The Federal Signal eSiren (Model E-ISM) is a high-decibel, cost-effective audible warning device engineered for reliable performance in demanding environments. This self-contained electronic siren is designed to operate as a powerful stand-alone signaling solution for applications where voice paging is not required. Featuring a robust, weather-resistant enclosure, the eSiren provides a versatile and durable solution for emergency and industrial signaling.
Key Features & Benefits
- High-Output Audible Signaling: Capable of producing powerful siren tones, with a sound output ranging from 114 to 125 dBa at 1 meter, ensuring alerts are heard over significant distances.
- Durable, All-Weather Construction: Housed in a Type 4X, IP66-rated enclosure molded from glass-reinforced polycarbonate plastic. This design makes the unit resistant to corrosion, UV light, and harsh weather, making it ideal for both indoor and outdoor installation.
- Versatile Power Input: Features a multi-voltage design, accepting both 120VAC and 240VAC power sources for flexible integration into various electrical systems.
- Iconic Siren Tones: Replicates the recognizable tones of the traditional Federal Signal Model A and Model L mechanical sirens, providing a familiar and effective warning signal.
- Flexible Mounting Options: Can be easily installed using either a U-bracket or an internal surface mount, providing adaptability for different installation scenarios.
- Compliance and Approvals: UL and cUL listed and Marine Rated, confirming adherence to stringent safety and performance standards.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Type | Electronic Siren / Audible Alarm |
| Sound Output | 114 – 125 dBa @ 1m (104 – 115 dBa @ 10 ft) |
| Siren Tones | Replicates Federal Signal Model A and Model L |
| Enclosure Rating | Type 4X, IP66 |
| Material | Glass-reinforced Polycarbonate Plastic |
| Input Voltage | 120 – 240 VAC |
| Mounting | U-Bracket or Internal Surface Mount |
| Certifications | UL Listed, cUL Listed, Marine Rated |
| Typical Applications | Emergency warning, start/dismissal, general alarm, evacuation |
Typical Applications
The Federal Signal eSiren is ideal for a wide range of applications requiring a reliable and loud audible alert, including:
- Emergency Warning: Fire alarms, evacuation signals, and mass notification systems.
- Industrial Signaling: Plant start/dismissal signals, process alarms, and general area warning.
- Outdoor Installations: Perimeter warning, campus alerts, and marine environments

























