Explosion-block warning horn dHH

explosion-prooffor hazardous areasIP66

Audible signalling devices for the explosive area In the oil and gas industry and during the processing, transport or storage of flammable gases, liquids or dust, large quantities of explosive substances are released. In those cases where signaling via light is not necessary or appropriate for the situation, many companies resort to horns and sounders for explosive areas. These devices must be adapted to the extreme conditions in order to warn by sound signal in the potentially explosive area. dHH Explosion-proof signal horn: - Loud, explosion-proof electromechanical signal horn with a typical horn tone - 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 This product has the following explosion 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 Zone 1, 2, 21, 22