ATEX signal horn dHH series - 1 tone, for zone 1 and 21

The explosionproof dHH horns are particularly powerful and suited for continuousous usage. 

dHH1-230AC, dHH2-024DC
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General technical specifications

Housing glass-fibre reinforced polyester
Protection IP66
Color black RAL 9005
Sound intensity 105dB(A) at 1m
Switch-on time 100%
Terminal 1,5 mm²
Weight ± 3,5 kg
Cable entry 2 x M20 (1 gland, 1 plug, plastic)
Ambiant temperature -20°C - +70°C
Mounting wall or ceiling mounting with bracket
Guideline ATEX
Manufacturer Auer
Suited for
Zone 1 Zone 2
Zone 21 Zone 22

Classification

  • II 2 G Ex d e IIC T6 Gb
  • II 2 D Ex tb IIIC T80°C Db

Zone

0 1 2
20 21 22

Ordering data (click on the order reference for more details)

Order refer. Voltage Type
dHH1-230AC 230 V 50 Hz without telephone relay
dHH2-024DC 24 VDC without telephone relay

On request