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Explosion-Proof Sounder dEV20 for use in zone 1 + 2, 21 + 22
Brand: Funke + Huster Fernsig GmbHPotentially explosive areas often require the use of acoustical signals for warning, indicating or signaling purposes. The dEV20 Sounder is designed for exactly those occasions.
The dEV20 is activated by turning on the supply voltage. It is designed for continuous operation and available with different operating voltages.
The dEV20 Sounder consists of a pressure-resistant housing made of seawater-resistant aluminum conforming with ingress protection IP 66. Its sound conductor is made of impact-resistant plastics. The sounder is suitable for indoor and outdoor applications in zones 1, 2, 21 and 22. The terminal compartment is realized according to protection type “increased safety”.
The two signaling stages can be set using a DIP switch. A selection of 32 signal tones is available for both stages.
Default settings for signal tones: S0=tone 24, S1= tone 4
A signaling combination can be established using the provided stainless steel mounting plate with integrated junction box.
Features- Volume: up to approx. 115 dB(A)
- 32 tone variants, 2-stage alarm
- Adjustable volume (3 steps à 10 dB)
- Aluminum housing, Polyamide cap
- Protection type: II 2 G Ex d e IIB + H2 T6 Gb II 2 D Ex tb IIIC T85ºC Db
- Ingress protection IP 66
- Terminal compartment “increased safety”
Specifications
Protection type
- II 2 G Ex d e IIB + H2 T6 Gb
- II 2 D Ex tb IIIC T85ºC Db
EC type examination certificate
- PTB 12 ATEX 1014
Housing
- Copper-free, seawater-resistant aluminium
Cap
- Polyamid (black)
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
Ingress protection
- IP 66 according to IEC 60529
Protection class
- I
Cable glands
- M20 x 1.5 (cable 5.5 to 13 mm)
Connection terminals
- Terminal capacity: 2.5 mm² single-wire 1.5 mm² fine-wire
Operating conditions
- Indoors and outdoors
Operating position
- Vertical, cable gland facing downwards
Operating mode
- Continuous operation
Temperature range
- -50 °C to +60 °C
Dimensions
- ~ Ø 144 x 345 mm
Weight
- 2.8 kg