Power & UPS

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  • Save $375.29
    Altronix MAXFIT11FE Dual 12/24VDC 4A Power Supply
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    Altronix MAXFIT11FE

    Altronix MAXFIT11FE Dual 12/24VDC 4A Power Supply

    Dual 12/24VDC 4A power supply with selectable voltage per channel

    • Two isolated 4A outputs at 12VDC or 24VDC, field-selectable per channel
    • Expandable modular architecture grows with system without full replacement
    • BC750 steel enclosure with DIN-rail mounting for compact cabinet install
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    Altronix MAXFIT13FE 12/24VDC 10A Power Supply - image 2
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    Altronix MAXFIT13FE

    Altronix MAXFIT13FE 12/24VDC 10A Power Supply

    Compact 12/24VDC 10A supply for access control and surveillance

    • Selectable 12VDC or 24VDC output for mixed security device loads
    • 10A rating supports multiple cameras, controllers, and sensors
    • MAXFIT enclosure fits 19-inch rack and wall-mount cabinets
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    Altronix MAXFIT33E Dual-Channel 12/24VDC Power Supply (view 3)
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    Altronix MAXFIT33E

    Altronix MAXFIT33E Dual-Channel 12/24VDC Power Supply

    Dual-channel 12/24VDC supply, 6A per channel, stackable design

    • Two independent 6-ampere channels with per-channel voltage selection
    • Mix 12VDC and 24VDC loads simultaneously without separate supplies
    • Stackable architecture scales across multi-zone security deployments
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  • Save $403.42
    Altronix MAXFIT33FE Dual Voltage Power Supply 12/24VDC
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    Altronix MAXFIT33FE

    Altronix MAXFIT33FE Dual Voltage Power Supply 12/24VDC

    Dual 12/24VDC supply with 10A capacity for mixed-voltage security systems

    • Independent 6A channels for 12VDC and 24VDC simultaneous operation
    • 10A maximum current at 24VDC supports access control and surveillance expansion
    • BC750 enclosure with DIN-rail mounting and terminal block connections for quick setup
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  • Save $368.77
    Altronix MAXFIT3E 12/24VDC 6A Power Supply (view 3)
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    Altronix MAXFIT3E

    Altronix MAXFIT3E 12/24VDC 6A Power Supply

    Dual-voltage 6A industrial power supply, 12/24VDC selectable, UL-listed

    • Selectable 12VDC or 24VDC output at 6 amps for multi-device security installations
    • ULXB-rated enclosure meets commercial fire and electrical safety codes
    • DIN-rail and wall-mount compatible for compact control panel integration
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  • Save $385.30
    Altronix MAXFIT3F8AP Access Control Power Kit - image 2
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    Altronix MAXFIT3F8AP

    Altronix MAXFIT3F8AP Access Control Power Kit

    8-channel access control power kit with battery backup and per-point supervision

    • Eight 24VDC outputs with individual current limiting and LED status on each channel
    • Integrated battery charging for emergency egress power during AC mains failure
    • ACM8 module with relay outputs for door locks, request-to-exit, and alarm functions
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    $973.29 $587.99 Save $385.30
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    Altronix MAXFIT3FE 6A Dual Voltage Power Supply (view 3)
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    Altronix MAXFIT3FE

    Altronix MAXFIT3FE 6A Dual Voltage Power Supply

    Dual-voltage 6A power supply with battery backup for security systems

    • Field-selectable 12VDC or 24VDC output at 6A for mixed-voltage devices
    • Battery backup capable for emergency power during mains failure
    • DIN-rail mountable BC750 enclosure expands into larger MAXFIT configurations
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    $750.07 $453.99 Save $296.08
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  • Save $516.14
    Altronix MAXFIT55E 12VDC 20A ULX Enclosure
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    Altronix MAXFIT55E

