System Sensor’s SSM and SSV series alarm bells are low current, high decibel noti cation appliances for use in re and burglary systems or other signaling applications.

• Approved for indoor and outdoor use
• Low current draw
• High dB output
• Available in six-inch, eight-inch, and ten-inch sizes • AC and DC models

• DC models polarized for use with supervision circuitry
• Mount directly to standard four-inch square electrical box indoors • SSM and SSV series come pre-wired