Designed to comply with EN54 standards Non-polar power input 2 wire or 4 wire optional Smoke Detector Power-off reset & Remoted LED indicator output ( 2 wire) Auto-reset or power-off reset optional (4 wire) Low power consumption, high precision and stability Durable Sensor Head; Excellent smoke access Easy Installation and maintenance Extended Warranty Characteristic Dual LEDs for 360-degree visibility Twist-off mounting for fast installation

Technical Data Model S23P-2 S23P-4 Operating Voltage DC9~35V Standby Current 55uA 12mA(NC), 500uA(NO) Alarm Current 22mA@DC12V, 40mA@DC24V 3mA(NC), 18mA(NO) Alarm Output Conventional alarm output & LED FLASH Relay output (N.O/ N.C) and LED flash Smoke Alarm Density 2.06%/ft Detecting Area 80 square meter (with the installation height of 6m-12m), and 60 square meter (with the installation height less than 6m) Installation Method Ceiling Mounted Operating Temperature -10°C ~ +55°C Operating Humidity ≦95%RH Dimensions 100mm(Dia)x48mm(H)