    Altronix MAXFIT55E 12VDC 20A ULX Enclosure

    12VDC 20A compact enclosure for 4–6 IP cameras with DIN-rail mount

    • 20A output powers medium camera installations in ultra-low-profile form
    • DIN-rail and wall mount options fit confined spaces and retrofit setups
    • Stackable design scales capacity by running multiple units in parallel
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    $1,126.13 $609.99 Save $516.14
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  • Save $621.70
    Altronix MAXFIT716AP 16-Door Access Power Controller Kit
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    Altronix MAXFIT716AP

    Altronix MAXFIT716AP 16-Door Access Power Controller Kit

    16-door access controller with fused protection and battery backup

    • Individual fused circuits per door output isolate faults to single access points
    • AL1024ULXB2 intelligent charger with battery management for power loss events
    • PD16W supervision monitors status across all 16 outputs in real time
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    $1,379.69 $757.99 Save $621.70
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  • Save $483.73
    Altronix MAXFIT778SD Dual 24VDC 10A Power Supply
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    Altronix MAXFIT778SD

    Altronix MAXFIT778SD Dual 24VDC 10A Power Supply

    Dual 24VDC 10A supply with 8 PTC-protected outputs for redundant security power

    • Two independent 10A channels enable failover operation between primary and backup circuits
    • Eight individually protected outputs prevent nuisance tripping during short circuits
    • BC750 form factor mounts in standard enclosures for access control and surveillance systems
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    $1,221.72 $737.99 Save $483.73
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  • Save $468.34
    Altronix MAXFIT77FE 24VDC 20A Dual-Channel Power Supply
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    Altronix MAXFIT77FE

    Altronix MAXFIT77FE 24VDC 20A Dual-Channel Power Supply

    Dual 24VDC/20A expandable power supply for security installations

    • Two independent 10A channels at 24VDC with fault-tolerant redundancy
    • DIN-rail mount in BC750 enclosure for compact cabinet integration
    • Expandable architecture grows without platform replacement
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  • Save $301.54
    Altronix MAXFIT7E 24VDC 10A Power Supply (view 3)
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    Altronix MAXFIT7E

    Altronix MAXFIT7E 24VDC 10A Power Supply

    24VDC 10A regulated supply in compact ULXB enclosure for security systems

    • 24VDC @ 10A output with short-circuit and thermal overload protection
    • ULXB-rated MAXFIT form factor fits standard racks and wall-mounted installations
    • Supports battery backup modules for mission-critical access control and camera loads
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    $762.53 $460.99 Save $301.54
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  • Save $506.00
    Altronix MAXFIT7F16AP 16-Port PoE Injector (view 2)
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    Altronix MAXFIT7F16AP

    Altronix MAXFIT7F16AP 16-Port PoE Injector

    16-port PoE injector with dual circuits and battery backup support

    • 16 simultaneous PoE outputs across two independent 8-port modules
    • Supervised circuits monitor each port for device detection and faults
    • Battery backup ready for emergency power during mains loss
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    $1,277.99 $771.99 Save $506.00
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  • Save $309.83
    Altronix MAXFIT7FE Single Power Supply Expandable Power Sys (view 3)
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    Altronix MAXFIT7FE

    Altronix MAXFIT7FE Single Power Supply Expandable Power Sys

    24VDC 10A expandable power supply for security infrastructure

    • 24VDC regulated output at 10A for access control and surveillance
    • Modular architecture scales capacity as security systems grow
    • Single-unit baseline configuration simplifies initial installations
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    $784.82 $474.99 Save $309.83
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  • Save $581.82
    Altronix MAXIMAL11D 2 Power Supply/Charger with Access power - image 2
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    Altronix MAXIMAL11D

    Altronix MAXIMAL11D 2 Power Supply/Charger with Access power

    Dual 12/24VDC supply with 16 PTC relays for access control power

    • Two independent 3.5A outputs, selectable 12 or 24VDC per supply
    • 16 PTC relay outputs replace traditional fuses for circuit protection
    • 115VAC input, BC800 enclosure mount for security infrastructure
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    Altronix MAXIMAL11E Dual 12/24VDC 3.5A Power Supply (view 2)
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    Altronix MAXIMAL11E

