Description
The Simplex 4100-5450 Conventional NAC Module is a highly reliable life-safety circuit expansion component engineered to provide robust, non-addressable audible and visible notification support for modern fire command configurations. Functioning as a standard hardware addition for Simplex 4100ES series networks, this card mounts directly onto an available Power Distribution Interface slot or central power assembly. By provisioning three additional supervised notification fields tailored to control legacy and non-addressable notification loops, the Simplex 4100-5450 Conventional NAC Module represents an essential expansion option for industrial plants, multi-zone facilities, and large real estate campuses.
Technical Specifications Table
| Model Assignment | 4100-5450 (Conventional Notification Appliance Circuit Module) |
| Manufacturer Family | Intelligent Panel Interface Components by Simplex (Johnson Controls) |
| Country of Origin | Mexico |
| Module Hardware Type | Non-Addressable Hardwired Notification Expansion Card |
| Total Supervised Circuits | 3 Notification Appliance Circuits (NACs) / Auxiliary Outputs |
| Circuit Wiring Profiles | Individually selectable as Class A loop, Class B loop, or AUX continuous power |
| Special Application Load Power | 3.0 Amps maximum per individual circuit | 9.0 Amps maximum per card assembly |
| Regulated 24 VDC Load Power | 2.0 Amps maximum per individual circuit | 4.0 Amps maximum per card assembly |
| Nominal Channel Voltage | 24 VDC (Supplied from host 4100-5401 or 4100-5402 master power supplies) |
| Circuit Synchronization Logic | Built-in two-wire SmartSync pulse controls and 1 Hz strobe flash synchronization |
| Chassis Board Allocation | Occupies exactly 1 Block configuration space within the panel expansion bay |
| Visual Diagnostics Array | 1 Yellow board communication LED | 3 Yellow active circuit trouble LEDs |
| Terminal Block Capacity | Heavy-duty terminal block strips supporting wire sizes from 18 to 12 AWG |
| Operating Temperatures | 32°F to 120.2°F (0°C to 49°C) optimized for interior conditioned panel housings |
| Relative Humidity Limit | Up to 93% RH non-condensing moisture boundaries at maximum temperature variables |
| Agency List Compliance | UL 864 Listed, ULC Listed, FM Approved, CSFM Certified, OTCR NYC Accepted |
⚙️ Engineering & Architecture Resources
Review localized public notification boundaries, branch circuit restrictions, and layout guidelines managed under official NFPA 72 Fire Alarm Code Standards before finalizing your system calculations with the Simplex 4100-5450 Conventional NAC Module loop layout.
Standard SmartSync Output Controls & Proactive Circuit Supervisory Safeguards
The operational edge of integrating a premium Simplex 4100-5450 Conventional NAC Module into a system configuration lies in its exceptional line versatility. Every loop on the module is independent and can be selectively mapped for Class A loop returns, Class B branch lines, or continuous auxiliary power taps. When set for continuous auxiliary output duty, the lines support sounder bases, four-wire field smoke heads, or door holders safely without requiring an end-of-line relay block to maintain power-limited metrics. This versatility simplifies retrofits, allowing building managers to upgrade structural panel mainframes while reusing pre-existing non-addressable notification loops.
Furthermore, because the card includes native standard reverse-polarity synchronization patterns, it provides excellent two-wire device control. When connected to compatible non-addressable TrueAlert appliances, the module carries separate temporal audio tones and steady visual flash signals across a single pair of cables. The internal logic actively monitors the electrical states across all terminal block runs, instantly diagnosing line faults such as open circuits, short circuits, or dangerous ground fault interactions. If a failure manifests on the Simplex 4100-5450 Conventional NAC Module terminal array, an on-board matrix of yellow status LEDs illuminates immediately, alerting engineering crews down to the specific circuit section to speed up facility maintenance sweeps.
- Optimized Special Application Loads: Delivers a full 3.0 Amps per notification loop when coupled with an active master power supply assembly to safely drive large rows of parallel horn sounders.
- Unified 1 Hz Visual Flash Timing: Commands all connected xenon visual notification elements to flash in exact harmony, eliminating photo-sensitive distraction risks within shared fields of view.
- Efficient Single-Block Placement: The compact flat component layout clips into a single block space inside an expansion chassis bay, leaving maximum room for secondary peripheral add-on cards.
- Front-Facing Screw Terminal Strip: Designed with robust terminal rows that accept field cables up to 12 AWG, preventing wire pull-outs and loose loop conditions in high-vibration plants.
Frequently Asked Questions (FAQ)
Q1: What is the operational difference between the 4100-5450 card and the 4100-5451 module?
A: The 4100-5450 is a conventional non-addressable card that drives standard reverse-polarity devices. The 4100-5451 is an addressable IDNAC module designed exclusively to communicate with intelligent addressable TrueAlert ES appliances.
Q2: Does the Simplex 4100-5450 Conventional NAC Module require an independent auxiliary power input cable?
A: No. The card draws all operating power and signal tracking data directly from the host system panel motherboard via its backplane PDI connection bay.
Q3: Can these circuits be used to reset four-wire smoke detectors or run magnetic door holders?
A: Yes, absolutely. Each of the three loops can be programmed via software to function as a continuous auxiliary power tap rated for up to 2.0 Amps of continuous current draw.
Q4: What type of wiring configurations does this notification module support?
A: It natively accommodates Class B wiring (supporting branch T-taps with no end-of-line resistors required for addressable panel data checks) as well as secure loop-return Class A wiring layouts.
Q5: How many internal expansion spaces does this specific module occupy inside the panel box?
A: Thanks to its space-efficient design, the card occupies exactly one block space position inside a 4100ES master control panel bay or an expansion bay chassis.
Q6: How do on-board diagnostic indicators help speed up circuit line troubleshooting?
A: The card includes an on-board row of four troubleshooting LEDs, featuring one module communication pulse light and three dedicated loop fault lights to isolate field wiring breaks immediately.
Q7: What is the manufacturing country of origin for this fire system spare part?
A: This genuine life-safety module replacement card is manufactured under strict international quality and compliance guidelines in Mexico.



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