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  • Series
    Flash Captor
  • Model
    Flash Captor 60
  • Brand / Made in
    AT / SPAIN
  • Advance time: 60 µs obtained according to UNE21186:2011 tests.
  • Current withstand test: 100kA (10/350µs wave).
  • No external power supply required.
  • Protection radius up to 120 meters according to NF C 17102 and UNE21186.
  • Stainless steel structure.
  • Salt mist treatment.
  • Humid sulphurous atmosphere treatment.
  • Electroatmospheric capacitor.
  • Testable in the factory and in field using an specific device.


Early streamer emission air terminal

FLASH CAPTOR is an Early Streamer Emission (ESE) air terminal based on the electrical characteristics of lightning formation. The air terminal triggers the continuous upward leader before any other object within its radius of protection. This feature is referred to in the regulations as the advance time of an ESE air terminal (ΔT). The earlier the upward leader is triggered, the larger is the distance where the downward leader is intercepted, thus protecting a greater area against lightning (standards limit it to ΔT≤60 μs).


  • Reference: AT-5360
  • Dimension: External diameter (central body): 60 mm x Length: 325 mm
  • Weight: 3000 g
  • Materials: AISI 316L stainless steel
  • Fixing: M20 male thread
  • Type of air terminal: Electropulsator (emits impulses)
  • Certified advance time (ΔT): 60 µs
  • Current withstand test: 100kA (10/350µs).
  • Standards: Complies with UNE 21186:2011; NF C 17-102:2011; NP 4426:2013


Protection radius (m)              
Height for protection radius 2 4 6 8 10 20 60
Protection radius (m) for Level I 31 63 79 79 79 80 80
Protection radius (m) for Level II 35 69 87 87 88 89 90
Protection radius (m) for Level III 39 78 97 98 99 102 105
Protection radius (m) for Level IV 43 85 107 108 109 113 120

Certified according to standards UNE 21186:2011/ NF C 17102:2011/ NP4426:2013, where the advance time is determined after passing, on the same sample, the following tests:

  • Salt mist treatment.
  • Humid sulphurous atmosphere treatment.
  • Current withstand test: 100kA (10/350µs).
  • Avance time (ΔT) test.


  • ESE air terminal protection radius depends on its height related to the surface to be protected, its advance time ∆T and the protection level.
  • The installation of FLASH CAPTOR air terminals should follow the standards NF C 17-102:2011, UNE 21186:2011 and NP 4426:2013.
  • The air terminal should be at least 2 meters higher than any object to be protected.

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