    Altronix MAXIMAL11E Dual 12/24VDC 3.5A Power Supply

    Dual-channel 12/24VDC supply, 3.5A per output, 115VAC input

    • Independent regulated channels switch between 12VDC or 24VDC per output
    • 3.5A per channel supports dual-voltage camera and access control loads
    • BC800 DIN-rail mount with built-in protection circuitry for security panels
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  • Save $639.62
    Altronix MAXIMAL11F Dual-Channel Access Power Controller - image 2
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    Altronix MAXIMAL11F

    Altronix MAXIMAL11F Dual-Channel Access Power Controller

    Dual-channel 12/24VDC access controller with 16 relay outputs and battery backup

    • Two independent 3.5A channels (7A total) support mixed 12V and 24V devices
    • 16 fused Class 2 relay outputs for strike plates, mag locks, and control logic
    • Integrated battery charger and FAI supervision for emergency egress and fire protocol
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    Altronix MAXIMAL11FD Dual 7A Access Control Power Controller (view 2)
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    Altronix MAXIMAL11FD

    Altronix MAXIMAL11FD Dual 7A Access Control Power Controller

    Dual 7A power controller with 16 relay outputs for access control

    • Two independent 3.5A supplies selectable 12/24VDC for simultaneous feeds
    • 16 PTC-protected relay outputs with individual supervision and FAI cert
    • Integrated battery charger with LinQ2 network monitoring support
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    Altronix MAXIMAL11FE Dual-Output Power Supply 12/24VDC
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    Altronix MAXIMAL11FE

    Altronix MAXIMAL11FE Dual-Output Power Supply 12/24VDC

    Dual 12/24VDC outputs in one DIN-rail chassis for mixed-voltage systems

    • Independent 12VDC and 24VDC rails at 3.5A each, 12A aggregate capacity
    • 115VAC input in compact BC800 enclosure; field-expandable architecture
    • LinQ2-ready supervision; battery backup and FAI certification included
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    $1,315.38 $794.99 Save $520.39
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    Altronix MAXIMAL11K1 16-Output Fused Power Supply - image 3
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    Altronix MAXIMAL11K1

    Altronix MAXIMAL11K1 16-Output Fused Power Supply

    16-output fused power supply, 12/24VDC selectable for access control

    • 16 independently fused outputs isolate each device circuit and prevent cascade failures
    • Dual voltage modes: 12VDC@8A or 24VDC@6A to match mixed security device requirements
    • DIN rail or wall-mount installation fits standard security equipment racks
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    Altronix MAXIMAL13E Dual Output 12/24VDC Power Supply
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    Altronix MAXIMAL13E

    Altronix MAXIMAL13E Dual Output 12/24VDC Power Supply

    Dual-output 12/24VDC supply with independent voltage per channel

    • Selectable 12VDC or 24VDC on each output for mixed-voltage systems
    • 3.5A and 6A simultaneous outputs power access control and surveillance gear
    • Isolated channels prevent voltage conflicts in DIN rail or wall-mount setups
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    $1,189.35 $718.99 Save $470.36
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    Altronix MAXIMAL13EV Dual Output 24VDC Power Supply
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    Altronix MAXIMAL13EV

    Altronix MAXIMAL13EV Dual Output 24VDC Power Supply

    Dual 12/24VDC output supply for mixed-voltage security systems

    • Independent 12VDC @ 3.5A and 24VDC @ 6A outputs from single 220VAC input
    • Integrated dual power supply/changers deliver redundancy for continuous operation
    • Supports access control, cameras, and distributed surveillance loads simultaneously
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  • Save $524.33
    Altronix MAXIMAL13FE Dual Output 12/24VDC Power Supply
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    Altronix MAXIMAL13FE

