Federal Signal SST3-MV Hazardous Location Electronic Siren, Remotely Selectable, Multi-Tone, Multi-Voltage, UL

When clear, reliable audible warning is critical, the Federal Signal SST3-MV electronic siren delivers high-impact alerts for emergency notification, evacuation and facility monitoring. This remotely selectable siren produces three distinct tones (wail, yelp and horn) that can be activated via dry contacts from a control panel or security system, giving operations and security teams flexible response options without complicated rewiring. The SST3-MV accepts both 24 VDC and 120/240 VAC power, reducing installation complexity across mixed-voltage sites, and delivers up to 121 dB at 1 m for maximum coverage in industrial, campus, and hazardous locations. Encased in a NEMA 3R ASA housing that is impact- and UV-resistant, it stands up to outdoor exposure while remaining UL/cUL listed for dependable code-compliant performance. Ideal for integration with fire alarm, security and surveillance systems or standalone emergency notification setups, the SST3-MV balances rugged durability with straightforward deployment. Specify the Federal Signal SST3-MV to strengthen your audible alarm strategy—perfect for industrial facilities, schools, refineries and monitoring centers. Order now to upgrade your emergency alerting capability.

• Guaranteed audible coverage with up to 121 dB at 1 m to alert personnel across noisy industrial and commercial sites
• Remotely selectable multi-tone capability (wail, yelp, horn) for flexible emergency signaling and integration with monitoring systems
• Multi-voltage compatibility (24 VDC and 120/240 VAC) simplifies installation and reduces spare-parts stocking
• NEMA 3R, UV- and impact-resistant ASA housing for reliable indoor/outdoor performance in hazardous locations
• Omni-directional swivel mount speeds aiming and reduces installation time while maintaining UL/cUL compliance