QA31 SERIES SINGLE STATION SMOKE DETECTOR. GENERAL FEATURES:. EN54 COMPLIANT EQUIPPED WITH 9 VDC BATTERY AND 220 VAC POWER PLUG ADVANCED PHOTOELECTRIC TECHNOLOGY FOR PRECISE DETECTION BUILT-IN MANUAL TEST BUTTON, BUZZER (90DB/MET.) AND FLASHING LED LOW-BATTERY WARNING (FLASHING LED INDICATES BATTERY REPLACEMENT) INDEPENDENT STAND-ALONE DEVICE – CAN BE INSTALLED WITHOUT ANY WIRING STANDARD DETECTOR (4 WIRE) WITH RELAY OUTPUT 0.8A- 30 VDC / 0.4A – 250 VAC .SERIES QA31 SERIES .DESCRIPTION PHOTOELECTRIC SMOKE DETECTOR .SUPPLY CURRENT 100 – 220 VAC AND/OR 9V BATTERY SUPPLY .DIMENSIONS (MM) () 105 MM X (H) 40 MM .
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