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

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.

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