Bell SSM24-6

System Sensor’s SSM and SSV series alarm bells are low current, high decibel notification appliances for use in fire 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

Reliable Performance. The SSM and SSV series provide loud resonant tones. The SSM series operates on 24VDC and are motor driven, while the SSV series operates on 120VAC utilizing a vibrating mechanism.

Simplified Installation. For indoor use, the SSM and SSV series mount to a standard four-inch square electrical box. For outdoor
applications, weatherproof back box, model number WBB, is used. The SSM and SSV series come pre-wired, to reduce installation time. The SSM series incorporates a polarized electrical design for use with supervision circuitry.

Architectural/Engineering Specifications
Model shall be a SSM or SSV Series alarm bell. Bells shall have underdome strikers and operating mechanisms. Gongs on said bells shall
be no smaller than nominal 6˝/8˝/10˝ (specify size) with an operating voltage of 24VDC or 120VAC (specify by part number). Bells shall be
suitable for surface or semi-flush mounting. Outdoor surface mounted installations shall be weatherproof (using optional WBB weatherproof
electrical box). Otherwise bells shall mount to a standard 4˝ square electrical box having a maximum projection of 2½˝. Bells shall be located
as shown on the drawings or as determined by the Authority Having Jurisdiction. Bells shall be listed for indoor/outdoor use by Underwriters
Laboratories and the California State Fire Marshal, and approved by Factory Mutual and MEA.

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