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  • Save $388.01
    Lifesafety Power FPO150-B100C4C82D8E4 Power System combine FlexPo
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    Lifesafety Power FPO150-B100C4C82D8E4

    Lifesafety Power FPO150-B100C4C82D8E4 Power System

    Compact uninterruptible power supply designed for access control systems, door locks, and auxiliary equipment in small-to-medium deployments

    • Dual 12V/24V outputs let legacy and modern locks share one 150W UL-listed system.
    • Eight relay lock outputs (3A fused each) support failsafe or failsecure per zone.
    • Sixteen auxiliary 3A fused outputs power sensors and REX devices from a single enclosure.
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  • Save $266.01
    Lifesafety Power FPO150-B100C4D8E2 Power supply board 150W 12A/1
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    Lifesafety Power FPO150-B100C4D8E2

    Lifesafety Power FPO150-B100C4D8E2 150W 12A

    150W secondary power supply board for distributed power infrastructure in access control and security systems

    • Delivers 12A @ 12VDC or 6A @ 24VDC from a single 150W board.
    • 12 independently fused outputs (4 relay + 8 aux) prevent cascade faults.
    • 4.5-inch depth fits shallow wall-mount and 19-inch rack enclosures.
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    $778.00 $511.99 Save $266.01
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  • Save $305.01
    Lifesafety Power FPO150-B100C4D8E2M Power supply board 150W 12A
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    Lifesafety Power FPO150-B100C4D8E2M

    Lifesafety Power FPO150-B100C4D8E2M 150W 12A

    150W power supply board rated for either 12VDC at 12A or 24VDC at 6A output

    • Dual-voltage output (12VDC/12A or 24VDC/6A) supports legacy and modern loads from one board.
    • 150W rated supply simplifies centralized power distribution for access control and auxiliary loads.
    • Board-level form factor integrates into Lifesafety Power enclosures; verify mounting compatibility before ordering.
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    $890.00 $584.99 Save $305.01
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  • Save $345.01
    Lifesafety Power FPO150-B100C4D8E4M Power supply board 150W 12A/1
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    Lifesafety Power FPO150-B100C4D8E4M

    Lifesafety Power FPO150-B100C4D8E4M 150W 12A

    150-watt power supply board designed to distribute regulated DC voltage across multiple endpoints in access control, surveillance, and alarm system

    • Selectable 12VDC/12A or 24VDC/6A output supports mixed-voltage device deployments.
    • 150W capacity powers roughly 12–15 door locks plus access readers on a single board.
    • Board form factor integrates directly into enclosures and distributed power nodes.
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    $1,008.00 $662.99 Save $345.01
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  • Save $685.01
    Lifesafety Power FPO150-B100C4D8E8S 150W power supply 12A/12V
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    Lifesafety Power FPO150-B100C4D8E8S

    Lifesafety Power FPO150-B100C4D8E8S 150W power supply 12A/12V

    150W regulated power supply configured for access control and security infrastructure requiring distributed 12V or 24V power with integrated relay

    • Primary output delivers 12A @ 12VDC or 6A @ 24VDC from a single 150W supply.
    • Four relay outputs are independently fused at 3A with per-output fail-safe/fail-secure selection.
    • Eight aux DC outputs and an adjustable 5–18V secondary support mixed loads on isolated buses.
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    $1,997.00 $1,311.99 Save $685.01
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  • Save $266.01
    Lifesafety Power FPO150-B100C4PD8PE2 150W power supply 12A/12V
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    Lifesafety Power FPO150-B100C4PD8PE2

    Lifesafety Power FPO150-B100C4PD8PE2 150W power supply 12A/12V

    150W regulated power supply designed for access control and life safety systems

    • Switchable 12A/12V or 6A/24V primary output supports varied lock and device loads.
    • Four relay outputs selectable per-channel for FAI, fail-safe, or fail-secure door control.
    • Eight Class 2 DC auxiliary outputs at 2.5A each, assignable across two independent buses.
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  • Save $634.01
    Lifesafety Power FPO150-B100C82D8E4M/T8-A 150W power supply 12A
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    Lifesafety Power FPO150-B100C82D8E4M/T8-A

