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Ex-proof sounder SD125 in stainless steel


Sounder SD125

Sounder in stainless steel for zone 1, 21

  • ATEX and IECEx certified for zone 1, 2, 21, 22
  • IP 66/67
  • Up to 115dB
  • 59 sounds available (customizable)
  • Standards: EN (IEC) 600790 / EN (IEC) 600791 / EN 54
  • GRP version also available
Datasheet : sounder SD125-1 for zone 1

Serie SD125 is a product certified zone 1, 21 for the Hazardous areas. It is dedicated for the Oil & Gas, chemical, petrochemical, pharmaceutical, marine and all Offshore applications industries. It was developed for corrosive environments and explosive areas. It is possible to select 1 tone from the 59 pre-recorded, including the main usual alarm tones. Standard possibility of controlling by external commands (dry contacts) 3 sounds previously selected from the 59 proposed and the pause of the sound signal. Upon request, specific customer tones can be pre-recorded at the factory. The assembly is molded and machined in AISI 316L stainless steel covered with a paint resistant to UV. Optionally it is possible to integrate the activation of the siren by a telephone line. A full range of accessories allows you to personalize the products.


Ambient temperature: -50 ° C to + 70 ° C
Humidity: up to 95% RH
Material: Body and fixing in stainless steel AISI 316L
Degree of protection: IP66 / 67
Body color: Red, Blue, black others on request.
Tone selection: 59 selectable tones
Sound output level: up to 115dB
Supply voltage: 12-48V DC / AC or 100-240V AC
Power consumption: 5-20W
Operating intensity (adjustable): between 250mA and 1500mA
Certificate: Nemko 13 ATEX 1562X, IECEx NEM 13.0032X -CE0470
Marking: Ex d IIC T4 ~ T6 Gb, Ex tb IIIC T135 ° C ~ T85 ° C, Ex II GD
Cable entry: 2x standard M20 – M25, 1/2 ″ NPT, 3/4 ″ NPT on specification
Zone: Gas 1 & 2, dust 21 & 22

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