The Autronica BBR-4 is a conventional fire alarm bell designed to provide an audible warning during a fire alarm condition. It uses a solenoid-operated ringing mechanism and operates from a 24 V DC supply. Autronica currently lists the BBR-4 as an obsolete product.

Features

• Provides a clear audible fire alarm indication.
• 24 V DC operation.
• Electromagnetic/solenoid-operated ringing mechanism.
• 15 cm bell suitable for conventional fire alarm applications.
• Produces approximately 81 dBA at 1 metre.
• Can be installed outdoors when used with the specified 7790-001 conduit box.
• Suitable for marine and industrial fire alarm installations.
• Legacy/obsolete Autronica product, with replacement selection requiring compatibility checks.

Typical Applications

• Marine fire alarm systems
• Shipboard fire detection systems
• Industrial fire alarm installations
• Commercial buildings
• Fire alarm notification circuits
• Engine rooms and machinery spaces
• Outdoor fire alarm installations with appropriate enclosure
• General audible fire warning systems