SATEL Autonomous Smoke Detector SDA-250

The SATEL SDA-250 is a high-quality autonomous smoke detector designed for reliable fire detection in residential and commercial environments. Featuring a photoelectric (optical) smoke chamber, it provides early warning of smoldering fires while minimizing false alarms. Powered by a standard 9V alkaline battery, it offers up to 12 months of typical operation and emits a loud alarm of >85 dB at 3 meters. Certified to EN 14604:2005/AC:2008, this detector ensures compliance with European safety standards.

Advantages

Photoelectric sensing technology for accurate smoke detection; long battery life of up to 12 months; loud alarm ensures audibility even in noisy environments; easy ceiling mount installation; test button for regular functionality checks; low battery and fault indicators for maintenance alerts.

Suitable for

• Residential homes and apartments
• Small offices and commercial spaces
• Hotel rooms and guest houses
• Corridors and stairwells

Key specifications

• Detection Principle: Photoelectric (Optical) Smoke Chamber
• Power Supply: 9V Alkaline Battery (6LR61)
• Battery Life: Up to 12 months (typical)
• Alarm Sound Level: >85 dB at 3 meters
• Operating Temperature: +4°C to +38°C
• Operating Humidity: 20% - 90% RH (non-condensing)
• Certification: EN 14604:2005/AC:2008
• Test Button: Yes
• Low Battery Indicator: Audible & Visual
• Fault Indicator: Visual LED
• Installation Type: Ceiling Mount
• Housing Material: ABS Plastic
• Color: White
• Standby Current: ~10 µA
• Alarm Current: ~20 mA
• Protection Degree: IP20

Recommendations

For optimal safety, install smoke detectors on every level of your home and inside each bedroom. Test monthly and replace batteries at least once a year or when the low battery signal sounds.