SSM24-6

The Honeywell/System Sensor SSM24-6 is a 6-inch motor-driven fire alarm bell providing loud resonant tones for indoor/outdoor fire notification in commercial and industrial applications.
It features low current draw for extended NAC circuit operation and polarized design for supervision circuitry compatibility, mounting directly to standard 4" square electrical boxes.
Key Specifications
Feature
Details
Size
6" (152mm) diameter gong 
Voltage
24VDC nominal (19.2-26.4V operating range) ​
Current Draw
30mA average 
Sound Output
85dB @ 10ft (3m) 
Temperature Range
-31°F to +140°F (-35°C to +60°C) 
Mounting
Standard 4" square box (indoor); WBB weatherproof backbox (outdoor) 
Terminals
Pre-wired in/out leads, polarized for supervision 
Construction
Red powder-coated metal ​