The Notifier DR-A4B is a blank A-size door for a Notifier CAB-4 series cabinet. Specifically, it is the solid (no window) one-tier door in black. The door ships with a lock, two keys, and the mounting hardware needed for the SBB-A4 backbox.
Notifier DR-A4B fit and intended cabinet
First, the door covers a one-chassis A-size CAB-4 cabinet. Then, the installer can hinge it from the right or the left in the field. As a result, the cabinet build adapts to whichever wall side the panel sits against.
In addition, the door opens a full 180°. Therefore, technicians get unobstructed access for service and maintenance.
Key specifications
- Manufacturer: NOTIFIER (Honeywell)
- Product type: CAB-4 series locking door, solid (no window)
- Size: A-size, one tier (one chassis)
- Color: Black
- Material: 16-gauge steel
- Hinge: Pin-type, right or left-hand selectable in the field; opens 180°
- Hardware: Lock, two keys, and door-to-backbox mounting hardware included
- Mating backbox: SBB-A4 (ordered separately)
- Weight: ~14.30 lbs
Compatibility notes
- Pair with an SBB-A4 backbox for a complete cabinet assembly.
- Solid door — no window; use DR-A4 if you need the window version.
- One-chassis A-size; use B, C, or D-size doors for larger CAB-4 builds.
Order the Notifier DR-A4B from Life Safety Consultants
In addition to the DR-A4B, Life Safety Consultants stocks the SBB-A4 backbox and matching CAB-4 dress plates. As a result, you can complete a full CAB-4 build from one supplier. Furthermore, our team can confirm color and tier count against your panel order before shipment.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 14.55 lbs |
|---|---|
| Dimensions | 28 × 24.5 × 2.5 in |
| Condition | New |
| Manufacturers | Notifier |
| Part Type | Replacement Part |







