CBL24-6 2 way alarm bell 1. Rated voltage: DC12/24V 2. Rated ... : 6",8",10" CBL24-6 2 way alarm bell Technical Parameters DC alarm bell CBL 24-6 Standard 150mmated voltage DC24V ... . Switch on DC24V power. Applicable Range CBL24-6 fire alarm bell can not be only widely used in various fire ... alarm systems, but also used in buildings construction, residentials, ...