    Lifesafety Power FPO150-B100C82D8E4M/T8-A 150W 12A

    150W primary power module designed for distributed access control and security infrastructure

    • Dual primary outputs deliver 12A@12V or 6A@24V from a single 150W module.
    • 8 relay outputs support mixed FAI/failsafe/failsecure modes in one enclosure.
    • 16 aux DC outputs, each 3A-fused, assign independently to Bus1 or Bus2.
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    $1,850.00 $1,215.99 Save $634.01
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  • Save $837.01
    Lifesafety Power FPO150-B100C82D8PE4H1/P8-C 150W power supply
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    Lifesafety Power FPO150-B100C82D8PE4H1/P8-C

    Lifesafety Power FPO150-B100C82D8PE4H1/P8-C 150W power supply

    Hardened power supply designed for access control and security infrastructure deployments

    • Dual-voltage output (12VDC/12A or 24VDC/6A) supports legacy and modern lock hardware.
    • 8 relay lock outputs, each fused at 3A with per-output failsafe/failsecure selection.
    • 8 Class 2 auxiliary DC outputs with Bus1/Bus2 supervision paths reduce single-point failure risk.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $2,441.00 $1,603.99 Save $837.01
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  • Save $899.01
    Lifesafety Power FPO150-B100C82D8PE4H1/P8-D 150W power supply
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    Lifesafety Power FPO150-B100C82D8PE4H1/P8-D

    Lifesafety Power FPO150-B100C82D8PE4H1/P8-D 150W power supply

    150W power supply designed for access control and security infrastructure requiring selectable 12V/12A or 24V/6A output

    • 8 relay lock outputs, each fused at 3A, support failsafe, failsecure, or FAI modes.
    • 8 class 2 auxiliary DC outputs at 2.5A each enable safe, code-compliant device power.
    • Dual-bus architecture lets each auxiliary output select Bus1 or Bus2 independently.
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    $2,621.00 $1,721.99 Save $899.01
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  • Save $706.01
    Lifesafety Power FPO150-B100C82D8PE4M/P8-A 150W power supply 12A
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    Lifesafety Power FPO150-B100C82D8PE4M/P8-A

    Lifesafety Power FPO150-B100C82D8PE4M/P8-A 150W 12A

    150W industrial power supply engineered for security control infrastructure

    • Dual-voltage output (12VDC/12A or 24VDC/6A) powers mixed endpoint devices from one chassis.
    • Eight 3A relay outputs support per-door failsafe, failsecure, or FAI logic for life-safety integration.
    • Sixteen Class 2 DC aux outputs with Bus1/Bus2 segregation simplify multi-zone circuit supervision.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $2,058.00 $1,351.99 Save $706.01
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  • Save $706.01
    Lifesafety Power FPO150-B100C82D8PE4M/P8-B 150W PS 12A/12V or 6A
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    Lifesafety Power FPO150-B100C82D8PE4M/P8-B

    Lifesafety Power FPO150-B100C82D8PE4M/P8-B 150W 12A/12V

    150W distributed power supply designed for access control, door strike, and auxiliary device management in commercial security installations

    • Dual-voltage output (12A/12V or 6A/24V) selectable without hardware modification.
    • 8 relay lock channels, each fused at 3A with per-channel failsafe/failsecure selection.
    • 24 independently supervised DC outputs isolate faults across doors, strikes, and sensors.
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    $2,058.00 $1,351.99 Save $706.01
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  • Save $678.01
    Lifesafety Power FPO150-B100C82D8PE4M/P8-C 150W power supply 12A
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    Lifesafety Power FPO150-B100C82D8PE4M/P8-C

    Lifesafety Power FPO150-B100C82D8PE4M/P8-C 150W 12A

    150W power supply engineered for access control and security system installations

    • Delivers 12A @ 12VDC or 6A @ 24VDC to power multiple locks and control devices.
    • 8 relay lock outputs are individually configurable for failsafe, failsecure, or FAI.
    • 16 auxiliary outputs split across two buses simplify multi-zone load segregation.
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    $1,978.00 $1,299.99 Save $678.01
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  • Save $770.01
    Lifesafety Power FPO150-B100C82D8PE4M1/P8-B 150W power supply
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    Lifesafety Power FPO150-B100C82D8PE4M1/P8-B

