Power & UPS

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    Transition Networks 25079 24VDC Power Supply (view 3)

    Transition Networks 25079

    Transition Networks 25079 24VDC Power Supply

    24VDC DIN-rail power supply for industrial network cabinets

    • DIN-rail mount simplifies integration into industrial and telecom cabinet builds.
    • Supplies 24VDC to unmanaged 8-port Gigabit switches in multi-mode fiber deployments.
    • Lifetime warranty reduces long-term maintenance risk on critical network infrastructure.
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    Transition Networks 25104 48VDC 5A DIN Rail Power Supply
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    Transition Networks 25104

    Transition Networks 25104 48VDC 5A DIN Rail Power Supply

    48VDC 5A DIN rail supply for distributed network and PoE infrastructure

    • Delivers 48VDC at 5A (240W) to power PoE injectors or access point clusters.
    • Accepts 85–264VAC at 47–63 Hz, supporting single-SKU sparing across global sites.
    • DIN rail mount fits standard electrical enclosures; lifetime warranty backs field installs.
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    Transition Networks 25105 120W DIN Rail Power Supply (view 3)
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    Transition Networks 25105

    Transition Networks 25105 120W DIN Rail Power Supply

    48VDC 120W DIN rail supply for network & security infrastructure

    • Delivers stable 48VDC @ 2.5A output for switches, IP cameras, and access control nodes.
    • Universal 88–264V / 47–63 Hz AC input supports North American and international deployments.
    • DIN rail mount integrates into standard enclosures, eliminating bench-top power bricks.
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    Transition Networks 25130 Power Supply

    Transition Networks 25130

    Transition Networks 25130 Power Supply

    480W industrial power supply for Transition Networks hardened switches

    • 480W output sustains hardened switching platforms under full industrial load.
    • Wide 90–264V AC input handles unstable supply at remote or outdoor sites.
    • TAA compliant, qualifying it for federal and government procurement channels.
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    Transition Networks 25131 power supply terminal connections and specifications detail

    Transition Networks 25131

    Transition Networks 25131 48VDC 75W DIN Rail Power Supply

    48VDC 75W DIN rail power supply for industrial network infrastructure

    • Delivers regulated 48VDC at 75W capacity for DIN rail cabinet deployments.
    • DIN rail mount fits standard industrial and telecom panel installations.
    • Lifetime warranty reduces long-term replacement risk in critical infrastructure.
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    Transition Networks 25148 90W 48V Power Adapter

    Transition Networks 25148

    Transition Networks 25148 90W 48V Power Adapter

    90W 48V industrial adapter for Transition Networks infrastructure

    • 90W at 48V DC powers managed switches and media converters in demanding deployments.
    • Wide-range 90–264V AC input supports global facility power and unstable supply environments.
    • Industrial-grade construction with lifetime warranty suits rack, enclosure, and DIN-rail installs.
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    Transition Networks 25148-NA 90W 48V Power Adapter Level 6
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    Transition Networks 25148-NA

    Transition Networks 25148-NA 90W 48V Power Adapter Level 6

    90W 48V power adapter for Transition Networks Gigabit switches

    • Delivers 90W at 48V DC for reliable power to Gigabit switch deployments.
    • Keyed Level 6 connector prevents reverse-polarity errors during field installation.
    • Compatible with Transition Networks 24- and 48-port unmanaged Gigabit switches.
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    Transition Networks 25165 Meanwell HDR-30-12 Power Supply 12VDC - image 2

    Transition Networks 25165

    Transition Networks 25165 Meanwell HDR-30-12 Power Supply 12VDC

    12VDC industrial power supply, 24W, DIN-rail mount for network gear

    • Delivers regulated 12VDC at 2A (24W) across 85–264VAC input for global deployments.
    • DIN-rail mount fits confined telecom and security cabinets without additional hardware.
    • 5-year warranty and –40°C to +85°C storage rating suit demanding industrial environments.
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    Transition Networks ACC-520-0165-00 12W Power Adapter
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    Transition Networks ACC-520-0165-00

    Transition Networks ACC-520-0165-00 12W Power Adapter

    12W regulated 12V adapter for Transition Networks telecom gear

    • Delivers regulated 12V DC at 12W, preventing voltage sag on sensitive telecom gear.
    • Compact external form factor (3.7×4.4×2.3 in, 0.4 lbs) fits tight rack and enclosure installs.
    • Lifetime warranty covers long-term fixed deployments in telecom cabinets and security hubs.
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    Transition Networks IONPS-A-R1-NA 150W Redundant AC Power Supply
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    Transition Networks IONPS-A-R1-NA

