Kidde 439D-10AW 10 inch Fire Alarm Bell, Gray, 24V DC, 0.85 A

Provide reliable, high-audibility notification for commercial fire and security installations with the Kidde Commercial 439D-10AW 10-inch fire alarm bell. Engineered for demanding environments, this audible alarm delivers a powerful 95 dB signal from its 10" steel gong to ensure alarms are heard over ambient noise — a critical benefit for warehouses, manufacturing floors, schools, and multi-tenant buildings. Designed for 24V DC systems with a modest 0.85 A draw, the 439D-10AW integrates easily with existing fire panels and monitoring equipment while minimizing power load on the system. The heavy-duty cast housing and weatherproof surface-mount form factor provide durable outdoor performance and reduced lifecycle maintenance. Ideal for security and surveillance installations that require dependable audible notification, this Kidde fire bell supports fast retrofit or new installs and improves occupant safety and response times. Add the 439D-10AW to your fire detection, monitoring, or security deployment to deliver clear, consistent alerts when it matters most.

• Deliver unmistakable, high-audibility alerts (95 dB) so staff and occupants hear alarms clearly even in noisy, high-traffic areas
• Low power draw at 24V DC (0.85 A) minimizes load on fire panels and simplifies integration with existing monitoring and security systems
• Rugged steel, weatherproof construction designed for outdoor use ensures long-term reliability and reduces maintenance downtime
• 10-inch gong and vibrating mechanism produce a sustained, resonant tone that improves occupant response during emergencies
• Surface-mount design with standard single-gang mounting plate enables fast retrofit installation and straightforward servicing