    Altronix MAXIMAL13FE Dual Output 12/24VDC Power Supply

    Dual 12/24VDC supply with 6A capacity and battery backup ready

    • Independent 12VDC (3.5A) and 24VDC (6A) outputs from single 115VAC input
    • Expandable architecture grows without unit replacement or parallel installation
    • FAI supervision and LinQ2 compatible for integrated monitoring and diagnostics
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  • Save $402.50
    Altronix MAXIMAL1R controller rear panel connections and terminal block details
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    Altronix MAXIMAL1R

    Altronix MAXIMAL1R 16-Output Rack Mount Controller

    16-output rack mount controller with selectable 12/24VDC for access control

    • 16 independently fused relay outputs, 4A per channel for multi-door systems
    • Selectable 12VDC or 24VDC output from 115VAC input for flexible installation
    • Integrated battery charger for backup power on critical access points
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    Altronix MAXIMAL1RD 16-Output Access Power Controller - image 2
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    Altronix MAXIMAL1RD

    Altronix MAXIMAL1RD 16-Output Access Power Controller

    16-output 24VDC access controller with integrated battery backup

    • 16 independent PTC-protected relay outputs at 4A each for multi-door systems
    • Selectable 12/24VDC output with built-in charger and UPS functionality
    • 2U rackmount chassis powered by 115VAC single-phase input
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    Altronix MAXIMAL1RH 8-Output Relay Power Controller - image 2
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    Altronix MAXIMAL1RH

    Altronix MAXIMAL1RH 8-Output Relay Power Controller

    8-output relay controller with dual voltage and battery backup for access systems

    • 8 independently fused relay outputs with 12VDC and 24VDC at 4A each
    • Integrated battery charger eliminates separate PSU hardware in 2U rackmount
    • 115VAC input with dual-voltage support for mixed legacy and modern devices
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    Altronix MAXIMAL1RHD Rack Mount Access Power Controller. 4A@ - image 2
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    Altronix MAXIMAL1RHD

    Altronix MAXIMAL1RHD Rack Mount Access Power Controller. 4A@

    8-relay rackmount controller, 12/24VDC selectable, 4A per output

    • Eight independent PTC relay outputs for access control switching
    • Selectable 12/24VDC output voltage in compact 2U rackmount form
    • Battery backup maintains operation during 115VAC mains power loss
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  • Save $668.31
    Altronix MAXIMAL3 16-Output Access Power Controller
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    Altronix MAXIMAL3

    Altronix MAXIMAL3 16-Output Access Power Controller

    16-output access power controller with dual voltage and battery backup

    • 16 independently fused relay outputs at 12/24VDC selectable, 6A each
    • Integrated 115VAC supply with built-in battery charger eliminates external hardware
    • Compact BC800 steel enclosure mounts wall or surface for tight electrical spaces
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    Altronix MAXIMAL33 Dual Output Access Power Controller
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    Altronix MAXIMAL33

    Altronix MAXIMAL33 Dual Output Access Power Controller

    Dual 12V/24V access power controller with 16 relay outputs

    • Simultaneous 12VDC and 24VDC outputs at 6A each from single 115VAC input
    • 16 fused relay outputs for direct control of locks, readers, and devices
    • Integrated battery charger maintains power during outages for emergency egress
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  • Save $761.84
    Altronix MAXIMAL33D Dual 12/24VDC Access Power Controller
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    Altronix MAXIMAL33D

    Altronix MAXIMAL33D Dual 12/24VDC Access Power Controller

    Dual 12/24VDC power supply with 16 relay outputs for access control

    • Independent 6A supplies on each voltage rail for distributed lock/reader power
    • 16 PTC Class 2 relay outputs handle load switching with integrated protection
    • Converts 115VAC input in compact BC800 enclosure for cabinet or wall mounting
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  • Save $479.27
    Altronix MAXIMAL33E Dual Output 12/24VDC Power Supply - image 2
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    Altronix MAXIMAL33E

