Siemens aspirating smoke detectors (ASD) provide very early fire detection to protect critical infrastructure in demanding application areas. Dual wavelength technology helps businesses maintain continuity by avoiding false alarms and detecting electrolyte gas particles early.

Siemens ASDs offer the largest coverage area on the market, with a single unit monitoring an expansive space of up to 6,700 m². They come in a range of models to suit your needs:

• FDA221: Total branched pipe length per device: 120 m
• FDA222: Total branched pipe length per device: 200 m
• FDA241: Total branched pipe length per device: 120 m
• FDA242: Total branched pipe length per device: 400 m
• FDA261: Total branched pipe length per device: 800 m
• FDA262: Total branched pipe length per device: 1200 m

All devices conform to EN 54-17 and EN 54-20 and have VdS approval. Several have SL2 cybersecurity certification.