Description The Simplex 4100-5451 is an IDNAC Addressable SLC Module designed for use with 4100ES and 4100U fire alarm control panels. It provides three 3A supervised notification appliance circuits (SLCs) that support TrueAlert ES and TrueAlert addressable devices, as well as 4009 IDNAC repeaters. Built for reliability, the 4100-5451 ensures consistent, power-limited notification delivery across complex fire alarm systems. Technical Specifications Condition New/Never Used Surplus Brand Simplex Category PLCs/Machine Control Part Number 4100-5451 Subcategory PC Board PLC/Add-On Board Function IDNAC addressable SLC / NAC expansion card Compatible Systems Simplex 4100ES and 4100U Fire Alarm Panels NAC Capacity 3.0 A per circuit, 9.0 A total per card Number of Circuits 3 addressable IDNAC SLCs Supported Devices TrueAlert ES, TrueAlert appliances, 4009 IDNAC repeaters Wiring Modes Class A or Class B Supervision Current 124 mA Alarm Current 230 mA Output Type Power-limited, supervised Protection Built-in short circuit isolation Compliance UL 864 certified Mounting Type Two block spaces in ES Power Supply Status Active / Legacy depending on system Weight 0.93 lbs Information About 4100-5451 The 4100-5451 is a modular IDNAC card that expands notification capacity within Simplex fire alarm systems. Occupying two block spaces in the panel’s ES Power Supply, the module delivers three fully supervised IDNAC SLC outputs rated at 3.0 A each, with a total capacity of 9.0 A per card. Its compatibility with both TrueAlert ES and legacy TrueAlert appliances ensures backward integration and flexibility for retrofit or new installations. The card also supports remote 4009 IDNAC Repeaters, extending wiring distances and providing localized power for devices in large facilities. With integrated short circuit isolation, supervision, and UL 864 compliance, the 4100-5451 delivers dependable performance for mission-critical life safety environments. Key Features: Three 3A SLC Outputs: Provides three individually supervised IDNAC circuits. Total Card Capacity: Supports up to 9.0 A output per installed card. Appliance Compatibility: Works with TrueAlert ES and legacy TrueAlert notification appliances. 4009 IDNAC Repeater Support: Extends wiring distance and power distribution. Dual Operation Modes: Supports both Class A and Class B wiring. Compact Installation: Requires two block spaces in ES Power Supply bays. Integrated Supervision: Continuously monitors circuit status and device operation. Power-Limited Outputs: Ensures safety and compliance with UL standards. Short Circuit Isolation: Protects system integrity under fault conditions. The 4100-5451 delivers the reliability and precision required for large-scale fire alarm notification systems.
