dHH Explosion-proof signal horn 24 V DC IP66 105 dB

This loud, explosion-proof electromechanical signal horn features a typical horn tone and is certified for use in gas and dust hazardous areas (zones 1, 2, 21, 22). It has a flame-proof enclosure, an increased safety terminal connection chamber, and a robust housing made of glass-fibre-reinforced plastic. With a maximum sound output of 105 dB (A) at 1 meter and a degree of protection rated at IP 66, it requires no equipotential bonding. A model with an integrated telephone-call current relay is also available.