Best Fire Alarm Interface Power Supplies

Looking for the best fire alarm interface power supplies? We’ve tested and reviewed the top 10 options to help you find the perfect match for your safety needs.

Fire alarm systems need reliable power supplies to work well. These devices keep your safety systems running smoothly. They are easy to use and install, making them a great choice for any setup.

We’ve tested and reviewed the best fire alarm interface power supplies for you. Our guide will help you find the perfect match for your needs, ensuring safety and peace of mind.

List of Top 10 Fire Alarm Interface Power Supplies

Image Title Best For Price
Altronix AL125UL Multi-Output Power Supply Charger with Fire Alarm Interface, Access Control Trigger Input, 12VDC or 24VDC Selectable Outputs, Two (2) Class 2 Rated Power Limited Outputs Altronix AL125UL Multi-Output Power Supply Charger with Fire Alarm Interface, Access Control Trigger Input, 12VDC or 24VDC Selectable Outputs, Two (2) Class 2 Rated Power Limited Outputs

The Altronix AL125UL is perfect for anyone needing a reliable power supply for access control systems or fire alarm interfaces. It’s ideal for businesses or buildings that require fail-safe protection and automatic battery backup during power outages.

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LifeSafety Power FPO75-E1 FlexPower Power Supply/Charger Module, Network Ready, 75W, Fire Alarm Interface, 6A/12V or 3A/24V, 120/230 VAC Input, 12/24 VDC Output, 0.69A Input Current, Wall-Mount LifeSafety Power FPO75-E1 FlexPower Power Supply/Charger Module, Network Ready, 75W, Fire Alarm Interface, 6A/12V or 3A/24V, 120/230 VAC Input, 12/24 VDC Output, 0.69A Input Current, Wall-Mount

The LifeSafety Power FPO75-E1 FlexPower Power Supply/Charger Module is perfect for anyone needing a reliable, flexible power solution. It’s ideal for fire alarm systems, access control, or security setups that require modular power management and fail-safe/fail-secure options.

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ALTRONIX AL400ULM 5 Output; FIRE'ACCESS Interface, Power SUPPLY'CHARGER, UL'CUL ALTRONIX AL400ULM 5 Output; FIRE’ACCESS Interface, Power SUPPLY’CHARGER, UL’CUL

This product is perfect for engineers, technicians, and facilities managers who need a reliable power supply with UL/CUL certification for safety-critical systems. It’s ideal for 5-output applications requiring secure, fire-resistant connections.

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Von Duprin PS900 Series High Inrush Model Class 2 Power Supply, 120/240 VAC, 50/60 Hz Universal Input, Fire Alarm Interface Board, 4 Relay Output Board, 4 Amp DC at 12/24 VDC Output Von Duprin PS900 Series High Inrush Model Class 2 Power Supply, 120/240 VAC, 50/60 Hz Universal Input, Fire Alarm Interface Board, 4 Relay Output Board, 4 Amp DC at 12/24 VDC Output

The Von Duprin PS900 Series is perfect for building managers and security professionals who need reliable power for panic devices and fire alarm systems. Its high inrush current and overload protection make it ideal for critical safety applications.

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Altronix ACM AL600ULACM Proprietary Power Supply 8 FUSE OUT ACCESS PWR SPL W/FACP DISC12VDC OR 24VDC/6A Altronix ACM AL600ULACM Proprietary Power Supply 8 FUSE OUT ACCESS PWR SPL W/FACP DISC12VDC OR 24VDC/6A

This power supply is perfect for pros who need steady, safe, and strong power for access systems. It’s great for anyone who wants simple, clean, and reliable control.

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Schlage Electronics PS906 6-Amp Power Supply with 4-Relay Output Board and Fire Alarm Interface Board, 12/24VDC Output, 120/240VAC at 50/60 Hz Input Schlage Electronics PS906 6-Amp Power Supply with 4-Relay Output Board and Fire Alarm Interface Board, 12/24VDC Output, 120/240VAC at 50/60 Hz Input

This product is perfect for installers and building managers who need steady, safe power for access systems. It’s also great for anyone who wants a simple, flat‑mount setup that keeps devices running without trouble.

