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
THE DIFFERENT AVAILABLE VERSIONS ARE DETAILED IN THE DATA SHEET
