Data sheet

Dev20

Hazardous areas often require the use of acoustical signals for warning or information purposes.

The ExII-sounder dEV20 offers both of these signalling features and is designed for continuous operation.

The ExII-sounder dEV20 has an ingress protection rating of IP66, meaning it is suitable for both indoor and outdoor installation.

The ExII-Sounder consists of a flame-proof housing manufactured from a light grade aluminium alloy and a sound channel made from impact-resistant polyester.

The sounder dEV20 includes two signal levels. The signal tone for the first level is adjusted with the slide switches 1-5 (S0) according to the signal choice list.

The signal tone for the second signal level is adjusted with the slide switches 6-10 (S1).

Delivery condition: S0 = Tone 24 , S1 = Tone 4

  • Sound pressure level: up to 115 dB(A)

  • 32 signal tones, 2-stage alarm

  • Volume adjustable (3 steps of 10 dB)

  • Aluminium housing, Polyamide

  • ATEX Approval

  • IP66

  • II 2 G Ex d eIIB + H2 T6 Gb

  • II 2 D Ex tb IIIC T85ºC Db

Certified temp:

T6: -50ºC to +60ºC

Housing:

Seawater resistant Aluminium, sound protection hood Polyamide (black)

Weight:

2.8 kg

IP rating:

IP66.

Cable entries:

M20 x 1.5 (cable 5.5 to 13 mm).

Signal selection:

By DIP switches.

Volume:

Max. 115 dB(A) reducible in 3 levels each by 10 dB.

Signal tone:

32 for each signal level.

32 for each signal level.

93 - 460mA (dep. on voltage variation).

Power consumption:

Max. 14 W.