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.
Sub categories
Power Supplies
1027 items
PoE Injectors & Midspans
395 items
Power Delivery & Supplies
1639 items
Surge Protectors
12 items
UPS & Power Management
47 items
Showing Results for Power & UPS
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Add to Cart The item has been addedAxis
SKU: 5505-731
Axis 5505-731 DIN Rail 25W Power Supply
12V/2.1A DIN rail supply for distributed Axis camera and NVR systems
- 25W output powers multiple compact cameras or mid-range NVRs without PoE
- 35mm DIN rail mount fits standard cabinets; minimal depth, ready to install
- Wide AC input range operates globally without step-down converters
In stock · Ships same business day$129.00 $128.99 Save $0.01The item has been added -
Add to Cart The item has been addedAxis
SKU: 02172-004
Axis 02172-004 30W PoE+ Midspan Injector
30W PoE+ midspan injector for network devices without built-in power
- 56V DC, 30W output (IEEE 802.3at Type 2 Class 4) powers PTZ cameras
- Gigabit Ethernet passthrough on all four pairs; auto PoE detection
- Compact 30×46×140mm form factor; wall, shelf, or DIN rail mount
In stock · Ships same business day$84.00 $80.99 Save $3.01The item has been added -
i-PRO
SKU: WJ-PU201
i-PRO WJ-PU201 60W Single Port PoE Injector
60W single-port PoE injector for high-power networked devices
- 60W output over Gigabit Ethernet; powers devices rated 40W–60W
- IEEE 802.3bt compliant with 4-pair current sharing for safety
- Broken-wire detection and device recognition protect connected equipment
$329.28 $227.99 Save $101.29The item has been added -
Add to Cart The item has been addedAxis
SKU: 5500-001
Axis 5500-001 PoE++ Gigabit Splitter 60W
PoE++ splitter extracts 54W power & gigabit data from single ethernet
- Field-selectable 12V or 24V DC output at 4.5A or 2.25A respectively
- Gigabit RJ45 pass-through maintains full network speed with zero data loss
- Compact 38 x 73 x 130mm form factor fits tight equipment enclosures
In stock · Ships same business day$139.00 $134.99 Save $4.01The item has been added -
Add to Cart The item has been addedAxis
SKU: 5503-104
Axis T8007 24V DC Power Supply - 5503-104
24V DC power supply for Axis IP cameras and indoor surveillance gear
- 36W output at 1.5A — powers multiple fixed cameras or single high-draw device
- Desktop or wall-mount form factor fits cabinets and behind-camera enclosures
- Built for Axis network cameras, switches, and compatible surveillance equipment
In stock · Ships same business day$73.00 $72.99 Save $0.01The item has been added -
Add to Cart The item has been addedAxis
SKU: 5026-204
Axis T8120 15W Single-Port PoE Midspan Injector - 5026-204
Single-port PoE injector adds 15W power to non-PoE network runs
- 15W @ 48V DC (802.3af) powers IP cameras, VoIP phones, access points
- Gigabit passthrough (10/100/1000 Mbps) leaves data bandwidth untouched
- Plug-and-play auto-sensing with no configuration or IP setup required
In stock · Ships same business day$63.00 $60.99 Save $2.01The item has been added -
Axis
SKU: 5801-641
Axis T8061 Ethernet Surge Protector - 5801-641
10 kV surge protector for PoE cameras and Ethernet devices
- Clamps transient overvoltages up to 10 kV from lightning strikes
- IP66 rated for outdoor junction boxes and pole-mounted installations
- Compact inline form factor compatible with 802.3af/at/bt PoE standards
$119.00 $114.99 Save $4.01The item has been added -
Hanwha
SKU: SPO-6011
Hanwha SPO-6011 60W PoE Injector
60W PoE injector for PTZ cameras and power-hungry IP devices
- 55Vdc, 1100mA output exceeds 802.3bt Class 4 limits for demanding loads
- Dual power pin config (4/5 & 3/6) supports redundant delivery on long runs
- Gigabit RJ45 + SFP fiber pass-through preserves data bandwidth during injection
$365.00 $273.99 Save $91.01The item has been added -
Ubiquiti
SKU: U-POE+
Ubiquiti U-POE+ 30W PoE Injector Adapter
30W PoE+ injector for UniFi devices when switch capacity runs out
- Delivers 30W at 48V DC via 802.3at PoE+, powering most UniFi APs and cameras.