    Lifesafety Power FPO150-B100C82D8PE4M1/P8-B 150W power supply

    150W integrated power supply and access control platform designed to consolidate door control, auxiliary power distribution, and battery supervision

    • Dual 12VDC/24VDC bus runs mixed lock and reader types from one UL-listed cabinet.
    • 8 fused 3A relay outputs plus 16 aux outputs cover doors and sensors without add-on hardware.
    • Form C fault contacts report AC loss, blown fuses, and battery faults for clean FACP integration.
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    $2,244.00 $1,473.99 Save $770.01
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  • Save $883.01
    Lifesafety Power FPO150-B100C82D8PE6H/T8-C 150W power supply 12A
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    Lifesafety Power FPO150-B100C82D8PE6H/T8-C

    Lifesafety Power FPO150-B100C82D8PE6H/T8-C 150W 12A

    • Delivers 12A at 12VDC or 6A at 24VDC to power multiple locks and readers.
    • Eight relay outputs (3A each) offer per-channel failsafe or failsecure selection.
    • Eight Class 2 auxiliary outputs (2.5A each) assign to Bus1 or Bus2 independently.
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    $2,574.00 $1,690.99 Save $883.01
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  • Save $560.01
    Lifesafety Power FPO150-B100C82D8PE6M Pwr supply board 150W 12A
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    Lifesafety Power FPO150-B100C82D8PE6M

    Lifesafety Power FPO150-B100C82D8PE6M 150W 12A

    150W centralized power supply board designed for distributed access control and security systems

    • 150W board delivers 12A at 12VDC or 6A at 24VDC from a single centralized supply.
    • 8 relay lock outputs (3A fused each) isolate high-inrush strike loads from sensitive circuits.
    • Fits Mercury/Lenel backplates, integrating into legacy and current access control cabinets.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $1,632.00 $1,071.99 Save $560.01
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  • Save $914.01
    Lifesafety Power FPO150-B100C82D8PE6M/P8-A 150W power supply 12A
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    Lifesafety Power FPO150-B100C82D8PE6M/P8-A

    Lifesafety Power FPO150-B100C82D8PE6M/P8-A 150W 12A

    150W cabinet-mounted power supply designed to distribute power to multiple security endpoints in medium-scale access control and surveillance

    • Delivers 12A@12VDC or 6A@24VDC primary to power cameras, readers, and strikes in one zone.
    • 16 class-2 auxiliary outputs at 2.5A each, assignable to Bus1 or Bus2 for circuit isolation.
    • Four relay outputs support failsafe, failsecure, or FAI logic for compliant door control.
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    $2,665.00 $1,750.99 Save $914.01
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  • Save $831.01
    Lifesafety Power FPO150-B100C82D8PE6M/T8-C Mercury ProWire Power
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    Lifesafety Power FPO150-B100C82D8PE6M/T8-C

    Lifesafety Power FPO150-B100C82D8PE6M/T8-C ProWire Power

    Dual-voltage access control power supply engineered to integrate FlexPower modules, door locks, readers, and fire alarm signaling into a single

    • 150W total output supports 8–16 door deployments across 16 auxiliary and 8 relay outputs.
    • Dual 12V/24V buses eliminate separate supplies for mixed-voltage lock and reader installations.
    • Built-in Form C fire alarm disconnect triggers automatic door unlock without external relays.
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    $2,422.00 $1,590.99 Save $831.01
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  • Save $1,117.01
    Lifesafety Power FPO150-B100C82D8PE8H/P8-C 150W power supply 12A
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    Lifesafety Power FPO150-B100C82D8PE8H/P8-C

    Lifesafety Power FPO150-B100C82D8PE8H/P8-C 150W 12A

    150W power supply rated at 12A output, delivering selectable 12V or 24V primary voltage with adjustable 5–18V secondary output at up to 4A

