()
dHH
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
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
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
Especially suitable for
Technical data
| Housing | Ø 190 mm, glass-fibre-reinforced polyester |
| Type of mounting | horizontal, vertical or any, sound outlet preferably at front or bottom |
| Cable entry | 1x cable gland M20 x 1.5, 1x sealing plug M20 x 1.5 |
| Connection technology | 1.5 mm² fine wire and 2.5 mm² single wire |
| Tone | Steady tone |
| Volume | max. 105 dB |
| Duty cycle | 100 % |
| Operating temperature | -20 °C / +75 °C (T5) -50 °C / +70 °C (T6) |
| Degree of protection | IP66 |
| Approval | PTB 01 ATEX 1133 |
| Insulation class | II |
| Weight | 5,5 kg |