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New Simplex 565-220 Power Supply Interface Assy Fire Alarm Control Panel Board New Simplex 565-220 Power Supply Interface Assy Fire Alarm Control Panel Board

New Simplex 565-220 Power Supply Interface is perfect for installers who need a simple and reliable part for their fire alarm control panel board.
It fits well for building managers who want a quick upgrade.

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Securitron BPS-12-3 Power Supply 3 Amp 12Vdc, Satin Aluminum Securitron BPS-12-3 Power Supply 3 Amp 12Vdc, Satin Aluminum

This Securitron BPS‑12‑3 is made for small businesses and home offices that need a safe, reliable power backup. Its rugged steel case, LED status lights, and easy slide switches let you keep critical devices running during power cuts.

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Securitron BPS-24-4 Boxed Power Supply, 24V DC, 6 Ampere Securitron BPS-24-4 Boxed Power Supply, 24V DC, 6 Ampere

The Securitron BPS-24-4 is perfect for anyone needing areliable power supply for security systems. It’s ideal for buildings that require fire alarm integration and easy monitoring.

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Sargent 3540 Power Supply, 24 VDC, 2 Amps (Pack of 1) Sargent 3540 Power Supply, 24 VDC, 2 Amps (Pack of 1)

The Sargent 3540 Power Supply is perfect for anyone needing reliable power for security systems, fire alarms, or emergency lighting. It’s ideal for keeping critical devices running smoothly, even during power outages.

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Detailed Reviews

Discover the top 10 Fire Alarm Interface Power Supplies, carefully selected for reliability and performance. Each product is reviewed to ensure it meets your needs, whether you prioritize safety, efficiency, or affordability. Dive in to find the perfect power supply that keeps your systems running smoothly and securely.

1. Altronix AL125UL Multi-Output Power Supply Charger with Fire Alarm Interface, Access Control Trigger Input, 12VDC or 24VDC Selectable Outputs, Two (2) Class 2 Rated Power Limited Outputs

Altronix AL125UL Multi-Output Power Supply Charger with Fire Alarm Interface, Access Control Trigger Input, 12VDC or 24VDC Selectable Outputs, Two (2) Class 2 Rated Power Limited Outputs

The Altronix AL125UL gives steady power. It helps keep locks and systems on. It is easy to use.

It has 12VDC or 24VDC output. It also has short circuit and heat protection.

It can charge batteries and switch to backup power fast. It also has a fire alarm disconnect for safe control.

Pros Cons
  • Fail‑Safe lock output keeps doors secure when power cuts.
  • Short‑circuit protection stops fire risk instantly.
  • Built‑in charger powers batteries while AC runs.
  • Automatic battery switch keeps power during outages.
  • Fire‑alarm disconnect cuts power safely during alarms.
  • No remote monitoring option for power supply status.
  • Limited output ports for multiple devices.
  • Manual reset required for latching fire alarm disconnect.

Perfect For:

The Altronix AL125UL is perfect for anyone needing a reliable power supply for access control systems or fire alarm interfaces. It’s ideal for businesses or buildings that require fail-safe protection and automatic battery backup during power outages.

Ready to Purchase?

2. LifeSafety Power FPO75-E1 FlexPower Power Supply/Charger Module, Network Ready, 75W, Fire Alarm Interface, 6A/12V or 3A/24V, 120/230 VAC Input, 12/24 VDC Output, 0.69A Input Current, Wall-Mount

LifeSafety Power FPO75-E1 FlexPower Power Supply/Charger Module, Network Ready, 75W, Fire Alarm Interface, 6A/12V or 3A/24V, 120/230 VAC Input, 12/24 VDC Output, 0.69A Input Current, Wall-Mount

The LifeSafety Power FPO75‑E1 is a wall‑mount power supply. It gives 75 W from 120/230 VAC to 12 V or 24 V DC. It fits fire alarm systems with a FAI interface.