    Altronix MAXIMAL33E Dual Output 12/24VDC Power Supply

    Dual 12/24VDC supply with 6A per output and battery backup

    • Simultaneous 12VDC @ 6A and 24VDC @ 6A for mixed-voltage systems
    • Integrated battery charger for backup power in security deployments
    • BC800 enclosure with expandable architecture for future module growth
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    Altronix MAXIMAL33F Dual 12/24VDC Power Controller 16 Relay
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    Altronix MAXIMAL33F

    Altronix MAXIMAL33F Dual 12/24VDC Power Controller 16 Relay

    Dual 12/24VDC controller with 16 relay outputs for access & alarm

    • Two independent 6A channels power door locks, readers, and backup batteries
    • 16 fused relay outputs control strikes, magnets, and ancillary devices
    • FAI certified and LinQ2 ready for networked multi-site management
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    Altronix MAXIMAL33FD 16-Output Relay Power Controller (view 2)
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    Altronix MAXIMAL33FD

    Altronix MAXIMAL33FD 16-Output Relay Power Controller

    16-output relay controller with dual 12/24VDC supplies for access control

    • 16 PTC Class 2 supervised relay outputs eliminate external fuses
    • Dual independent 6A supplies at 12/24VDC run mixed-voltage devices
    • LinQ2 protocol with FAI integration for converged security systems
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    Altronix MAXIMAL33FE Dual Output Power Supply
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    Altronix MAXIMAL33FE

    Altronix MAXIMAL33FE Dual Output Power Supply

    Dual 12VDC/24VDC supply with 6A per output and battery backup support

    • Independent 12VDC and 24VDC outputs at 6A each from single 115VAC input
    • BC800 enclosure compatible for modular, expandable security deployments
    • LinQ2 ready supervision with integrated battery backup capability
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    Altronix MAXIMAL33RD Dual 12/24VDC Power Controller 16 Outputs - Image 2
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    Altronix MAXIMAL33RD

    Altronix MAXIMAL33RD Dual 12/24VDC Power Controller 16 Outputs

    Dual 12/24VDC power controller with 16 supervised outputs for mixed-voltage security gear

    • 16 PTC relay outputs isolate overloads per circuit without shutting down the entire unit
    • Dual isolated supplies deliver 6A each at 12VDC and 24VDC on separate rails
    • 2U rackmount design integrates into standard 19-inch security infrastructure cabinets
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    $1,375.04 $738.99 Save $636.05
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Power & UPS

Power is the foundation of every surveillance, access-control, and network system. Centralized, supervised, battery-backed power keeps cameras recording, doors locking, and switches forwarding during outages and surge events. Choose components sized for your load — recorder UPS, camera supplies, PoE midspans, surge protection — and your system runs through the events that take down unmanaged installations.

Plan a Reliable Power System

  • Sized power supplies — 12V or 24V DC sized to total device load plus 25% headroom for spin-up, aging, and expansion.
  • UPS & battery backup — runtime sized to your outage profile, with managed shutdown for NVRs and access controllers.
  • PoE budgets — 802.3af, at, and bt midspans/switches sized for total port load, not just per-port maximum.
  • Surge protection & grounding — at the building entrance and at outdoor camera locations exposed to lightning.
  • Distribution & redundancy — rack PDUs, DIN-rail supplies for industrial cabinets, and dual-source feeds for life-safety loads.

Shop by Category

UPS & Battery Backup
Rack-mount and tower UPS units sized to NVR, switch, and controller load — line-interactive and double-conversion topologies for clean recovery.
Power Supplies
12V DC and 24V DC supplies for camera and access-control panels — sized by current draw with 25% headroom for surge and expansion.
PoE Injectors & Midspans
802.3af, 802.3at, and 802.3bt midspans for legacy switches — 15W to 90W per port for PTZ cameras, displays, and high-power readers.
Rack Power Supplies
19-inch chassis with distributed outputs — PTC fused, supervised, and battery-backup ready for multi-camera or access-control deployments.
DIN Rail Power Supplies
Industrial DIN-rail supplies for control cabinets — wide-range AC input, redundant pairing, and temperature-rated for harsh environments.
Power Delivery & Supplies
Centralized distribution panels, surge protection, and grounding products for organized, code-compliant low-voltage installations.
Surge Protectors
Inline Ethernet, coax, and AC surge suppressors for outdoor cameras, antenna runs, and equipment-room protection — critical for rooftop and pole-mount installations.

