The Edwards (3-CAB21DR) Red Door is a precision-engineered replacement component designed specifically for the CAB21B series wallbox, providing critical aesthetic and functional integration for commercial fire alarm and notification systems. Engineered to meet rigorous fire safety standards, this replacement door ensures seamless installation and maintains the professional appearance of Edwards’ modular cabinet designs.
Ideal for retrofit and maintenance applications in commercial, institutional, and industrial environments, the red door offers a durable solution for protecting internal fire alarm circuitry while providing clear visual identification. Compatible with Edwards’ EST3 addressable fire alarm platforms, this component supports comprehensive life safety infrastructure in complex building management systems.
Key Features
- Precision-manufactured cold-rolled steel construction with durable red powder coat finish
- Direct replacement for CAB21B series wallbox door assemblies
- Fully compatible with Edwards EST3 fire alarm control panel configurations
- UL Listed and meets NFPA 72 fire alarm system mounting requirements
- Designed for consistent performance in commercial and institutional building environments
- Engineered for quick, tool-efficient installation with existing mounting hardware
Specifications
- Material: Cold-rolled steel
- Finish: Red powder coat
- Compatibility: CAB21B wallbox series
- Mounting: Standard Edwards panel mounting configuration
Typical installation environments include commercial office complexes, educational facilities, healthcare campuses, hospitality venues, and mission-critical infrastructure where reliable fire alarm system aesthetics and functionality are paramount. Professional fire alarm technicians and facility managers will appreciate the precise engineering and seamless integration this replacement door provides.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 20 lbs |
|---|---|
| Dimensions | 56 × 31.5 × 20 in |
| Condition | New |
| Manufacturers | Edwards |
| Part Type | Replacement Part |