    • Delivers 150W at 12A/12V or 6A/24V to power multi-door access control systems.
    • 8 Class 2 relay outputs fused at 3A each support failsafe or failsecure door mode.
    • 16 DC aux outputs at 2.5A routable across dual Bus1/Bus2 channels for zone flexibility.
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    $3,256.00 $2,138.99 Save $1,117.01
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  • Save $317.01
    Lifesafety Power FPO150-B100C8D8E2M Power supply board 150W 12A
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    Lifesafety Power FPO150-B100C8D8E2M

    Lifesafety Power FPO150-B100C8D8E2M 150W

    150W board-level power supply engineered for distributed power architecture in mid-scale security and access control installations

    • Delivers 12VDC @ 12A or 24VDC @ 6A to match legacy and modern endpoint requirements.
    • Board-only form factor integrates directly into custom chassis or existing backplane infrastructure.
    • 150W capacity supports mid-scale camera and access control arrays without a centralized supply.
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    $925.00 $607.99 Save $317.01
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  • Save $372.01
    Lifesafety Power FPO150-B100C8D8E4A FPO150-B100C8D8E4A (view 3)
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    Lifesafety Power FPO150-B100C8D8E4A

    Lifesafety Power FPO150-B100C8D8E4A FPO150-B100C8D8E4A

    150W modular power supply designed for distributed access-control installations, electric-lock circuits, and auxiliary DC loads

    • 150W dual-rail output (12V@12A or 24V@6A) covers legacy and modern door hardware.
    • 8 relay lock outputs and 8 fused DC channels eliminate external contactors and regulators.
    • Adjustable 5–18V@4A Class 2 secondary rail powers readers and sensors without add-on modules.
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    $1,084.00 $711.99 Save $372.01
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  • Save $374.01
    Lifesafety Power FPO150-B100C8D8E4S 150W power supply 12A/12V
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    Lifesafety Power FPO150-B100C8D8E4S

    Lifesafety Power FPO150-B100C8D8E4S 150W power supply 12A/12V

    150W supervised power supply designed for access control and life safety installations requiring multiple relay-switched load control

    • Delivers 12A at 12VDC or 6A at 24VDC from a single 150W supervised supply.
    • Eight independently 3A-fused relay outputs support fail-safe or fail-secure selection per door.
    • Eight DC auxiliary outputs with dual-bus support isolate faults across distributed access points.
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    $1,092.00 $717.99 Save $374.01
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  • Save $467.01
    Lifesafety Power FPO150-B100C8D8E4X 150W power supply 12A/12V
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    Lifesafety Power FPO150-B100C8D8E4X

    Lifesafety Power FPO150-B100C8D8E4X 150W power supply 12A/12V

    150W distributed power supply designed for access control, door locks, and auxiliary load integration in mid-scale security deployments

    • Delivers 12A at 12VDC or 6A at 24VDC, configurable for mixed-voltage door deployments.
    • 8 individually fused 3A relay outputs support per-output failsafe, failsecure, or FAI modes.
    • 8 DC auxiliary outputs on dual selectable buses isolate load domains to contain fault impact.
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    $1,362.00 $894.99 Save $467.01
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  • Save $551.01
    Lifesafety Power FPO150-B100C8D8E6M FPO150-B100C8D8E6M
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    Lifesafety Power FPO150-B100C8D8E6M

    Lifesafety Power FPO150-B100C8D8E6M FPO150-B100C8D8E6M

    150W power distribution platform designed for access control and door lock systems

    • Dual-voltage primary (12A@12V or 6A@24V) matches output to your lock hardware rail.
    • 8 independently fused 3A relay outputs eliminate external relay boards for lock control.
    • Class 2 adjustable 5–18V@4A secondary powers readers and indicators off a separate rail.
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    $1,608.00 $1,056.99 Save $551.01
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  • Save $691.01
    Lifesafety Power FPO150-B100C8D8E8H Power supply board 150W 12A
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    Lifesafety Power FPO150-B100C8D8E8H

    Lifesafety Power FPO150-B100C8D8E8H 150W 12A

    150W industrial-grade power distribution board designed to serve security and access control systems in environments where you need regulated DC

