They are equipped with a electronic circuit with 32 tones and increased sound power, selectable using a deep-switch.
The acoustic transducer has a impedence of 16 Ω and a frequency 2 KHz. The mounting bracket is made of Stainless Steel 316L.
The body of the horn has to be taken into consideration when placing it. It has to be floating, to make room for the cable gland.
II 2G Ex d IIC or IIB+H2 T3 or T4 Gb
II 2D Ex tb IIIC T150°C or T130ºC Db
Certificate: EU-Type Examination Certificate
Operating temperature: -50ºC to +60ºC
Body and cover: Low copper aluminium alloy. Epoxy coating RAL 7000
Speaker horn: Anodized aluminium
Gasket: Acid/hidrocarbon resistant silicone
Bolt and screws: Stainless Steel A2
Noise level: 113 dB
Acoustic frequency: 340/2000 Hz
Power consumption: 10 W
Frequency: 50/60 Hz
Driver impedance: 16 Ω
Operating mode: Continuous
Ingress protection: IP66
Cable entries: 1×3/4”NPT (cable gland not included)