PoE Injectors & Midspans

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  • Speco Technologies P4S5O - Speco Technologies P4S5O 5-Port IP65 PoE Switch (view 3)

    Speco Technologies

    SKU: P4S5O

    Speco Technologies P4S5O 5-Port IP65 PoE Switch

    IP65 outdoor PoE switch with 4 ports and sealed enclosure

    • IP65-rated sealed enclosure mounts directly on poles or walls without extra weatherproof housing.
    • Four 802.3af/at PoE ports power cameras, PTZ units, and access readers from a single device.
    • Dedicated uplink port ties back to NVR or core switch, eliminating extra cable runs per camera.
    $250.95 $138.99 Save $111.96
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  • Speco Technologies POEINJ60 60W PoE Injector (view 2)

    Speco Technologies

    SKU: POEINJ60

    Speco Technologies POEINJ60 60W PoE Injector

    60W midspan PoE injector for cameras and access control without switch upgrade

    • 60W power budget supports multiple PoE cameras or a single high-draw PTZ unit.
    • 802.3af and 802.3at (PoE+) compatibility covers standard and high-power endpoints.
    • Gigabit pass-through preserves full 1Gbps data throughput on input and output ports.
    $78.25 $77.99 Save $0.26
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  • Speco Technologies PSR4C 4 Amp Regulated 12VDC Power Supply with

    Speco Technologies

    SKU: PSR4C

    Speco Technologies PSR4C 4 Amp Regulated 12VDC Power Supply with

    12VDC 4-amp regulated power supply for security cameras and access control

    • Regulated 12VDC at 4A continuous output protects sensitive electronics from voltage swings.
    • Included cigarette lighter adapter enables rapid vehicle or temporary field deployment.
    • 2-year warranty and indoor-rated design suit fixed surveillance and access control installs.
    $56.60 $55.99 Save $0.61
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  • Speco Technologies PSW4 24VAC 50VA Power Supply
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    Speco Technologies

    SKU: PSW4

    Speco Technologies PSW4 24VAC 50VA Power Supply

    24VAC 50VA power supply for surveillance cameras and access control

    • Delivers regulated 24VAC at 50VA to power multiple cameras or door locks from one unit.
    • Compact 4×3×3 in form factor fits tight enclosures or wall-mount installations easily.
    • Compatible with analog, hybrid, and third-party 24VAC devices for flexible deployments.
    $62.15 $61.99 Save $0.16
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  • Ubiquiti INS-3AF-I-G PoE Injector - Image 3
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    Ubiquiti

    SKU: 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.
    $20.00 $19.99 Save $0.01
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  • Ubiquiti INS-3AF-O-G PoE Injector
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    Ubiquiti

    SKU: 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

    SKU: 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.
    $19.00 $16.99 Save $2.01
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  • Ubiquiti POE-15-12W 15 volt DC power adapter specifications and port closeup
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    Ubiquiti

    SKU: 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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PoE Injectors & Midspans

PoE injectors and midspans provide Power over Ethernet to devices such as IP cameras, intercoms, and access control hardware. These solutions are ideal when adding PoE to non-PoE switches or expanding power capacity in existing network deployments.

Plan Your Deployment

  • Power requirements (PoE, PoE+, PoE++, total wattage)
  • Number of devices and port capacity planning
  • Distance limitations and cable quality considerations
  • Integration with existing switches and infrastructure
  • Redundancy and long-term scalability needs

PoE Injectors & Midspans — Engineering-Grade PoE Power Delivery for Commercial Deployments

This category covers 294 working models of poe injectors & midspans 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

Match the PoE class to the device load. 802.3af delivers up to 15.4W at the source (12.95W at the device) and powers most fixed-lens cameras and access readers. 802.3at (PoE+) reaches 30W and supports motorized cameras, illuminators, and heated outdoor housings. 802.3bt (PoE++/4PPoE) goes to 60-90W for large PTZs, multi-imagers, and devices with integrated heaters and wipers.

Single-port injectors vs. midspan multiport units depends on the scale. A handful of cameras at fixed locations are economical with single-port injectors near the device. Sites with 16+ PoE devices benefit from a midspan (Microsemi PowerDsine, Phihong, Lantronix) that consolidates power management. PoE switches absorb the role for larger sites where unmanaged power is acceptable.

Cable length and conductor gauge affect deliverable power. 100 m of Cat5e at full 802.3bt load drops voltage enough that some devices report under-volt errors. For runs near the 100m limit, use Cat6 with all 4 pairs and confirm the injector's voltage-at-source spec. For longer-than-spec runs, PoE extenders (Veracity, Phybridge, ComNet) regenerate the signal mid-run.

Surge protection, grounding, and outdoor-rated housings matter for exterior PoE injectors. Lightning-induced surges destroy PoE-powered devices through the network cable as quickly as direct strikes. Inline ethernet surge protectors (Ditek, Transtector) at both ends of the run protect both the injector and the camera. Use Cat6A shielded for runs exiting the building, with proper grounding at the equipment rack.

Key Specs in This Category

SpecAvailable Options
ResolutionThermal, 6MP, 20MP+
IP RatingIP68, IP66
ConnectivityWired, Single-Mode Fiber, Multi-Mode Fiber, Wi-Fi, Ethernet over Coax, WiFi + Wired
PowerPoE+, PoE, PoE++, AC/DC, 24VAC, 12VDC
Channels8
TypePower Supply, Switch, PoE Adapter, PoE Injector, PoE Switch, Network Hub, PoE Device, Media Converter

Top Brands in This Category

Frequently Asked Questions

What's the difference between 802.3af, 802.3at, and 802.3bt?

802.3af (PoE) provides up to 15.4W at the source — standard for fixed cameras and access readers. 802.3at (PoE+) reaches 30W — for motorized cameras, illuminators, and small PTZs. 802.3bt (PoE++/4PPoE) reaches 60-90W (Type 3 and Type 4) — for multi-imager cameras, large outdoor PTZs, and devices with integrated heaters. Match the injector class to the device's PoE rating; over-spec'd injectors don't harm devices but cost more.

Can I run PoE on Cat5e or do I need Cat6?

Cat5e supports 802.3af and 802.3at to the full 100 m run length without issue. For 802.3bt at 60W+ over long runs, Cat6 with shielded conductors is more reliable — Cat5e can deliver but voltage drop approaches the limits of the spec. For new installs, Cat6 is the safe baseline; for retrofits over existing Cat5e, validate end-to-end voltage at the device after installation.

How far can PoE run?

The IEEE standard caps PoE at 100 m on copper. PoE extenders (Veracity Outreach, Phybridge UniPoE, ComNet PoE extenders) regenerate the signal at intermediate points and stretch the effective run to 300-1000 m depending on the product. For runs beyond 100 m on a single segment, fiber-to-the-camera with media converters is often cheaper than chained extenders.

Do I need a PoE injector if I already have a PoE switch?

If your PoE switch has sufficient per-port budget and total PoE budget for all connected devices, no — the switch handles power delivery. Injectors are needed when (a) the existing switch is non-PoE and replacing it isn't viable, (b) a single device needs higher PoE class than the switch supports, or (c) the device is placed far from the switch and a local injector with shorter run is preferable.

Will a PoE+ device work on a PoE switch port?

Only if the switch port delivers 802.3at (PoE+) or higher. A pure 802.3af port (15.4W max) cannot reliably power an 802.3at device that needs up to 30W — the device will fail to negotiate or will reset under load. Confirm the switch's per-port PoE class capability in its datasheet, not just the aggregate PoE budget. Many older switches are af-only despite total-budget numbers that suggest otherwise.

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