Lifesafety Power FPO75-B100C4D8PNLCE2M/T4-A 75W power supply 6A

{ "product_name": "Lifesafety Power FPO75-B100C4D8PNLCE2M/T4-A 75W Power Supply 12VDC/24VDC", "seo_page_title": "Lifesafety Power FPO75 75W Access Control Power Supply 4 Relay + 8 Auxiliary", "meta_description": "75W modular power supply for access control — 12VDC 6A or 24VDC 3A, 4 relay outputs, 8 auxiliary channels, independent failsafe/failsecure logic per door. Commercial-grade, in stock.", "product_description": "

Lifesafety Power FPO75-B100C4D8PNLCE2M/T4-A 75W Modular Access Control Power Supply

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The FPO75-B100C4D8PNLCE2M/T4-A is a 75W regulated power supply purpose-built for distributed access control installations. It centralizes power distribution and relay switching for door locks, electric strikes, and control signaling without requiring separate relay modules or additional panel real estate. This modular design is particularly useful in security racks or cabinet-mount scenarios where each controlled door needs independent failsafe/failsecure logic and supervised current monitoring.

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Choose between 12VDC at 6 amps or 24VDC at 3 amps output based on your lock and strike coil specifications. The dual-voltage design eliminates the need for separate supplies in mixed-voltage deployments — configure output voltage once during installation and scale horizontally by adding additional units if you exceed four doors.

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Key Features

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• Four Relay Outputs (24VDC, 3A each, individually fused): Each relay is independently switchable between failsafe and failsecure logic — critical when different doors enforce different locking rules. For example, secure doors may require failsafe (power loss = lock remains secure), while emergency exits may require failsecure (power loss = unlock). Individual fusing means a shorted coil on one door lock won't cascade failure across your remaining three controlled points.
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• Eight Auxiliary Outputs (Class 2, 2.5A per output): Beyond relay switching, these auxiliary circuits handle feedback signals, zone supervision, buzzer/indicator logic, or integration bus switching. Each output is selectable for Bus1 or Bus2 routing — allowing you to segment control by building zone or panel without adding external hardware.
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• Per-Channel Failsafe/Failsecure Supervision: No external relay module required. Configure each of the four relay channels for failsafe (unlock on power loss) or failsecure (lock on power loss) at the panel. This eliminates costly external supervision relays and reduces wiring complexity in cabinet layouts.
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• Dual-Bus Architecture: The Bus1/Bus2 auxiliary routing supports mixed-zone scenarios — north-end door feedback on Bus1, south-end on Bus2 — without requiring separate supplies or cross-panel wiring. Simplifies multi-zone installations where door groups need independent supervision paths.
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• Modular Form Factor: Mounts in standard security cabinets and racks. Compact footprint preserves enclosure space compared to separate power supplies plus external relay modules.
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• Input Voltage Compatibility: Operates on standard AC mains (110–240V nominal). Verify your site AC supply before ordering to confirm mains availability; no DC battery input is integrated into this unit.
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Integration & Deployment Context

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Deploy the FPO75-B100C4D8PNLCE2M/T4-A in access control cabinets where an access control power supply must serve 1–4 doors simultaneously. Wire door lock and strike coils directly to the relay terminals, ensuring coil current does not exceed 3A per relay. Connect field feedback sensors (door position, tamper, request-to-exit) to auxiliary outputs if your access control panel supports supervised signaling.

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This unit pairs well with dedicated access control panels that support external relay switching. If your panel includes integrated relay logic, verify relay output ratings match before supplementing with this supply.

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Current-Draw Planning: Each relay output is rated 3A; do not assign a lock or strike exceeding that spec. Auxiliary outputs carry 2.5A per circuit — adequate for signaling and light-duty solenoid feedback, but not for high-draw devices. Consult the door lock datasheet to confirm coil pull-in and hold current before wiring.

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Frequently Asked Questions

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Q: Can I use the FPO75-B100C4D8PNLCE2M/T4-A to power IP cameras or other auxiliary devices?

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A: The auxiliary outputs (Class 2, 2.5A per circuit) can supply low-power devices — certain PoE injectors, signaling circuits, or status LEDs — but are not rated for sustained full-load camera power draw. Use a dedicated IP camera power supply for cameras; the FPO75 is optimized for door control relay switching and supervisory signaling.

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Q: What happens if a door lock coil exceeds 3A and I wire it to a relay output?

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A: The individual relay fuse (3A) will trip, disabling that relay output and protecting the supply. Replace the fuse once the overload is cleared. Avoid over-specifying coil current; confirm lock/strike inrush and hold current in the manufacturer datasheet before assignment.

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Q: Can I set different failsafe/failsecure logic on each relay?

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A: Yes. Each of the four relay outputs is independently configurable for failsafe or failsecure. This allows mixed-mode deployments where secure interior doors lock on power loss while emergency exits unlock — all from a single supply.

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Q: Do I need battery backup for this supply?

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A: The FPO75-B100C4D8PNLCE2M/T4-A does not include integrated battery backup. Battery-backed power for life safety compliance (fire evacuation, emergency egress) requires a separate battery backup module or UPS. Consult your local fire/life-safety code for exit-door requirements.

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Q: What input AC voltage does this unit require?

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A: The supply is designed for standard AC mains input (110–240V nominal). Verify your site AC supply matches before commissioning. Extreme voltage variance or unstable mains may affect relay response time and supervision accuracy.

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Q: Can I parallel multiple FPO75 units for redundancy or higher current?

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A: The supply supports parallel wiring for current expansion (combining two units for 12A at 12VDC). However, verify the manufacturer connectivity rules in the full datasheet before wiring units in parallel; improper parallel configuration can degrade supervision fidelity.

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