D9000 SR / Optical smoke detector • Conventional Optical smoke detector; • Certified: EN 54-7 ; • Supply voltage: (9-30) V / DC • Power consumption in Duty condition: ≤ 130 µА • Consumption in “Fire” condition: 20 mА/ 24V DC • Operating temperature range: minus 10°С ÷ plus 50°С; • Protected area: Circle with diameter 15m, h 11m