variety of approvals Approvals depending on the arrester: IECEx, ATEX, FISCO, CSA Hazloc

DEHNpipe Surge Arrester Protection DeviceDEHNpipe Surge Protection Devices

929921 / DPI ME 24 N A2G
Energy-coordinated two-stage arrester with gas discharge tube and diodes to earth. For unbalanced interfaces with 1/2-14 NPT thread (male/male). The earthing conductor is led through the surge arrester.
  • robust design
  • encapsulated protective circuit
  • types with single-ended cable connection available on request
  • for installation in conformity with the lightning protection zone concept at the boundaries from 0B - 2 and higher

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