SIMPLEX (4100-1245) Flex 50 Nac Expansion, 3 Cls B

The Simplex 4100-1245 Flex 50 NAC Expansion module represents a critical component for complex fire alarm notification appliance circuit (NAC) configurations in commercial and institutional building systems. Engineered for seamless integration with Simplex addressable fire control panels, this expansion module provides advanced circuit management capabilities for professional installers seeking robust notification solutions.

Designed specifically for Class B notification circuits, the 4100-1245 enables precise electrical management of multiple alarm devices across extensive fire detection networks. Its flexible architecture supports sophisticated signaling requirements in high-occupancy environments such as office complexes, educational facilities, healthcare campuses, and industrial installations where comprehensive emergency communication is paramount.

Key Features

• Supports up to 50 NAC circuit devices with full NFPA 72 compliance
• Compatible with Simplex 4100 series addressable fire alarm control panels
• Independent circuit supervision with short-circuit and ground fault detection
• Wide operating voltage range: 24VDC nominal system voltage
• Plug-and-play module design for simplified installation and system integration
• UL 864 listed for critical life safety applications

Specifications

• Voltage Range: 16-32 VDC
• Maximum Circuit Load: 3 Amps per NAC
• Operating Temperature: 32°F to 120°F (0°C to 49°C)
• Dimensions: 8.5″ x 6.25″ x 1.25″ (standard panel mounting)

Professional fire alarm technicians will appreciate the module’s robust design, which meets stringent industry standards including NFPA 72, UL 268, and UL 464. Its advanced circuit management capabilities ensure reliable performance in critical notification scenarios across diverse commercial fire alarm system architectures.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com