The Wheelock STH-15SR Supervised Horn Strobe represents a critical audio-visual notification component designed for comprehensive fire alarm system integration in commercial and institutional environments. Engineered to provide reliable emergency signaling, this device combines a powerful audible horn with a high-visibility strobe, ensuring maximum alertness during fire events across complex facility layouts.
Specifically crafted for addressable fire alarm panels and conventional notification circuits, the STH-15SR delivers robust performance in demanding settings like office complexes, educational institutions, healthcare facilities, and industrial spaces. Its supervised design enables continuous monitoring and immediate fault detection, maintaining critical communication pathways during emergency scenarios.
Key Features
- 15-watt supervised horn with selectable candela ratings for flexible mounting configurations
- Compatible with 25V and 70V notification appliance circuits (NAC)
- Adjustable mounting bracket supporting precise installation requirements
- Red color housing with weatherized exterior construction
- UL 464 and UL 1638 listed for comprehensive safety compliance
- NFPA 72 National Fire Alarm and Signaling Code conformant
Specifications
- Operating Voltage: 25V/70V
- Power Consumption: 15 watts
- Sound Output: Selectable decibel levels
- Color: Red
- Mounting: Surface or wall-mount with included adjustable bracket
Professional fire alarm technicians will appreciate the STH-15SR’s reliability in mission-critical notification applications, where clear, immediate communication can save lives and minimize potential property damage during emergency events.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 4.5 lbs |
|---|---|
| Dimensions | 11 × 11 × 11 in |
| Condition | New |
| Manufacturers | Wheelock |
| Part Type | Strobe |