Featured Brands

Altronix
Access-control and CCTV power — rack and wall enclosures, battery backup, and FACP-compatible supervised power.
Lifesafety Power
Networked supervised power for access control and fire — Mercury, LenelS2, and Genetec integrations.
NETGEAR
PoE+ and PoE++ switches and midspans with high port-count power budgets for camera and Wi-Fi deployments.
Ubiquiti
UniFi PoE switches with managed budget per port — strong fit for IT-managed surveillance VLANs.
Cradlepoint
Cellular failover routers with PoE and dual-SIM for branch-site continuity when WAN drops.
Transition Networks
Industrial PoE++ media converters and ruggedized switches for outdoor, transportation, and utility deployments.

Buyer FAQ

How do I size a UPS for my surveillance system?
Add up the wattage of every device on the UPS — recorder, switch, monitor, controller, and PoE budget for the cameras — then add 25% headroom for spin-up and aging. Multiply by your target runtime (typically 15–30 minutes for managed shutdown, 4–8 hours for site continuity) to pick a VA rating. Our team can review your bill of materials and recommend a model — submit details via the contact form.
What's the difference between PoE, PoE+, and PoE++?
PoE (802.3af) delivers up to 15.4W per port — fine for fixed-lens cameras and basic readers. PoE+ (802.3at) lifts that to 30W — covers PTZ heaters, IR illuminators, and most multi-sensor cameras. PoE++ (802.3bt Type 3/4) runs up to 60W or 90W per port for high-power thermal cameras, displays, and access-control controllers. Pick a switch or midspan whose total budget covers the sum of per-port loads, not just the per-port maximum.
Why use a midspan instead of a PoE switch?
When you have an existing non-PoE switch you want to keep, a midspan (PoE injector) adds power without replacing the switch. Midspans also help when you need to upgrade a few high-power ports (60W or 90W) without buying an entire 802.3bt switch.
Do I need surge protection on outdoor cameras?
Yes — outdoor Ethernet runs collect induced energy during nearby strikes even when the camera isn't directly hit. Inline PoE surge protectors at the camera (or at the building entry) clamp the spike and protect the recorder/switch. Critical for any pole-mount or rooftop deployment.
How do I plan power for an access-control system?
Each door typically needs 1–2A at 12V DC (controller + reader + lock + REX). Multiply by door count, then size a supervised power supply (Altronix, Lifesafety) with battery backup matched to UL 294 / NFPA 72 hold-up time for your jurisdiction. Our Senior Specialist team has working integrators who size these systems daily.

Need help sizing your system?

Our team includes working integrators who size camera-system power, PoE budgets, and access-control supplies daily. Send your bill of materials, recorder count, and target runtime — we'll recommend the right UPS, supply, and midspans before you order.

Talk to a Senior SpecialistAbout IP Security Depot

Quick links to guides

Datacenter UPS Sizing Guide
Size a datacenter UPS in kW vs kVA, profile load, pick N+1 or 2N redundancy, and plan for AI rack densities of 40-100+ kW. Vert...
UPS Topology: Online vs Line-Interactive vs Offline
Compare online double-conversion vs line-interactive vs standby UPS topology. Selection matrix by use case, true cost trade-off...
Rack PDU Buyer's Guide
Basic, metered, monitored, switched PDU - and when each one earns its place. Plug references, phase config, dual-cord, brand co...
PoE Power Budget Planning
Size your PoE switch for surveillance and access control. PoE class reference, camera-count-by-wattage table, worked deployment...
Battery Backup Runtime Calculator
Free UPS runtime calculator. Enter load, battery voltage and Ah, chemistry (VRLA / lithium), depth of discharge, temperature. G...