The KIDDE COMMERCIAL 439DEX-6AW-R is a 6-inch hazardous-location vibrating fire alarm bell with a red epoxy finish. Therefore, it provides loud, sustained alarm output where ordinary bells are not safe to install.
Specifically, this 439DEX-series bell is rated for Class I, Divisions 1 and 2, Groups B, C, and D. In addition, it is rated for Class II, Divisions 1 and 2, Groups E, F, and G, and for Class III hazardous locations. As a result, it suits refineries, gasoline storage and dispensing areas, flammable liquid rooms, and paint spray booths.
Furthermore, the bell also suits aircraft refueling areas, grain elevators, flour mills, coal mines, and other combustible-dust environments. Mounting requires only two 3/8-inch fasteners on any solid surface.
Key Features of the KIDDE COMMERCIAL 439DEX-6AW-R Bell
- 6-inch (152 mm) gong delivers 89 dB at 1 m (83 dB at 10 ft)
- 20-24 VDC operation with 0.240 A RMS current draw
- Diode-polarized for use on electrically supervised signaling circuits
- Adjustment-free self-compensating plunger for maintenance-free operation
- Corrosion-resistant red epoxy finish
- Pre-assembled and supplied with wire leads plus a sealing fitting for 3/4-inch conduit
- UL 1203 Listed; UL Listed for Class I/II/III hazardous locations; CSFM Listed
How a Vibrating Bell Sounds
First, applying current energizes the bell coil. Then, the striker rapidly raps the gong as long as power is present. As a result, the bell produces a long, continuous ringing tone that cuts through ambient industrial noise.
Specifications
- Catalog number: 439DEX-6AW-R
- Operating voltage: 20-24 VDC
- RMS current: 0.240 A
- Sound output: 89 dB at 1 m / 83 dB at 10 ft
- Gong diameter: 6 in (152 mm)
- Mounting bracket holes: 3/16 in (5 mm)
- Mounting fasteners: two 3/8 in (10 mm) diameter max, with washers (not supplied)
- Finish: red epoxy (corrosion resistant)
- Conduit: 3/4 in (19 mm) sealing fitting included
- Listings: UL 1203; UL Class I Div 1/2 Groups B/C/D; UL Class II Div 1/2 Groups E/F/G; Class III; CSFM
Companion Sizes
Specifically, the 439DEX family also includes 8-inch (439DEX-8AW-R) and 10-inch (439DEX-10AW-R) variants. Therefore, larger gongs deliver 92 dB and 95 dB respectively at 1 m for higher-noise environments.
Order or Get Application Help
Life Safety Consultants stocks the 439DEX hazardous-location bell family. To order the KIDDE COMMERCIAL 439DEX-6AW-R or to verify the right gong size for your area classification, call 1-888-557-0558. Alternatively, email sales@lifesafetycom.com.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 7.8 lbs |
|---|---|
| Dimensions | 11.6 × 11.8 × 6.8 in |
| Condition | New |
| Manufacturers | Kidde |
| Part Type | Battery |