- Gigabit passthrough keeps full network throughput intact on the same cable run.
- Compact external form factor deploys without a PoE switch or DIN-rail hardware.
$15.00 $14.99 Save $0.01The item has been added -
Axis
SKU: 01468-001
Axis T8643 PoE+ Over Coax Media Converter - 01468-001
PoE+ over coax media converter for upgrading legacy cable systems
- Transmits PoE+ power and data over existing coaxial infrastructure
- Compact design mounts on wall or rack with plug-and-play setup
- Compatible with Axis network cameras and third-party PoE+ devices
$299.00 $289.99 Save $9.01The item has been added -
Ubiquiti
SKU: U-POE
Ubiquiti U-POE 15W Gigabit PoE Adapter
60W PoE++ injector with Gigabit passthrough for UniFi devices
- Delivers 15W 802.3af PoE to power Class 0–3 UniFi APs and cameras inline.
- Gigabit pass-through (10/100/1000 Mbps) keeps full network throughput intact.
- Single-port injector powers one device without consuming a managed switch port.
$8.00 $7.99 Save $0.01The item has been added -
Axis
SKU: 01677-001
Axis DIN PS24 480W Power Supply - 01677-001
480W DIN rail supply with dual 12/24 VDC for multi-camera systems
- 480W capacity powers multiple Axis IP cameras and NVRs simultaneously
- Dual voltage outputs (12 VDC and 24 VDC) eliminate need for converters
- DIN rail mount fits standard surveillance cabinet enclosures
$339.00 $328.99 Save $10.01The item has been added -
Axis
SKU: 02027-004
Axis TU8003 90W PoE Connectivity Midspan - 02027-004
90W PoE midspan injector for network video without built-in power
- 90W at 54V DC output with automatic PoE/High PoE detection
- Gigabit Ethernet (10/100/1000 Mbps) with dual shielded RJ45 ports
- Wall, shelf, or DIN rail mounting; operates -25°C to 35°C at full load
$319.00 $308.99 Save $10.01The item has been added -
Add to Cart The item has been addedHanwha
SKU: SPO-8315
Hanwha SPO-8315 83W PoE Injector
83W PoE injector for high-power IP cameras and PTZ systems
- 83W output at 55V DC powers demanding PTZ cameras over single cable
- Dual 120V/230V AC inputs for global installations without rewiring
- IEEE 802.3BT, 802.3AT, 802.3AF compatible for broad device support
In stock · Ships same business day$425.00 $318.99 Save $106.01The item has been added -
2N
SKU: 01435-001
2N SIP Audio Power Supply - 01435-001
Compact SIP audio power supply with universal 100-240V input and dual protection
- Adjustable voltage output adapts to various SIP devices without multiple SKUs
- Overload and overvoltage protection safeguards connected equipment from electrical faults
- Tiny 117×40×30mm footprint at 0.14kg fits tight wall-mount and panel installations
$79.00 $78.99 Save $0.01The item has been added -
Add to Cart The item has been addedAxis
SKU: 01489-001
Axis 01489-001 PoE+ Over Coax Media Converter
PoE+ over coax media converter extends power & data 500m on existing cable
- 25.5W IEEE 802.3at PoE+ output powers IP cameras without separate injectors
- 100 + 100 Mbps symmetrical data rate over 75Ω coaxial runs to 500m
- Plug-and-play auto-detection; compact 84×61.5×23mm form factor fits tight spaces
In stock · Ships same business day$579.00 $561.99 Save $17.01The item has been added