








The SD125-1 Ex sounder is a high-performance alarm engineered for use in explosive atmospheres.
The SD125-1 Ex sounder is a high-performance alarm engineered for use in explosive atmospheres.
Its robust stainless steel construction and ATEX certification ensure durability and safety in demanding industrial environments. With 59 selectable tones and customizable features, it provides versatile and effective audible warnings.
Key Features:
ATEX Certified: Meets rigorous safety standards for use in hazardous areas.
Durable Construction: Stainless steel housing and bracket for corrosion resistance.
Versatile Sound Output: Choose from 59 prerecorded tones and select up to 3 externally.
Customization: Optional telephone line control for remote activation.
Reliability: Designed for continuous operation in harsh conditions.
Applications:
The SD125-1 Ex sounder is ideal for a wide range of industries, including:
Oil & gas
Chemical
Petrochemical
Pharmaceutical
Marine
Offshore
Technical Specifications:
Operating Temperature: -50°C to +70°C
Humidity: Up to 95% RH
Material: Stainless steel
IP Rating: IP66/67
Enclosure Color: Red, Blue, Black, customizable
Tone Selection: 59 prerecorded tones
Sound Level Output: Up to 115 dB
Power Supply: 12-48V DC or 100-240V AC
Power Consumption: 5-20W (Adjustable)
Certification: Nemko 13 ATEX 1562X, IECEx NEM 13.0032X -CE0470
ATEX/IECEx certified, SIL2 compliant flameproof sounder
Up to 115dB noise level at 1 metre
Up to 59 pre-recorded tones, with 3 selectable via user control system
316L stainless steel construction for corrosive and hazardous environments
Adjustable power consumption from 5W to 25W (factory set to 20W)
External switch pause control for the alarm signal
Certified ATEX Zone 1 & 2 (gas) and Zone 21 & 22 (dust)
| Noise Level | Up to 115 dB @ 1m |
|---|---|
| Tone Options | 59 pre-recorded, 3 selectable |
| Power Consumption | 5-25W (factory: 20W) |
| Construction | 316L Stainless Steel |
| Hazardous Rating | Zone 1 & 2 (gas), Zone 21 & 22 (dust) |
Full technical and certification data as published by Ex-Tech Signalling Solutions.
Extech-SD-125-datasheet-1.pdfPDF