    • Selectable 12V/24V output supports mixed-generation devices from a single board.
    • 150W capacity delivers 12A at 12VDC or 6A at 24VDC for multi-channel loads.
    • Board-level form factor integrates into existing DIN-rail or panel-mount architectures.
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    $2,015.00 $1,323.99 Save $691.01
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  • Save $477.01
    Lifesafety Power FPO150-B100C8D8NLCE4-4SL1 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8NLCE4-4SL1

    Lifesafety Power FPO150-B100C8D8NLCE4-4SL1 150W 12A

    150W industrial power supply designed to centralize power delivery and electromechanical lock control in access control and building automation

    • Selectable 12VDC/12A or 24VDC/6A output supports mixed-voltage access control deployments.
    • Eight relay outputs fused at 3A each with per-output failsafe or failsecure logic selection.
    • Eight auxiliary DC outputs assignable to Bus1 or Bus2 eliminate single points of failure.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $1,391.00 $913.99 Save $477.01
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  • Save $311.01
    Lifesafety Power FPO150-B100C8D8PE4 150W PS 12A/12V or 6A/24V 12V
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    Lifesafety Power FPO150-B100C8D8PE4

    Lifesafety Power FPO150-B100C8D8PE4 150W 12A/12V or 6A/24V

    150W centralized power supply designed for access control, door locks, and life safety equipment in small-to-medium installations

    • Switchable 12A/12V or 6A/24V output eliminates separate supplies in mixed-voltage deployments.
    • Eight 3A fused relay outputs support failsafe or failsecure logic per door without external relays.
    • Eight Class 2 aux outputs at 2.5A each independently power readers, REX, and alarm circuits.
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  • Save $585.01
    Lifesafety Power FPO150-B100C8D8PE4H1/P FlexPower 150W 12/24V 8-d
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    Lifesafety Power FPO150-B100C8D8PE4H1/P

    Lifesafety Power FPO150-B100C8D8PE4H1/P 150W 12/24V

    150W access control power supply designed for distributed door lock and auxiliary device power management across multi-door installations

    • 150W capacity supports up to 8 mag locks with margin for auxiliary devices.
    • Dual 12V/24V outputs power legacy and modern lock hardware from a single supply.
    • 8 dedicated lock outputs eliminate daisy-chaining risk across multi-door installations.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $1,707.00 $1,121.99 Save $585.01
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  • Save $365.01
    Lifesafety Power FPO150-B100C8D8PE4M Mercury Unif.Pwr.Sys 8Output
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    Lifesafety Power FPO150-B100C8D8PE4M

    Lifesafety Power FPO150-B100C8D8PE4M 8Output

    150W unified power distribution system designed for mid-scale access control and life safety installations requiring independent control of multiple

    • Eight fused 3A relay outputs each support FAI, failsafe, or failsecure logic independently.
    • Eight Class 2 auxiliary outputs at 2.5A each power readers, REX buttons, and PIR sensors.
    • Dual Bus architecture allows selective circuit isolation or emergency shutdown via one relay.
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    $1,065.00 $699.99 Save $365.01
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  • Save $669.01
    Lifesafety Power FPO150-B100C8D8PE4M/P8-A 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8PE4M/P8-A

    Lifesafety Power FPO150-B100C8D8PE4M/P8-A 150W 12A

    150W rackmount power supply purpose-built for access control and electronic lock management in mid-scale security installations

    • Delivers 12A @ 12VDC or 6A @ 24VDC to power mag locks and readers from one unit.
    • Eight relay outputs are field-selectable per channel for failsafe, failsecure, or FAI.
    • Eight Class 2 aux outputs across two switchable buses add supervision without relay load.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $1,950.00 $1,280.99 Save $669.01
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  • Save $601.01
    Lifesafety Power FPO150-B100C8D8PE4M/T8-C 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8PE4M/T8-C

    Lifesafety Power FPO150-B100C8D8PE4M/T8-C 150W 12A

    150W intelligent power supply purpose-built for access control integration—specifically managing electric locks, door strikes, and auxiliary security

    • Delivers 12A at 12VDC or 6A at 24VDC to match lock hardware and cable-run requirements.
    • Eight relay outputs, each 3A fused, with per-relay failsafe or failsecure mode independently set.
    • Eight auxiliary Class 2 DC outputs at 2.5A each handle secondary loads on the same panel.
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    Lifesafety Power FPO150-B100C8D8PE4M1/T8-A 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8PE4M1/T8-A

