The Ubiquiti UniFi PoE Adapter (15W) – U-PoE is a dependable PoE power adapter that is made to provide power and a Gigabit network connection to devices that work with UniFi PoE. It is an option when you need to power a PoE device without depending on a PoE-enabled network switch.
With support for up to 15W of PoE power, a Gigabit Ethernet connection, and built-in protection against power surges and electrical issues, the U-PoE makes PoE installation easy for homes, offices, small businesses, and network setups.
The adapter takes 100–240V AC input. Gives 48V DC output at 0.32A. Its small size of 86 x 46 x 33 mm makes it simple to install where there is space. Ubiquiti also provides the power cable, so the adapter is ready to use out of the box.
Key Features
- Up to 15W PoE output for devices that work with UniFi PoE
- Gigabit Ethernet port for fast network connection
- Functions as a PoE injector or PoE power adapter when a PoE switch is not present
- 48V DC @ 0.32A output voltage
- Supports 100–240V AC, 50/60Hz input
- 2-pair PoE power using pins 4, 5 (+) and 7, 8 (-)
- Built-in surge and clamping protection
- Protection for both data and power connections
- Small and light design
- Power cable included
- NDAA compliant
- CE, FCC, IC, UL and CCC certified
- Product Specifications
Specification Details
- Brand Ubiquiti
- Product Name UniFi PoE Adapter (15W)
- Model U-PoE / U-PoE-af
- Product Type PoE Adapter / PoE Injector
- PoE Output Up to 15W
- Output Voltage 48V DC @ 0.32A
- Input Voltage 100–240V AC
- Input Frequency 50/60Hz
- Gigabit LAN Port Yes
- PoE Powering 2-pair
- Power Pins 4 5 (+) and 7, 8 (-)
- Data Connection RJ45 shielded socket
- AC Connector IEC-320 C6
- Power Cable Included
- Input Current 500mA
- Efficiency 84.25%+
- Switching Frequency 65 kHz
- Output Ripple 200mV p-p
- Line Regulation ≤ 3%
- Load Regulation ≤ 5%
- Surge Protection: differential and common mode
- Clamping Protection 11V data, 60V power
- Max. Surge Discharge 1500A (8/20 μs) power
- Peak Pulse Current 36A (10/1000 μs) data
- Response Time <1
- Operating Temperature 0 to 40°C
- Storage Temperature -30 to 70°C
- Operating Humidity 10–95% noncondensing
- Dimensions 86 x 46 x 33 mm
- Weight 100 g
- Certifications CE, FCC, IC, UL, CCC
- NDAA Compliant Yes
Specifications are based on Ubiquiti’s official product page and technical documentation.
What Does a PoE Adapter Do?
A Power over Ethernet (PoE) adapter allows compatible network equipment to get power through the Ethernet network connection.
The Ubiquiti U-PoE connects to an AC power source. Sends power to a compatible PoE device through an Ethernet cable. At the same time, it provides a Gigabit LAN connection, which helps make installations simpler when a PoE switch is not being used.
In words, instead of needing a separate power cable at the network device, the PoE adapter allows power and network connection to be delivered through the Ethernet connection.
Where Can You Use the Ubiquiti U-PoE?
The Ubiquiti UniFi PoE Adapter is helpful in networking setups where a compatible PoE device needs local power.
- Home Networks
Use the adapter to power compatible UniFi PoE networking devices in a home network without setting up a PoE switch.
- Offices
A choice for small office network setups where individual PoE devices need to be powered on their own.
- Small Businesses
Great for businesses that want a way to power compatible UniFi PoE equipment without moving to a PoE switch.
- Wi-Fi Network Installations
The adapter can be used with compatible UniFi PoE networking devices where the installation spot does not have a PoE-enabled switch.
- Network Upgrades
If an existing network switch does not support PoE, the U-PoE can provide a way to add PoE to a compatible device.
- Professional Network Installations
Its size, Gigabit Ethernet connection, protection features, and universal 100–240V AC input make it suitable for a variety of indoor networking setups.
Technical Knowledge – Why This PoE Adapter Is Useful
The U-PoE provides 48V DC at 0.32A with a PoE output of 15W. It uses 2-pair power through Ethernet pins 4 and 5, and 7 and 8. This makes it good for PoE devices that work within its power needs.
The adapter also has protection features that help protect the network equipment from electrical issues. Ubiquiti says there is 11V data and 60V power clamping protection along with differential and common-mode surge protection.
Its Gigabit LAN port allows the Ethernet connection to handle Gigabit networking, while the adapter delivers power to the PoE device.
Compact Size for Easy Installation
It is 86 x 46 x 33 mm in size and weighs around 100 g, so the U-PoE is small enough to fit easily into network cabinets, office areas, equipment spots, and other setups where space is tight.
The power cable is included, making the adapter easy to install out of the box.
Why Do You Need the Ubiquiti U-PoE?
If you have a UniFi PoE device but your current network switch does not offer PoE power, the Ubiquiti U-PoE PoE Adapter gives a simple answer.
Instead of replacing your existing switch with a PoE switch, you can use the U-PoE to power a compatible device while keeping a Gigabit Ethernet network connection.
Its small size, 15W PoE output, Gigabit Ethernet port, built-in protection, wide AC input range, and simple setup make it a good choice for people looking for a Ubiquiti PoE injector or UniFi PoE power adapter.

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