It has multiple outputs for system power, lock control, and accessories. You can set it to fail‑safe or fail‑secure mode. Relays can be delayed with PowerCom.

The unit is modular and network ready. It is easy to install and use.

Pros Cons
  • Fully modular design for easy power management.
  • Multiple outputs for system power and accessory control.
  • Fire alarm interface ensures safe egress in emergencies.
  • Configurable modes for fail-safe or fail-secure operation.
  • Delayed fault relays via PowerCom for reliable performance.
  • Limited power output for larger systems.
  • No built-in battery backup option.
  • Complex setup for fail-safe/fail-secure modes.

Perfect For:

The LifeSafety Power FPO75-E1 FlexPower Power Supply/Charger Module is perfect for anyone needing a reliable, flexible power solution. It’s ideal for fire alarm systems, access control, or security setups that require modular power management and fail-safe/fail-secure options.

Ready to Purchase?

3. ALTRONIX AL400ULM 5 Output; FIRE’ACCESS Interface, Power SUPPLY’CHARGER, UL’CUL

ALTRONIX AL400ULM 5 Output; FIRE'ACCESS Interface, Power SUPPLY'CHARGER, UL'CUL

The ALTRONIX AL400ULM is a reliable power solution. It has five outputs for multiple devices. This unit is UL and CUL listed, ensuring safety.

It features a fire and access interface, making it ideal for security systems. The power supply and charger keep your devices running smoothly.

With its compact design, this product is easy to install. It provides efficient power management for various applications. A trusted choice for professionals.

Pros Cons
  • 5 outputs for flexible and efficient power distribution.
  • UL/CUL certified for safety and reliability.
  • Built-in charger keeps systems powered and ready.
  • Fire/access interface ensures critical systems stay operational.
  • Limited to 5 outputs, may not suit larger systems.
  • No advanced features or smart capabilities included.
  • Bulkier design, requires more space for installation.

Perfect For:

This product is perfect for engineers, technicians, and facilities managers who need a reliable power supply with UL/CUL certification for safety-critical systems. It’s ideal for 5-output applications requiring secure, fire-resistant connections.

Ready to Purchase?

4. Von Duprin PS900 Series High Inrush Model Class 2 Power Supply, 120/240 VAC, 50/60 Hz Universal Input, Fire Alarm Interface Board, 4 Relay Output Board, 4 Amp DC at 12/24 VDC Output

Von Duprin PS900 Series High Inrush Model Class 2 Power Supply, 120/240 VAC, 50/60 Hz Universal Input, Fire Alarm Interface Board, 4 Relay Output Board, 4 Amp DC at 12/24 VDC Output

The Von Duprin PS900 Series is a high-inrush power supply built for electrified panic devices. It handles 120/240 VAC and 50/60 Hz with ease.

It offers low voltage DC, regulated and filtered power. It includes AC overload protection and isolated SPDT contacts.

This model features two polarized connectors and a fused primary input. It also has a high voltage protective cover for added safety.

Pros Cons
  • Powers electrified panic devices with high inrush current.
  • Protects against AC overload with foldback circuit.
  • Regulated and filtered low voltage DC output.
  • Isolated AC status monitor for safe operation.
  • High initial cost for basic features.
  • Limited compatibility with older systems.
  • Complex installation process required.

Perfect For:

The Von Duprin PS900 Series is perfect for building managers and security professionals who need reliable power for panic devices and fire alarm systems. Its high inrush current and overload protection make it ideal for critical safety applications.

Ready to Purchase?

5. Altronix ACM AL600ULACM Proprietary Power Supply 8 FUSE OUT ACCESS PWR SPL W/FACP DISC12VDC OR 24VDC/6A

Altronix ACM AL600ULACM Proprietary Power Supply 8 FUSE OUT ACCESS PWR SPL W/FACP DISC12VDC OR 24VDC/6A

The Altronix ACM AL600ULACM is a reliable power supply designed for security systems. It offers 12VDC or 24VDC output with a 6A capacity, ensuring stable power for your devices.

