Weather-resistant bell SSM series

System Sensor® SSM Series alarm bells are low-current, high-decibel notification appliances for use in fire and burglary systems or other signaling applications. They come pre-wired to reduce installation time, and also incorporate a polarized electrical design for use with supervision circuitry. With reliable performance, SSM Series alarm bells provide loud, resonant tones. They operate on 24 VDC and are motor driven. Features & Benefits: Approved for indoor or outdoor use Low current draw High dB output Three sizes available: 6 inch (15.24 cm), 8 inch (20.32 cm), and 10 inch (25.40 cm) diameter AC and DC models 24V DC models; polarized for use with supervision circuitry Bells mount directly to standard 4 inch (10.16 cm) square electrical box Come pre-wired Certifications: UL Listed: S4011 ULC Listed: CS549 FM Approved CSFM: 7135-1653:125