    Lifesafety Power FPO150-B100C8D8PE4M1/T8-A 150W 12A

    150W rated auxiliary power supply engineered for distributed access control and door management installations

    • Switchable 12VDC/12A or 24VDC/6A output replaces two SKUs on mixed-voltage sites.
    • Eight individually fused 2.5A DC outputs support zone-segregated readers and controllers.
    • Eight relay outputs configurable per-channel for failsafe, failsecure, or FAI mode.
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    Lifesafety Power FPO150-B100C8D8PE6B1 150W Dual Voltage 120 VAC
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    Lifesafety Power FPO150-B100C8D8PE6B1

    Lifesafety Power FPO150-B100C8D8PE6B1 150W Dual Voltage

    150W regulated DC power supply designed for distributed surveillance, access control, and IP intercom installations requiring centralized 12V or 24V

    • Selectable 12A @ 12V or 6A @ 24V DC covers most camera and access-control branch circuits.
    • 150W capacity supports up to 12 IP cameras or 6+ readers and door strikes on one supply.
    • Adjustable 5–18V output maintains compatibility with legacy PTZ motors and older intercom devices.
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    Lifesafety Power FPO150-B100C8D8PE6H/P8-C 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8PE6H/P8-C

    Lifesafety Power FPO150-B100C8D8PE6H/P8-C 150W 12A

    150W regulated power supply designed for access control and facility security installations requiring multiple synchronized outputs

    • Delivers 12A at 12VDC or 6A at 24VDC from a single 150W transformer.
    • 8 relay outputs, each fused at 3A with per-output failsafe or failsecure selection.
    • Adjustable 5–18VDC secondary at 4A integrates mixed-voltage sensors without extra modules.
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    Lifesafety Power FPO150-B100C8D8PE6H/T8-C 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8PE6H/T8-C

    Lifesafety Power FPO150-B100C8D8PE6H/T8-C 150W 12A

    150W power supply engineered for access control, door lock, and IP camera installations requiring separate power distribution for powered endpoints

    • Delivers 150W at 12V/12A or 24V/6A to power locks and cameras from one unit.
    • Eight 2.5A DC outputs and eight 3A relay outputs support independent circuit loads.
    • Per-output Bus 1/Bus 2 selection isolates egress circuits without external relays.
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    Lifesafety Power FPO150-B100C8D8PE6M 150W power supply 12A/12V
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    Lifesafety Power FPO150-B100C8D8PE6M

    Lifesafety Power FPO150-B100C8D8PE6M 150W power supply 12A/12V

    150W power supply module designed for commercial access control and integrated security systems requiring distributed power, relay switching, and

    • Delivers 12A @ 12VDC or 6A @ 24VDC to power multiple locks, readers, and devices.
    • Eight independently fused 3A relay outputs support fail-safe, fail-secure, or FAI per zone.
    • Eight 2.5A auxiliary outputs with Bus1/Bus2 supervision keep sensor loops off relay capacity.
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    Lifesafety Power FPO150-B100C8D8PE6M/P8-A 150W power supply 12A
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    Lifesafety Power FPO150-B100C8D8PE6M/P8-A

    Lifesafety Power FPO150-B100C8D8PE6M/P8-A 150W 12A

    150W power supply designed for distributed security and access control infrastructure

    • Delivers 12VDC/12A or 24VDC/6A from a single 150W unit for mid-scale access deployments.
    • Eight relay outputs support failsafe, failsecure, or FAI modes for life-safety compliance.
    • All 8 auxiliary Class 2 outputs meet NEC Article 725, simplifying low-voltage certifications.
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    $2,499.00 $1,641.99 Save $857.01
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Power Delivery & Supplies

Power delivery and supply solutions provide reliable energy for IP cameras, access control hardware, intercoms, and supporting infrastructure. Proper power planning ensures stable operation, protects sensitive equipment, and supports long-term system reliability.

