The Edwards 439DEX-6AW explosion-proof bell represents a critical audible notification device engineered for high-risk environments where standard fire alarm components could potentially trigger hazardous conditions. Designed for industrial, petrochemical, and manufacturing facilities with potentially combustible atmospheres, this robust notification appliance provides reliable sound signaling in Class I, Division 1 and Class II, Division 1 hazardous locations.
Constructed with a rugged gray housing and featuring a precision-engineered 6-inch gong mechanism, the 439DEX-6AW delivers exceptional acoustic performance while maintaining strict safety standards for explosive environments. Its diode-polarized electrical configuration ensures consistent and controlled signal transmission, making it an essential component for comprehensive fire alarm and emergency notification systems in challenging industrial settings.
Key Features
- UL Listed and FM Approved for use in Class I, Division 1 Group C/D and Class II, Division 1 Group E/F/G hazardous locations
- Robust explosion-proof design prevents internal electrical arcing from igniting surrounding atmospheres
- Diode-polarized circuit provides reliable and predictable signal activation
- Heavy-duty gray aluminum alloy construction resists corrosion and environmental degradation
- Compatible with standard 20-24VDC fire alarm control panel circuits
- 6-inch gong produces high-decibel audible notification across expansive industrial environments
Specifications
- Voltage: 20-24 VDC
- Mounting: Wall or ceiling mount
- Color: Gray
- Gong Diameter: 6 inches
- Certification: NFPA 72 compliant, UL 464 listed
Typical installation environments include petrochemical refineries, chemical processing plants, grain handling facilities, paint manufacturing locations, and other industrial sites with potentially explosive atmospheric conditions. The 439DEX-6AW integrates seamlessly with addressable and conventional fire alarm control panels, providing critical emergency notification in high-risk areas where standard notification appliances would pose significant safety risks.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 7.7 lbs |
|---|---|
| Dimensions | 11.5 × 11.5 × 6.5 in |
| Condition | New |
| Manufacturers | Edwards |
| Part Type | Replacement Part |