    Transition Networks IONPS-A-R1-NA 150W Redundant AC Power Supply

    150W redundant AC supply with automatic failover for mission-critical networks

    • Automatic failover between parallel supplies eliminates single points of failure in 24/7 deployments.
    • 100–240V AC input at 47–63Hz supports both domestic and international facility power without adapters.
    • Lifetime warranty and TAA compliance reduce long-term procurement risk in government or regulated sites.
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    Transition Networks IONPS-D ION DC Power Supply

    Transition Networks IONPS-D

    Transition Networks IONPS-D ION DC Power Supply

    DC power supply for ION switches, DIN rail mount, industrial temp range

    • DC power supply for ION industrial switching platform deployments
    • Purpose-built for DIN rail install in field deployment cabinets
    • Industrial operating temperature range for harsh-environment use
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    Transition Networks IONPS-D-R1 -48VDC Power Supply Module

    Transition Networks IONPS-D-R1

    Transition Networks IONPS-D-R1 -48VDC Power Supply Module

    -48VDC redundant power module for ION platform carrier-grade networks

    • Redundant -48VDC output supports fault-tolerant, carrier-grade ION platform deployments.
    • Lifetime warranty reduces long-term replacement risk in critical infrastructure installations.
    • Operates 0°C–50°C; certified FCC Class A, CE, and EN 62368-1 for rack or DIN rail use.
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    Transition Networks IONPS6-A-NA AC Power Supply for ION 6-Slot

    Transition Networks IONPS6-A-NA

    Transition Networks IONPS6-A-NA AC Power Supply for ION 6-Slot

    Redundant AC power module for ION 6-slot chassis systems

    • Accepts 100–240V AC at 47–63 Hz for reliable deployment across global power grids.
    • Redundant power design reduces downtime risk in ION 6-slot chassis deployments.
    • Compatible with DIN-rail-mounted ION modules supporting up to 24 ports at 10G.
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    Transition Networks IONPS6-D DC Power Supply for ION 6-Slot Chassis

    Transition Networks IONPS6-D

    Transition Networks IONPS6-D DC Power Supply for ION 6-Slot Chassis

    Redundant DC power module for ION 6-slot 32-port 10G chassis

    • Redundant DC power input prevents chassis downtime during power failures or instability.
    • Industrial temperature rating ensures reliable operation in unheated or harsh enclosures.
    • DIN rail mounting simplifies installation in standard industrial automation cabinets.
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    Transition Networks SPS-2460-PS External Power Supply - image 3

    Transition Networks SPS-2460-PS

    Transition Networks SPS-2460-PS External Power Supply

    24–60V DC input adapter for network equipment in field installations

    • Accepts 24–60 VDC input, enabling deployment where AC mains power is unavailable.
    • DIN rail-compatible form factor simplifies installation inside network and field cabinets.
    • Lifetime warranty reduces long-term replacement risk in critical infrastructure deployments.
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    Transition Networks SPS-2460-SA External High Temp Power Supply

    Transition Networks SPS-2460-SA

    Transition Networks SPS-2460-SA External High Temp Power Supply

    3W external adapter for Transition Networks gear in high-temp sites

    • Operates in industrial high-temp environments with -40°C to 85°C storage range.
    • Accepts wide 24–60 VDC input, suiting DC-powered carrier and enterprise deployments.
    • Lifetime warranty and DIN rail support simplify long-term infrastructure installations.
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    Transition Networks SPS-UA12DHT-NA 18W Universal AC Power Adapter (view 3)
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    Transition Networks SPS-UA12DHT-NA

    Transition Networks SPS-UA12DHT-NA 18W Universal AC Power Adapter

    18W universal adapter with 90–264V input for global networking gear

    • Universal 90–264V AC input works across global sites without step-down transformers.
    • Stable +12VDC/18W output protects serial servers and media converters from voltage sag.
    • Lifetime warranty and compact 5.2×4.8×2.3 in footprint simplify long-term deployments.
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    Ubiquiti EP-54V-150W-AC 150W 54V DC Power Supply
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    Ubiquiti EP-54V-150W-AC

    Ubiquiti EP-54V-150W-AC 150W 54V DC Power Supply

    150W 54V DC supply for Ubiquiti EdgePoint routing infrastructure

    • Delivers 150W at 54V DC to power EdgePoint platforms plus auxiliary PoE devices.
    • Universal 100–240V AC input eliminates separate converters across mixed-voltage sites.
    • CE, FCC, and IC certified with ±24KV ESD protection for reliable edge deployments.
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    Ubiquiti EP-54V-150W-DC 150W 54VDC Power Supply

    Ubiquiti EP-54V-150W-DC

    Ubiquiti EP-54V-150W-DC 150W 54VDC Power Supply

    150W 54VDC regulated supply for Ubiquiti EdgePoint deployments

    • 150W 54VDC power supply for EdgePoint routers
    • Sufficient for multi-interface routing + switching
    • DC injector for outdoor power-pole installations
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    Ubiquiti ETH-SP-G2 surge protector compact design showing mounting bracket and cable connections