Plan Your Deployment

  • Voltage requirements and device compatibility
  • Total load calculation and expansion capacity
  • Centralized vs distributed power architecture
  • Battery backup and redundancy planning
  • Environmental and enclosure considerations
Get Recommendations Infrastructure

Power Delivery & Supplies — Engineering-Grade Power Distribution for Commercial Deployments

This category covers 1003 working models of power delivery & supplies sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.

What to Look For

Voltage and amperage requirements come from the connected load. Cameras and access-control hardware typically use 12VDC or 24VAC; PoE-powered devices need a PoE injector or switch instead of a traditional supply. Sum the steady-state current draw across all devices on the supply, then add 25-30% headroom for inrush and growth. Undersized supplies fail quickly under sustained load.

Linear, switching, and PoE supplies have different efficiency, noise, and form-factor characteristics. Switching supplies are smaller and cooler-running but introduce switching noise that can affect audio circuits. Linear supplies run quieter electrically but generate more heat and weigh more. PoE injectors and switches are standard for IP cameras and access readers — pick by port count, power budget, and management capability.

Output redundancy and battery backup are the distinguishing features at the high end. Multi-output supplies with individually-fused outputs isolate device failures so one shorted camera doesn't take down the rest. Battery-backed supplies maintain operation during AC failure — code-mandated on most access-control and emergency systems. Sizing the battery for actual runtime requirement is more important than headline Ah capacity.

Enclosure type, mounting, and certification matter for code compliance and field reliability. NEMA-rated enclosures for outdoor/wet locations; lockable enclosures for tamper-resistant installs. UL 294 listing for access-control supplies; UL 1481 for fire-alarm supplies. Verify the AHJ's listing requirements before ordering — many jurisdictions reject non-listed supplies in commercial life-safety installs.

Key Specs in This Category

SpecAvailable Options
ConnectivitySingle-Mode Fiber, Wired, Multi-Mode Fiber, Ethernet over Coax
PowerAC/DC, 24VDC, 12VDC, 24VAC, PoE, PoE+, PoE++
Channels14, 3
TypePower Supply, Enclosure, Accessory, Relay Module, UPS, Network Hub, Cable, Controller
DurabilityIndoor
Night VisionYes

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Frequently Asked Questions

Do I need a battery backup on my power supply?

For access control on egress doors, fire alarm systems, and most security-monitored installations — yes, code requires it. Battery backup runtime is typically 4 hours minimum for access control (24 hours for fire alarm). For surveillance cameras alone, battery backup is optional but recommended; a 30-minute UPS bridge handles most utility-power glitches and prevents reboot cycles that affect recorded video continuity.

What size power supply do I need for 8 PoE cameras?

If using a PoE switch, sum the per-camera PoE class budget: 8 cameras at 802.3at (PoE+, 30W max) need a switch with at least 240W total PoE budget. Add 20-30% headroom. Many 8-port PoE+ switches advertise 130W total budget — undersized for full-load 802.3at use. For 802.3bt (PoE++, 60-90W) devices like multi-imagers or large PTZs, plan even more aggressively.

Can I mix 12VDC and 24VAC devices on one supply?

Multi-output supplies (Altronix AL600ULPD8, LifeSafety FPO75) provide both 12VDC and 24VAC outputs from a single chassis, each individually fused. Mixing the two on a single output is not safe — voltage and waveform are incompatible. For larger sites, separate dedicated supplies per voltage simplify troubleshooting and isolate failures.

How do I calculate voltage drop on long cable runs?

Voltage drop depends on conductor gauge, current draw, and cable length. For 12VDC at 2A over 100 feet, 18 AWG drops roughly 1V (5%) — borderline acceptable. 16 AWG drops half that. For runs over 100 feet at sustained current, use a 24V supply at the source and step down at the device, or move to PoE which tolerates longer runs at typical commercial distances.

What's the difference between a power supply and a PoE injector?

A traditional power supply delivers DC (or AC) to a device through a dedicated power cable. A PoE injector adds DC power to the unused pairs of an Ethernet cable, so the device receives both power and data on the same Cat5e/Cat6. PoE simplifies installation and is the dominant choice for IP cameras and modern access readers. Traditional supplies are still preferred for high-current devices like maglocks and analog camera installations.

Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.