FHF Atex Sounders
DEV20 – Atex Sounder for Zones 1, 2, 21 & 22
- Explosion proof sounder dEV 20 for use in hazardous areas of zone 1(gas) and zone 21(dust)
- Application: indoors and outdoors (IP66)
- II 2G Ex de IIC T6 Gb
- II 2D Ex tb lllC T 85°C Db
- Housing: seawater resistant aluminium
- Volume: approx. 110 dB(A)
- 32 signal tones, 2 stage alarm
- Temperature range: -55°C to +60°C
- Dimensions in mm: W 110 / H 243 / D 110
Hazardous areas often require the use of acoustical signals for warning or information purposes.T
| Part.-No. | |
| FHF21591007 | Ex-Sounder dEV20 85-265VAC |
| FHF21591013 | Ex-Sounder dEV20 24VDC |
| FHF22990101 | Junction box with backplate for dSLB20(LED), dEV20, Expertline |
The ExII-sounder dEV20 offers both of these signalling features. The device is designed for continuous operation. If the supply voltage is turned on,the sounder is activated.
TheExII-sounder dEV20 is made to protection category IP66 and may be used indoors or outdoors
DEV21 – Explosion Proof Sounder for Zones 1 & 2
- Explosion proof Sounder with approx. 119 dB(A)
- Application: Atex Zone 1 + 2, IP66
- II 2 G Ex dem IIC T6
- Housing: Glasfibre reinforced polyester (GRP)
- Housing colour: black or red
- 31 different signalling tones
- 4 tones externally selectable
- AC and DC versions available
- Integrated installation box, no junction box required