The Edwards 439D-8AW 8-inch vibrating fire alarm bell represents a critical audible notification device designed for comprehensive fire alarm and emergency signaling systems in commercial and industrial environments. This robust bell provides high-decibel acoustic signaling to alert occupants during fire events, integrating seamlessly with addressable fire alarm control panels and conventional notification circuits.
Engineered for reliable performance in complex building environments, the 439D-8AW delivers consistent electromagnetic vibration with a diode-based circuit that ensures precise signal transmission. Its gray housing offers durability and aesthetic neutrality, making it suitable for installation across diverse architectural settings including office complexes, manufacturing facilities, healthcare campuses, and educational institutions.
Key Features
- 8-inch (200mm) vibrating bell design with optimized acoustic performance
- 24VDC diode-polarized circuit for stable, interference-resistant operation
- UL 464 listed for professional fire alarm notification appliances
- Corrosion-resistant gray powder-coated metal construction
- Compatible with Edwards and most major fire alarm control panel systems
- Low current draw with high sound output performance
Specifications
- Voltage: 24VDC nominal
- Sound Output: 84-88 dBA at 10 feet
- Mounting: Surface or wall-mounted configurations
- Operating Temperature Range: 32°F to 150°F (0°C to 66°C)
- Dimensions: 8″ diameter, 3.5″ depth
- Weight: Approximately 4.5 lbs
Compliant with NFPA 72 National Fire Alarm and Signaling Code requirements, the Edwards 439D-8AW provides fire alarm professionals a reliable, standards-conforming notification solution. Ideal for integration with conventional and addressable fire alarm systems, HVAC shutdown circuits, and emergency communication networks across commercial, industrial, and institutional applications.
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 | 8 × 8.5 × 3.5 in |
| Condition | New |
| Manufacturers | Edwards |
| Part Type | Replacement Part |