This unit includes 8 fuse outputs and FACP disconnect, making it easy to manage. It comes with a 1-year warranty, giving you peace of mind.

Pros Cons
  • Reliable power for your home or office.
  • Fast and easy to set up today.
  • Use 12 or 24 volts with ease.
  • Eight fuse zones keep you very safe.
  • Works well with your fire alarm.
  • Limited voltage options: only 12VDC or 24VDC.
  • No built-in surge protection for power spikes.
  • Proprietary design may limit compatibility with other systems.

Perfect For:

This power supply is perfect for pros who need steady, safe, and strong power for access systems. It’s great for anyone who wants simple, clean, and reliable control.

Ready to Purchase?

6. Schlage Electronics PS906 6-Amp Power Supply with 4-Relay Output Board and Fire Alarm Interface Board, 12/24VDC Output, 120/240VAC at 50/60 Hz Input

Schlage Electronics PS906 6-Amp Power Supply with 4-Relay Output Board and Fire Alarm Interface Board, 12/24VDC Output, 120/240VAC at 50/60 Hz Input

The Schlage Electronics PS906 is a 6-amp power supply designed for access control systems. It works with 120 to 240V input and supports 12 or 24V devices. This unit is easy to install and use.

It includes a four-relay output board to connect multiple devices. The fire alarm interface board links a fire alarm to the system. Both boards are integrated for seamless operation.

The flat mounting design saves space and eliminates the need for racks. LED indicators show input and output voltages for quick monitoring. This unit ensures safe and efficient power management.

Pros Cons
  • Powers 12/24V systems with 6-amp supply for reliable performance.
  • Four-relay board connects multiple devices easily.
  • Fire alarm integration enhances safety and system control.
  • Flat design saves space, no racks or side connectors needed.
  • LEDs show input/output voltage status for quick checks.
  • Setup may feel hard for new users
  • Extra boards needed for full use
  • High cost for small projects

Perfect For:

This product is perfect for installers and building managers who need steady, safe power for access systems. It’s also great for anyone who wants a simple, flat‑mount setup that keeps devices running without trouble.

Ready to Purchase?

7. New Simplex 565-220 Power Supply Interface Assy Fire Alarm Control Panel Board

New Simplex 565-220 Power Supply Interface Assy Fire Alarm Control Panel Board

The New Simplex 565-220 Power Supply Interface Assy is a brand new fire alarm control panel board. It is designed to work with fire alarm systems. This board ensures reliable power supply for your safety devices.

It is a key component for fire alarm systems. The board is easy to install and use.

This fire alarm control panel board is a must-have for any fire alarm system. It provides peace of mind and safety. The New Simplex 565-220 is a reliable and efficient solution.

Pros Cons
  • Brand new and ready to use for your fire alarm system.
  • Reliable performance ensures safety and peace of mind.
  • Easy installation saves time and effort.
  • Durable design for long-lasting use in critical systems.
  • High cost compared to other panels.
  • Limited specs for older systems.
  • Installation may need professional help.

Perfect For:

New Simplex 565-220 Power Supply Interface is perfect for installers who need a simple and reliable part for their fire alarm control panel board.
It fits well for building managers who want a quick upgrade.

Ready to Purchase?

8. Securitron BPS-12-3 Power Supply 3 Amp 12Vdc, Satin Aluminum

Securitron BPS-12-3 Power Supply 3 Amp 12Vdc, Satin Aluminum

The Securitron BPS-12-3 Power Supply is a reliable and durable device. It comes in a rugged steel enclosure with a satin aluminum finish.

This power supply has LEDs to monitor zone status, slide switches for easy control, and terminals for fire alarm relay connection. It provides 3 Amp 12Vdc power and ensures safety with its fire alarm release feature.

Pros Cons
  • Rugged steel protects your power supply from damage.
  • LEDs show power status at a glance.
  • Slide switches let you control power easily.
  • Fire alarm connection keeps you safe in emergencies.
  • No built-in battery backup for power outages.
  • Slide switches may wear out with heavy use.
  • Fire alarm connection requires extra wiring.

