Siemens (Pyro) SL24XSPS-FW

The Siemens SL24XSPS-FW is a weatherproof speaker-strobe notification appliance built for outdoor and wet-location fire alarm applications. Rated NEMA 4X, this surface-mount device combines audible voice/tone messaging with a visual strobe signal marked "FIRE," making it suitable for parking structures, loading docks, and other exposed areas that still require code-compliant occupant notification.

Key Features

• Combination speaker and strobe in a single weatherproof housing
• Surface-mount only, using the SL24XBB surface box and SL23R mounting plate
• White faceplate with clear lens and "FIRE" text marking
• Compatible with Siemens fire alarm control panels, dual-sync control (DSC) modules, and PAD-3/-4/-5 power supplies

Technical Specifications

• NEMA 3R and 4X rated for indoor/outdoor and wet-location use
• Dual-voltage speaker taps: 25V or 70.7V RMS, field-selectable from 1/8W to 8W
• Audio frequency range: 400-4000Hz
• Strobe meets the 20-millisecond light-pulse-duration requirement of NFPA 72 (2016 edition)
• Wiring terminals accept #12-#18 AWG

Certifications

• Listed for use per NFPA 72 strobe timing requirements