These vibrating type bells are designed for use as fire, burglar or general signaling devices. They have low power consumption and high decibel ratings. The unit mounts on a standard 4" (101mm) square electrical box for indoor use or on a model BBK-1 weatherproof backbox or BBX-1 deep weatherproof backbox for outdoor applications. Weatherproof backbox model BBK-1, Stock No. 1500001.
Features:
- Listed for indoor and outdoor use
- Outdoor use requires BBK-1 or HC-BB weatherproof
back box
- Indoor use mounts directly to standard 4” box
- Low current draw
High dB output
- AC and DC models
- DC models are motor driven, polarized, and have built in
transient protection for supervised alarm circuits
- Available in 6” and 10” sizes