Air-Termination Rods and Isolated Systems

INGESCO Multi-Point Air Terminal

Multi-point Franklin air terminal operating on the point effect principle. Copper or AISI 316 stainless steel, 384 mm length, Ø20 mm, M20 connection. Used as a single air terminal or as a complement to a Faraday cage.

The multi-point air terminal is a passive air terminal that operates on the principle of the point effect.

The point effect is the phenomenon where electrical charges accumulate at the sharpest points around a conductor. As a storm develops, an electric field forms in the atmosphere between the cloud and the ground. Near the Franklin air terminal, natural ionization occurs due to energy transfer.

The product's multi-point structure offers more sharp points compared to a single-point Franklin rod.

It can be used as a standalone air terminal or as a complement to conductor mesh and Faraday cage systems. Conductors are connected to form a conductor mesh or Faraday cage.

Available in two materials: copper and AISI 316 stainless steel. Different sizes and materials can be produced upon request.

Installation is done by direct connection to a mast with an adapter head.

  • Operates on the point effect principle
  • Multi-point structure — more sharp points than a single-point Franklin rod
  • Material: copper or AISI 316 stainless steel
  • Length: 384 mm
  • Diameter: Ø20 mm
  • Connection thread: M20
  • Weight: 855 g (copper) / 795 g (stainless steel)
  • Simple structure — no moving or electronic parts
  • Low cost
  • Easy installation — connects directly to a mast with an adapter
  • Can be used with conductor mesh and Faraday cage
  • Different sizes and materials upon request
  • Application standard: IEC 62305-3

The multi-point air terminal is used in conventional (passive) lightning protection systems designed according to TS EN 62305-3.

Building types

  • Residential and business centers
  • Industrial facilities and factories
  • Warehouses and logistics facilities
  • Educational and healthcare facilities
  • Public buildings
  • Historical buildings and monuments

Role in the system

  • Single air terminal point on the roof
  • Faraday cage and conductor mesh complement
  • Air terminal point on ridge and gable lines
  • Protection of rooftop equipment
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