Kidde 439DEX Explosionproof Fire Alarm Bell 83dB Indoor Safety
R 16,194.00
Sale price
R 16,194.00
Regular price
R 17,820.00
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Kidde 439DEX Explosionproof Fire Alarm Bell 83dB Indoor Safety
R 16,194.00
Sale price
R 16,194.00
Regular price
R 17,820.00
Shipping calculated at checkout
The Kidde 439DEX Series 6-inch explosionproof fire alarm vibrating bell provides reliable notification in hazardous indoor environments. This polarized bell installs directly onto walls or ceilings within fire alarm signaling circuits to deliver clear, audible alerts that protect life and property in industrial settings.
Designed to satisfy strict life safety compliance, this unit meets requirements for installation in hazardous locations in accordance with NFPA 72 governing fire alarm and signaling systems. Its robust explosionproof housing ensures safe operation where specific combustible gases, vapors, or dust concentrations may be present.
Key Features & Construction
- Explosionproof Design: Safely engineered for Class 1 Division 1-2 (Groups B, C, D) and Class 2 Division 1-2 (Groups E, F, G) hazardous areas, plus Class 3 environments.
- High-Decibel Output: Emits a loud 83dB sound level measured at 10 feet for effective emergency notification.
- Robust Construction: Durable metal housing supports secure wall or ceiling mounting for versatile installation demands.
- Reliable Voltage Range: Operates on 20-24VDC to maintain consistent performance in safety-critical applications.
- Polarized Circuitry: Includes polarized electrical configuration for dependable fire alarm panel supervision.
Technical Specifications & Compliance Table
| Manufacturer / Brand | Kidde |
| Model / Series Number / SIN | 439DEX Series |
| Connection / Thread Size & Type | N/A |
| Pressure Rating (WWP / Max Working Pressure) | N/A |
| K-Factor | N/A |
| Temperature Rating / Response Type | N/A |
| Material / Body Construction | Explosionproof metal housing |
| Agency Listings & Approvals | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 72 |
Always verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets prior to system layout and installation.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
| Manufacturer / Brand | Kidde |
| Model / Series Number / SIN | 439DEX Series |
| Connection / Thread Size & Type | N/A |
| Pressure Rating (WWP / Max Working Pressure) | N/A |
| K-Factor | N/A |
| Temperature Rating / Response Type | N/A |
| Material / Body Construction | Explosionproof metal housing |
| Agency Listings & Approvals, UL Listed, FM Approved | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 72 |
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