INSTALLATION AND MAINTENANCE Selectable Output Strobes, and Horn/Strobes use with the following models: – 12/24 volt: S1224MC, S1224MCW, S1224MCSP, S1224MCSPW, S1224MCP, S1224MCPW – 12/24 volt: P1224MC, P1224MCW, P1224MCSP, P1224MCSPW, P1224MCP, P1224MCPW – H12/24, H12/24W Horn/Strobes with Horn units will operate on walk tests with on-time durations of .25 sec. or greater. is listed at 15 candela per UL 1971 but will provide 75 candela on axis models S1224MC, S1224MCW, S1224MCSP, S1224MCSPW, S1224MCP, S1224MCPW, P1224MC, P1224MCW, P1224MCSP, P1224MCSPW, P1224MCP, and incorporate a patented voltage booster design that has a more consistent flash bulb voltage over the range of candela selections. The benefit to customer is a high quality strobe device. Description SpectrAlert series notification appliances are designed to Alarm System Considerations and Non-Temporal Coded Signals: Supply Considerations typically supply DC filtered voltage or FWR (full-wave device current found in the subsequent charts and must be