Description
The Simplex 4100-5401 ES-PS Card is a high-performance master controller power supply and charging module engineered to deliver stabilized, continuous electrical power to Simplex 4100ES addressable fire alarm control units. Operating on a universal alternating current grid input, this flat-design internal module provides clean conversion to regulated direct current while supervising system batteries. By serving as an active power foundation that seamlessly mounts optional addressable signaling line cards and conventional loops, the Simplex 4100-5401 ES-PS Card brings a highly durable and secure power infrastructure to commercial, industrial, and institutional facility safety loops.
Technical Specifications Table
| Model Assignment | 4100-5401 (ES-PS Master Power Supply Card & Charger) |
| Manufacturer Family | Intelligent Panel Base Modules by Simplex (Johnson Controls) |
| Country of Origin | Mexico |
| Input Power Range | 120 VAC to 240 VAC (+10% / -15% tolerance limits), 50/60 Hz universal input |
| Mains Input Current | 4.2 Amps maximum at 120 VAC | 2.375 Amps maximum at 220-240 VAC |
| Nominal Output Voltage | Regulated 24 VDC (Nominal 28 VDC on AC mains; 24 VDC during battery standby) |
| Total Current Output Capacity | 9.5 Amps continuous duty (Up to 12.7 Amps maximum when equipped with panel fan module) |
| Auxiliary Output Taps | 1 Dedicated 2 Amp maximum continuous programmable relay / power tap circuit |
| Battery Charger Capacity | Dual-rate, temperature-compensated; charges sealed lead-acid batteries from 6.2 Ah up to 110 Ah |
| On-Board Option Scaling | Equipped with 2 Power Distribution Interface (PDI) blocks for expansion cards |
| Earth Fault Detection | Built-in analog tracking threshold down to a 10k Ohms minimum resistance limit |
| Operating Temperature Limits | 32°F to 120°F (0°C to 49°C) certified strictly for indoor panel bay installations |
| Relative Humidity Limit | Up to 93% RH non-condensing moisture boundaries at 90°F (32°C) |
| Chassis Scale Dimensions | 14.00″ H x 10.00″ W x 6.00″ D | Average Weight: 8.00 lbs |
| Agency List Compliance | UL 864 Listed, ULC Listed, FM Approved, CSFM Certified, NYC MEA Accepted |
⚙️ Engineering & Architecture Resources
Verify system standby battery load parameters, current distribution limits, and PDI card loading limits according to local code requirements managed under official NFPA 72 Fire Alarm Code Standards for the Simplex 4100-5401 ES-PS Card infrastructure.
Stabilized Voltage Balancing & Real-Time Diagnostics Supervision
The structural advantage of upgrading master panels with the Simplex 4100-5401 ES-PS Card centers on its advanced switching power regulation. While traditional primary power circuits face heavy drop-offs during brownouts or when transitioning to backup lines, the specialized components of the Simplex 4100-5401 ES-PS Card utilize constant voltage balancing. It outputs a stabilized voltage stream to protect internal panel components and sensitive addressable sensors from dangerous inrush peaks. All primary control terminals are power-limited (excluding city lines and battery paths), meaning the supply loop can absorb line noise, voltage fluctuations, and transient interaction without risking component failure.
Furthermore, because the card includes native standard monitoring logic, the Simplex 4100-5401 ES-PS Card module reports continuous analog values to the 32-bit master processor, providing comprehensive real-time system tracking. Field technicians can log into the control console to inspect live data for battery voltage, overall system current, charger performance, and individual branch currents across optional notification loops. If an environmental anomaly or ground leak manifests down to 10k Ohms from either positive or negative fields, the card isolates the fault, logs a timestamped entry in the trouble history log, and alerts service engineering before a minor wiring ground compromises the facility’s life-safety network.
- Dual-Rate Temperature Compensation: Dynamically adjusts battery charging voltage based on local enclosure temperatures, preventing overcharging and extending battery life.
- PDI Block Slot Allocation: Flat mechanical design features pre-molded slots to host one 4″ x 10″ or two 4″ x 5″ expansion cards, such as IDNet 2 communication modules or conventional NAC expanders.
- Programmable Auxiliary Power: Features an integrated 2 Amp auxiliary tap configurable via software for supervised four-wire detector reset runs or automated door-holder drops.
- Selectable Low-Battery Cutout: Includes a technician-programmable switch to cut off battery draw during deep discharge events, saving expensive emergency backup battery cells from permanent damage.
Frequently Asked Questions (FAQ)
Q1: What is the primary functional difference between the 4100-5401 card and the 4100-5402 card?
A: The 4100-5401 includes an integrated 110 Ah battery charger module. The 4100-5402 is an identical power supply module but lacks the battery charger mechanism, serving primarily as an adjunct supply for booster bays.
Q2: How does the module react if the primary AC mains power fails or undergoes a brownout?
A: The card instantly switches system power distribution over to secondary battery backup lines without dropping data communications or causing a panel restart sequence.
Q3: What is the maximum battery charging capacity supported by this card?
A: The dual-rate internal charger handles sealed lead-acid battery cells up to 50 Ah inside the main cabinet, and up to 110 Ah when coupled with an external approved remote battery box.
Q4: Can this power supply board be expanded to increase its total current capacity?
A: Yes. In standard configurations without a fan, the card outputs up to 9.5 Amps. Adding the optional 4100-5131 panel fan module safely boosts total continuous DC output up to 12.7 Amps.
Q5: What field options can be mounted directly on top of the 4100-5401 module chassis?
A: Its PDI interface plate provides secure space to mount up to two standard sub-modules, including conventional NAC cards, IDNAC controllers, or city connection cards.
Q6: How long does it take for the dual-rate charger to restore depleted backup batteries?
A: In full compliance with strict UL 864 standards, the temperature-compensated charger will safely restore completely depleted emergency batteries to full capacity within 48 hours.
Q7: What is the primary manufacturing origin of this life-safety panel component?
A: This authentic life-safety power module card is manufactured under strict international regulatory guidelines in Mexico.



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