Perfect For:

This Securitron BPS‑12‑3 is made for small businesses and home offices that need a safe, reliable power backup. Its rugged steel case, LED status lights, and easy slide switches let you keep critical devices running during power cuts.

Ready to Purchase?

9. Securitron BPS-24-4 Boxed Power Supply, 24V DC, 6 Ampere

Securitron BPS-24-4 Boxed Power Supply, 24V DC, 6 Ampere

The Securitron BPS-24-4 is a boxed power supply designed for 24V DC systems. It delivers 6 amps of power, making it reliable for various applications. Its rugged steel enclosure ensures durability and protection.

This unit features LEDs to monitor zone status, showing voltage or no voltage. Slide switches allow easy connection or disconnection of the load from power. These features make it user-friendly and efficient.

It includes terminals for fire alarm relay connection, ensuring safety. Upon fire alarm activation, all devices can be released quickly. The Securitron BPS-24-4 combines functionality and safety in one compact unit.

Pros Cons
  • LEDs show power status clearly and instantly.
  • Slide switches make it easy to control power.
  • Rugged steel protects the supply from damage.
  • Fire alarm connection ensures safety in emergencies.
  • No built-in battery backup for power outages.
  • Slide switches may wear out with heavy use.
  • Steel enclosure adds weight, making installation tougher.

Perfect For:

The Securitron BPS-24-4 is perfect for anyone needing areliable power supply for security systems. It’s ideal for buildings that require fire alarm integration and easy monitoring.

Ready to Purchase?

10. Sargent 3540 Power Supply, 24 VDC, 2 Amps (Pack of 1)

Sargent 3540 Power Supply, 24 VDC, 2 Amps (Pack of 1)

The Sargent 3540 Power Supply is a reliable and efficient solution for your power needs. It delivers 24 VDC at 2 Amps, ensuring stable power for your devices. This unit comes in a pack of 1, making it easy to integrate into your setup.

It features integral battery charging, keeping sealed lead acid gel/cell batteries fully charged during line voltage failures. The fused line voltage input and four DC outputs provide safety and flexibility. Each circuit has a slide switch for individual control and an LED to show power status.

In case of a DC short, the issue is contained to the affected area, preventing widespread problems. A fire alarm interface is included as standard, adding an extra layer of safety to your system.

Pros Cons
  • Keeps backup power ready at all times
  • Protects each zone from full‑system failure
  • Shows power status with clear LED lights
  • Lets you switch each circuit on or off fast
  • Includes a built‑in fire alarm link
  • Limited to 24 VDC, not suitable for higher voltage needs.
  • No remote control option for convenient operation.
  • Bulkier design may not fit all spaces.

Perfect For:

The Sargent 3540 Power Supply is perfect for anyone needing reliable power for security systems, fire alarms, or emergency lighting. It’s ideal for keeping critical devices running smoothly, even during power outages.

Ready to Purchase?

Buying Guide

Fire alarm systems need reliable power supplies to keep you safe. Choosing the right one ensures your system works when you need it most.

Here’s what to consider when buying a fire alarm interface power supply:

  • Power Output: Check if it matches your system’s needs. Look for 12VDC or 24VDC options.
  • Safety Features: Choose one with short circuit and overheat protection for added safety.
  • Backup Power: Ensure it has battery charging and backup power for emergencies.
  • Ease of Use: Pick a model that’s easy to install and operate.
  • Compatibility: Make sure it works with your fire alarm system and other devices.
  • Durability: Look for a rugged design that lasts long and handles tough conditions.
  • Warranty: A good warranty gives you peace of mind and protects your investment.
  • Size and Design: Choose a compact unit that fits your space easily.
  • Network Ready: Opt for a network-ready model if you need remote monitoring.
  • Price: Balance cost with features to get the best value for your money.

With these factors in mind, you’ll find the perfect fire alarm interface power supply for your needs. Stay safe and enjoy peace of mind!