Nippon Dry-Chemical NHE-Oki 4452-OKB Conventional Opto-Electric Smoke Detector With 2324-OKB Base Frame The Nippon Dry-Chemical NHE-Oki 4452-OKB is a low profile conventional opto-electric smoke detector. Nippon Dry-Chemical NHE-Oki 4452-OKB by means of a special protective mesh it is ensured that smoke can enter the detector easily whilst accessibility to insects and airborne contaminants is eliminated. The Nippon Dry-Chemical NHE-Oki 4452-OKB rated voltage/current DC24V / 100mA. Quiescent current is 40uA and operation voltage range: DC12-30V. Operation temperature range: -25degC to +70degC