    Ubiquiti ETH-SP-G2

    Ubiquiti ETH-SP-G2 PoE Surge Protector

    Inline PoE surge protection for outdoor network devices

    • Inline PoE 802.3af passthrough adds surge protection without active power draw.
    • Rated for outdoor use across -30 to 65 °C, suitable for rooftop and exterior installs.
    • Dual RJ45 female connectors allow drop-in deployment on any existing PoE cable run.
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    Ubiquiti INS-3AF-I-G PoE Injector - Image 3
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    Ubiquiti INS-3AF-I-G

    Ubiquiti INS-3AF-I-G PoE Injector

    Compact 24V PoE converter for UniFi and airMAX indoor devices

    • Converts 802.3af input to 24V passive PoE output, powering UniFi and airMAX devices inline.
    • Dual Gigabit RJ45 ports pass full-speed traffic with no added switches or splitter hardware.
    • ±15kV ESD protection and NDAA compliance support safe hot-swap in federal and enterprise sites.
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    Ubiquiti INS-3AF-O-G PoE Injector
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    Ubiquiti INS-3AF-O-G

    Ubiquiti INS-3AF-O-G PoE Injector

    Outdoor PoE converter for Gigabit devices in remote installations

    • Delivers 13W 802.3af PoE over Gigabit Ethernet to remote outdoor endpoints.
    • Weatherproof outdoor enclosure installs pole- or wall-mounted without extra housing.
    • ±15kV ESD/surge protection guards against lightning transients on both data ports.
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    Ubiquiti INS-3AF-USB PoE Injector - Image 3
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    Ubiquiti INS-3AF-USB

    Ubiquiti INS-3AF-USB PoE Injector

    48V PoE to 5V USB converter for remote device power

    • Converts 802.3af 48V PoE to regulated 5V/2A USB, eliminating separate AC runs.
    • Draws only 0.26A at 48V input, preserving PoE budget in high-density switch deployments.
    • Rated ±8kV air / ±4kV contact ESD protection shields remote USB devices from transients.
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    Ubiquiti POE-15-12W 15 volt DC power adapter specifications and port closeup
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    Ubiquiti POE-15-12W

    Ubiquiti POE-15-12W PoE Adapter 15VDC 12W

    15VDC 12W PoE adapter for UniFi devices requiring non-standard voltage

    • Delivers 15VDC at 0.8A to UniFi devices incompatible with standard 48V PoE switches.
    • 12W continuous power budget suits low-draw UniFi APs and compact cameras without switch mods.
    • CE, FCC, IC, and UL certified; operates 0–40°C for reliable indoor deployment environments.
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    Ubiquiti POE-24-12W PoE Adapter
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    Ubiquiti POE-24-12W

    Ubiquiti POE-24-12W 24V Passive PoE Injector

    24V passive PoE injector for edge devices without active management

    • Delivers 24V DC at 12W to edge devices without replacing existing switch infrastructure.
    • Passive midspan design requires zero configuration, firmware, or management interface.
    • CE, FCC, IC, and UL certified; operates reliably from 0°C to 40°C (32–104°F).
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    Ubiquiti POE-24-12W-5P PoE injector showing input/output ports and cable connections
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    Ubiquiti POE-24-12W-5P

    Ubiquiti POE-24-12W-5P 24VDC PoE Adapter

    24VDC passive PoE injector, 12W per unit for edge devices

    • 24VDC 12W passive PoE injector adapter
    • Powers low-power UniFi endpoints over Ethernet
    • Skip dedicated PoE switch for single-device sites
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    Ubiquiti POE-24-12W-G PoE Adapter – 24VDC 12W Single Port - image 2

    Ubiquiti POE-24-12W-G

    Ubiquiti POE-24-12W-G PoE Adapter – 24VDC 12W Single Port

    24VDC 12W PoE adapter with 1GbE pass-through for single Ubiquiti devices

    • Delivers 24VDC at 12W to power single Ubiquiti APs or edge devices without oversubscription.
    • Single RJ-45 port passes full 1GbE throughput with no bandwidth penalty to the connected device.
    • CE, FCC, IC, and UL certified; operates 0–40°C for rack, wall, or edge-closet deployments.
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    Ubiquiti POE-24-12W-G-WH 24V PoE injector specifications and mounting bracket included

    Ubiquiti POE-24-12W-G-WH

    Ubiquiti POE-24-12W-G-WH 24V PoE Adapter

    24V passive PoE injector for Ubiquiti access points and cameras

    • Delivers 24V passive PoE at 12W, powering UniFi APs and compact cameras from a single injector.
    • External adapter form factor enables flexible placement in racks, wall mounts, or cable trays.
    • CE, FCC, IC, and UL certified; operates 0–40°C for standard indoor deployment environments.
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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...