Lifesafety Power FPO150-B100C8D8PE4M/T8-C 150W Intelligent Power Supply
Overview
The Lifesafety Power FPO150-B100C8D8PE4M/T8-C is a 150W intelligent power supply purpose-built for access control integration—specifically managing electric locks, door strikes, and auxiliary security loads in commercial facilities. This unit delivers 12A at 12VDC or 6A at 24VDC, with eight independently configurable relay outputs for lock control and eight auxiliary DC outputs for secondary loads. The model includes failsafe and failsecure logic on each relay, meaning you can assign different fail modes to different locks on the same panel—critical in mixed-security deployments where some areas must unlock on power loss while others must stay locked.
Key Features
- Dual Voltage Output (12V / 24V switchable): Run either 12A at 12VDC or 6A at 24VDC depending on your lock hardware and wire gauge constraints. Higher voltage reduces current draw over long cable runs, minimizing voltage drop on distant electromagnetic locks—a practical consideration in warehouse or multi-building sites where wire runs exceed 100 feet.
- Eight Relay Lock Control Outputs: Each fused at 3A, each relay independently selectable for failsafe (unlocks on power loss) or failsecure (remains locked on power loss) logic. Deploy this when you're mixing entry points—e.g., emergency exits that must unlock during fire alarm versus secure storage areas that remain locked.
- Eight Auxiliary Class 2 DC Outputs: 2.5A per output, assignable to Bus1 or Bus2. Handles ancillary loads like solenoid valves, magnetic door holders, or secondary sensor circuits without consuming relay capacity.
- Selectable Bus Logic: Distribute outputs across two independent bus lines, allowing different subsets of locks or devices to respond to separate control signals—useful in campus or multi-tenant environments where zones need isolated power supervision.
- Fused Relay Outputs: Each relay fused independently at 3A protects against short-circuit conditions on individual lock circuits, preventing a single failed lock solenoid from taking down the entire relay bank.
- Compact Form Factor: Designed for DIN-rail or panel mounting in utility cabinets alongside your access control hardware, reducing interconnect complexity on small footprint installations.
Integration & Deployment Context
The FPO150-B100C8D8PE4M/T8-C integrates with access control panels that support dry relay or 12/24V auxiliary outputs. Pair it with any third-party access controller—the relay outputs accept standard dry-contact signals, and the switchable 12V/24V design accommodates lock hardware from multiple manufacturers. The failsafe/failsecure per-relay configuration is especially valuable in mixed-security zones where code compliance or operational policy requires different fail modes at adjacent doors. For instance, a loading dock strike might need to unlock on fire alarm (failsafe), while a server room door must remain locked regardless (failsecure)—this unit handles both from a single power supply, eliminating the need for separate power modules per fail mode.
When to Choose a Different Model
If your deployment requires battery backup (UPS for sustained power loss), look for a higher-capacity Lifesafety Power model in the same family that integrates battery supervision and charging. If you need more than 16 total outputs (relays plus auxiliary combined), consider a larger-capacity model or a second FPO150 in parallel. If your locks are addressable IP-based devices rather than legacy electromagnetic hardware, you may not need this supply at all—validate lock hardware type before ordering.
Frequently Asked Questions
Q: Can I run 12V locks on the 24V output, or vice versa?
A: No. The FPO150-B100C8D8PE4M/T8-C is switchable between 12VDC and 24VDC at configuration time, but not both simultaneously. Choose the output voltage to match your lock hardware specifications. Running a 12V lock on 24V output will damage the solenoid coil.
Q: What's the maximum wire gauge I can use on the relay outputs?
A: Each relay output is fused at 3A. Use the voltage drop formula and wire tables to size accordingly—typically 18 AWG for runs under 100 feet at 12V, 20 AWG for 24V runs up to 150 feet. The supply itself does not limit gauge; your NEC installation code and voltage drop budget do.
Q: Can I mix failsafe and failsecure relays on the same supply?
A: Yes. Each of the eight relay outputs is independently selectable for failsafe or failsecure mode. You can configure relays 1–4 as failsafe (emergency exit unlocking) and relays 5–8 as failsecure (high-security zones locked) on the same unit.
Q: Is there battery backup included?
A: No. The FPO150-B100C8D8PE4M/T8-C is a stand-alone power supply without integrated battery charging or backup. If you need sustained power during an outage, integrate an external UPS or specify a Lifesafety Power model with built-in battery supervision.
Q: How do I know which relay outputs to assign to failsafe versus failsecure?
A: Review your site's security and life-safety policy. Emergency exits and evacuation routes typically require failsafe (unlock on power loss). Secure storage, server rooms, and high-value asset areas typically require failsecure (remain locked on power loss). Consult your building authority having jurisdiction (AHJ) and your security integrator during design.
The FPO150-B100C8D8PE4M/T8-C addresses a real pain point in access control design: managing mixed fail-mode requirements on a single power bus. Most integrators end up deploying two separate power supplies—one failsafe, one failsecure—when a single FPO150 with per-relay mode selection can do the job. At 150W with switchable 12V/24V output, this unit handles both tight warehouse installs (where 24V reduces wire gauge over long runs) and legacy building retrofits (where 12V locks already dominate).
Technical Highlights:
- Eight independently fused relay outputs at 3A each: Total relay capacity is 24A (8 × 3A) before individual fuses blow—meaningful for deployments with a dozen or more electromagnetic locks. Each relay is selectable for failsafe or failsecure, eliminating the need for dual supplies.
- Auxiliary DC outputs on separate bus logic: The eight 2.5A auxiliary outputs assignable to Bus1 or Bus2 let you isolate secondary loads (door holders, magnetic sensors) from primary lock relay traffic, reducing transient noise on the lock control circuit.
- Switchable 12V/24V output voltage: Flexibility to accommodate lock hardware from different manufacturers—24V is cleaner for long runs in campus or warehouse sites; 12V preferred in tight utility closets or legacy systems. Choose at config time, not at install time.
Deployment Considerations:
- No battery backup integrated: This is a raw power supply, not a UPS. If your security policy requires sustained lock control during mains failure, you must provision an external battery and charger—don't assume the FPO150 covers that.
- Failsafe vs. failsecure assignment is policy-driven, not automatic: Your integrator and site AHJ must determine which locks unlock (emergency egress) versus which stay locked (secure zones) on power loss. This is a business logic decision, not a technical one—get it wrong and you either fail a fire code audit or compromise physical security.
- Relay fuse ratings are per-output, not shared: A short on lock #3 (3A fuse) won't take down relays #1, #2, #4–#8. This isolation is critical in distributed access systems where a damaged solenoid coil in one zone can't black out your entire facility's locks.
Size the FPO150-B100C8D8PE4M/T8-C into warehouse perimeter control, multi-zone office access, or mixed-security campus deployments where you're already managing separate fail modes anyway. If your entire site is failsecure (locks stay locked always) or entirely failsafe (all doors unlock on alarm), you don't need per-relay selectability—a cheaper power supply will do. If you're mixing requirements, this unit saves a second supply and reduces panel clutter.
