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Explosion-proof signal horn dHH

Explosion-proof signal horn dHH

Loud, explosion-proof electromechanical signal horn with a typical horn tone
Series dHH

Advantages :

  • Certified for use in gas and dust hazardous areas of zone 1, 2, 21, 22
  • Flame-proof enclosure "d"
  • Terminal connection chamber "increased safety e"
  • Housing made of glass-fibre-reinforced plastic
  • Degree of protection IP 66, max. 105 dB (A) in 1 m
  • Protection class II, no equipotential bonding required
  • robust design
  • Model with integrated telephone-call current relay available
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This product presents the following ATEX protection:

II 2 G Ex d e IIC T5, T6 Gb
II 2 D Ex tb IIIC T95 °C, T80 °C Db
-20 °C ≤ Ta ≤ +75 °C T5
-20 °C ≤ Ta ≤ +70 °C T6
Area 1, 2, 21, 22

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