439DEX-AW Hazardous Location Bells
✅ 430D series of hazardous location bells are diode-polarized, heavy duty fire bells for use in life safety applications where a diode supervised signal is required ⭐
✅ Hazardous location bells are available with 6-inch (152 mm), 8-inch (203 mm) or 10 inch (254mm) gongs, for either 120 Vac or 24 Vdc operation. They can be mounted to any solid surface using two 3/8 inch (10 mm) bolts and the supplied mounting brackets or to a rigid conduit. The integral explosion-proof housing is mechanically terminated to accept a standard ¾-inch -14 National Pipe Taper (NPT) nipple.
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Standard Features
• Diode polarized
• 6", 8", and 10" gong sizes
• Low power drain for efficient operation over long wire runs
• Completely assembled
Application
430D series of hazardous location bells are UL-listed for installation in the following classified locations:
• Class I groups B, C and D
• Class II groups E, F and G
• Class III hazardous locations, for Div. 1 and 2
Mounting
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Specifications
| Model | 438DEX-xN5 | 439DEX-xAW |
| Rated Voltage | 120 Vac | 24 Vdc |
| Alarm Current | .041A (RMS) | 0.24A |
| Sound output | 83 dBA measured in an anechoic chamber on an “A” weighted decibel scale at 10 ft (3m | |
Ordering Information
| Catalog Number | Description | Ship Wt. lb. (kg.) |
| 439DEX-6AW-R | 6” (152 mm) Hazardous Location Bell – 24 Vdc | 8 (3.6) |
| 439DEX-8AW-R | 8” (203 mm) Hazardous Location Bell – 24 Vdc | 10 (4.5) |
| 439DEX-10AW-R | 10” (254 mm) Hazardous Location Bell – 24 Vdc | 12 (5.4) |
| 438DEX-6N5 | 6” (152 mm) Hazardous Location Bell – 120 Vac | 8 (3.6) |
| 438DEX-8N5 | 8” (203 mm) Hazardous Location Bell – 120 Vac | 10 (4.5) |
| 438DEX-10N5 | 10” (254 mm) Hazardous Location Bell – 120 Vac | 12 (5.4) |
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