Simplex 4100-5451 NAC Card (NEW)
Simplex 4100-5451 Notification Appliance Circuit (NAC) Card – Expandable Power for Fire Alarm Signaling
The Simplex 4100-5451 NAC Card is a high-performance notification appliance circuit expansion module designed for use with Simplex 4100ES and 4100U fire alarm control panels. This module provides four additional Class A or Class B NAC outputs, allowing flexible connection of horns, strobes, and other audible/visual devices in large-scale life safety systems.
With power-limited outputs rated at 3.0 amps each and built-in short circuit isolation, the 4100-5451 ensures reliable notification during fire and emergency events. Its addressable design allows for seamless system integration and precise control of signaling circuits.
Key Features:
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Adds four Class A or B NACs to Simplex 4100 series panels
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Each NAC supports up to 3.0 amps (power-limited)
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Compatible with 4100ES and 4100U fire alarm systems
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Built-in short circuit protection and supervision
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Designed for UL 864 compliance and dependable performance
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Ideal for expanding notification coverage in complex installations