The Notifier SBB-D4 is a four tier black cabinet backbox designed to house fire alarm control equipment in large commercial life safety systems. Part of the Notifier CAB-4 Series, it provides four equipment tiers for chassis, power supplies, control modules, voice evacuation components, and other system electronics.
Constructed from heavy duty steel with a black finish, the SBB-D4 provides a durable enclosure for complex fire alarm system configurations. Its four tier layout offers substantial internal space for larger installations requiring multiple chassis and system components.
Product Functions
- Houses commercial fire alarm control equipment
- Provides four equipment tiers
- Supports multiple chassis installations
- Protects internal fire alarm electronics
- Provides conduit entry points for field wiring
- Supports large system configurations
- Provides organized equipment installation
- Supports wall mounted fire alarm cabinets
Electrical & System Information
The SBB-D4 is a passive cabinet backbox and contains no active electrical or electronic components. It provides the mechanical enclosure and mounting space required for installed fire alarm electronics, power supplies, chassis, batteries, and related equipment.
Notifier identifies the SBB-D4 as a four tier black backbox assembly weighing approximately 40 pounds. The CAB-4 cabinet system uses separate doors, chassis, dress panels, trim rings, and other accessories to complete the required fire alarm cabinet configuration.
The SBB-D4 is used in larger ONYX Series configurations. Notifier documentation shows the enclosure supporting NFS2-3030 installations with multiple signaling line circuits, voice evacuation equipment, power supplies, and firefighter telephone equipment.
Features
The SBB-D4 features four tier cabinet construction, black finish, heavy duty steel enclosure, multiple conduit entry locations, four chassis capacity, large equipment mounting area, commercial grade durability, organized internal component support, and dependable protection for commercial fire alarm control equipment.
Protection & Applications
Suitable for:
- Commercial Fire Alarm Systems
- Large Fire Alarm Control Systems
- Voice Evacuation Systems
- Emergency Communication Systems
- High Rise Buildings
- Hospitals
- Healthcare Facilities
- Schools and Universities
- Government Buildings
- Industrial Facilities
- Fire Command Centers
- Commercial Equipment Rooms



