The Simplex 566-151 Replacement CPU Board is a mission-critical component designed specifically for the Simplex 4005 fire alarm control panel, serving as the central processing unit for comprehensive fire detection and notification systems in complex commercial environments. Engineered for seamless integration with addressable fire alarm networks, this board provides the computational backbone for managing multiple detection zones, monitoring input/output modules, and coordinating emergency response protocols across large-scale facilities.
Professional fire alarm technicians recognize the 566-151 as a precision-engineered replacement for legacy 565-707 CPU boards, enabling system modernization and maintaining operational continuity in critical infrastructure settings such as hospitals, educational campuses, high-rise office complexes, and industrial manufacturing facilities. Its robust design ensures reliable performance in demanding environmental conditions while supporting comprehensive fire detection and alarm management strategies.
As a direct replacement for original Simplex equipment, the 566-151 CPU board maintains full compatibility with existing 4005 panel architectures, facilitating straightforward installation and minimizing system downtime during critical upgrade processes.
Key Features
- Direct replacement for Simplex 565-707 CPU board with 100% panel compatibility
- Supports full addressable circuit management for complex fire alarm networks
- Compliant with NFPA 72 National Fire Alarm and Signaling Code requirements
- Engineered for reliable performance in commercial and industrial fire detection systems
- Maintains existing system programming and configuration parameters
- UL Listed for critical life safety applications
Technical Specifications
- Manufacturer: Simplex
- Part Number: 566-151
- Designed For: Simplex 4005 Fire Alarm Control Panels
- Certification: UL Listed
- Compatibility: Full backward compatibility with existing 4005 system configurations
Professional installation requires adherence to manufacturer guidelines, local building codes, and NFPA 72 standards. Proper configuration and commissioning by certified fire alarm technicians are essential to ensure optimal system performance and regulatory compliance.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 3 lbs |
|---|---|
| Dimensions | 5 × 5 × 5 in |
| Condition | New |
| Part Type | CPU Board |
| Manufacturers | Simplex |
| Compatible Panels | Simplex 4005 |
| Cross Reference | 565-707 |
| Specification | Replacement CPU for Simplex 4005, replaces 565-707, main processing board |















