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
TECHNICAL DATA
Marking:
II 2G Ex d e IIB + H2 T6 Gb
II 2D Ex tb IIIC T85ºC Db
Certificate: EU-Type Examination Certificate
Operating temperature: -50 °C to +60 °C
Operating conditions: Indoor / Outdoor
Housing: Copper-free, seawater-resistant aluminium
Cap: Polyamid (black)
Ingress protection: IP66 according to IEC 60529
Weight: 2.8 kg
Volume: Max. approx. 115 dB(A), can be lowered in 3 steps of 10 dB
Signal tones: 32 per signalling stage
Alarm tone selection: Via DIP switch
Current consumption: 93-460 mA (depending on voltage)
Power consumption: Max. 14 W
Operating position: Vertical, cable gland facing downwards
Operating mode: Continuous operation
Connection terminals: 1,5 mm² / 2,5 mm² terminals
Cable entries: 1xM20x1.5 (cable 5.5 to 13 mm)
