YAE-01 Fire Alarm Bell 1. Rated voltage: DC24V 2. Rated current: ... ) 4. Size: 6",8",10" YAE-01 Fire Alarm BellTechnical Parameter DC alarm bell YAE-01 Standard 150mm Rated voltage DC24V Rated ... wire for “-”, switch on the DC24V power. Applicable Range YAE-01 fire alarm bell can not be only widely used in ...